Medicare Enrolled
Dr. Sreenivasa Chandana, MD
Hematology & Oncology · Grand Rapids, MI
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
Speaking/Promotional
Very High
DATA COVERAGE
Data in 4 of 4 federal sources
Measures public federal data availability — not provider quality
Informational, not a quality rating.
This page presents federal public records about Dr. Chandana from CMS (NPPES, Open Payments, Medicare Provider Utilization, PECOS). It is not medical advice, an endorsement, or a judgment of clinical quality. Always consult the provider directly and a licensed clinician for medical decisions. Read methodology →
Are you Dr. Chandana?
Request a correction or review of any data shown here. Provider portal →
What this data tells you about Dr. Chandana
Dr. Sreenivasa Chandana is a hematology & oncology specialist in Grand Rapids, MI, with 19 years of NPI registration. Based on federal Medicare data, Dr. Chandana performed 46,063 Medicare services across 1,836 unique beneficiaries.
Between the years covered by Open Payments, Dr. Chandana received a total of $317,344 from 73 pharmaceutical and/or device companies across 649 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in hematology & oncology. The majority of payments are for speaking programs and promotional activities, reflecting participation in industry-sponsored events. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Chandana is Very High — reflecting how much public federal data is available about this provider. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.
✓ 19 years in practice
▲ Top 12% volume in MI
$317,344 industry payments
Medicare Practice Summary
Medicare Utilization ↗46,063
Medicare services
Top 12% in MI for hematology & oncology
1,836
Unique beneficiaries
$18
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
~2,424 Medicare services per year of practice
Top procedures by volume
Ranked by number of services performed for Medicare patients. Avg. submitted charge is what the provider billed; avg. Medicare payment is what CMS paid.
| Procedure | Volume | Avg. paid | Avg. submitted |
|---|---|---|---|
| Oxaliplatin chemotherapy injection This procedure involves the administration of oxaliplatin, a chemotherapy medication, via injection. The dosage specified is 0.5 mg. |
12,610 | $0 | $0 |
| Pembrolizumab injection (Keytruda) | 7,407 | $43 | $80 |
| Lanreotide injection, 1 mg A 1 mg injection of lanreotide medication administered into the body. |
6,960 | $44 | $103 |
| Anti-nausea injection (fosaprepitant) An injection of fosaprepitant, a medication used to prevent nausea and vomiting. |
6,600 | $0 | $3 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
1,783 | $0 | $1 |
| Anti-nausea injection (Aloxi/palonosetron) | 1,450 | $1 | $35 |
| Bortezomib injection, 0.1 mg Administration of a 0.1 mg dose of bortezomib medication via injection. |
945 | $3 | $70 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
845 | $2 | $4 |
| Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg | 749 | $3 | $29 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
746 | $8 | $15 |
| Complete blood count (CBC) with differential An automated laboratory test that measures the levels of red blood cells, white blood cells, and platelets in the blood, including a breakdown of the different types of white blood cells. |
731 | $8 | $26 |
| Comprehensive metabolic blood panel A blood test that measures a group of chemicals, including glucose, electrolytes, and kidney and liver function markers. |
702 | $10 | $35 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
460 | $11 | $34 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
430 | $92 | $292 |
| Office visit, established patient (30-39 min) A follow-up office visit for an existing patient lasting between 30 and 39 minutes. The visit involves medical evaluation and management of the patient's condition. |
318 | $95 | $189 |
| Injection, granisetron hydrochloride, 100 mcg | 310 | $0 | $1 |
| Injection, potassium chloride, per 2 meq | 310 | $0 | $0 |
| Pegfilgrastim-jmdb injection An injection of pegfilgrastim-jmdb, a biosimilar medication. The dose specified is 0.5 mg. |
205 | $98 | $551 |
| Magnesium level test A blood test to measure the amount of magnesium in your body. This helps check for magnesium deficiency or excess. |
188 | $7 | $23 |
| Magnesium sulfate injection, per 500 mg An injection of magnesium sulfate administered in 500 mg increments. |
170 | $1 | $1 |
| Hospital follow-up visit, high complexity Subsequent hospital inpatient or observation care for an existing patient involving high-level medical decision making, with at least 50 minutes total time on the date of the encounter. |
140 | $91 | $180 |
| Intravenous infusion of new drug or substance, 1 hour or less This procedure involves administering a new medication or substance directly into a vein through an existing access site. The infusion is completed within one hour or less. |
139 | $47 | $142 |
| Pegfilgrastim-apgf injection An injection of pegfilgrastim-apgf, a biosimilar medication. The dose specified is 0.5 mg. |
137 | $91 | $318 |
| Drug injection, under skin or into muscle A procedure involving the administration of a medication or substance via injection into the subcutaneous tissue or muscle. |
131 | $10 | $38 |
| CA 19-9 tumor antigen test A blood test that measures the level of CA 19-9, a substance that can be found in the blood of some people with cancer. This quantitative analysis detects and measures the specific tumor antigen. |
102 | $20 | $71 |
| Additional sequential IV infusion, 1 hour or less This code represents an additional intravenous infusion administered sequentially to a primary infusion. It covers the administration time of one hour or less. |
100 | $20 | $66 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
99 | $20 | $47 |
| Prolonged intravenous chemotherapy administration This procedure involves the administration of chemotherapy medication directly into a vein over an extended period. |
97 | $91 | $220 |
| Thyroid stimulating hormone (TSH) test A blood test that measures the level of thyroid stimulating hormone to evaluate thyroid function. |
95 | $16 | $57 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
80 | $14 | $41 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
69 | $52 | $123 |
| Zoledronic acid injection, 1 mg An injection of zoledronic acid administered at a dose of 1 mg. |
69 | $6 | $25 |
| Normal saline infusion, 1000 cc Administration of 1000 cc of normal saline solution into a vein. This procedure involves the intravenous delivery of a sterile saltwater solution. |
67 | $2 | $4 |
| Office visit, established patient, complex (40-54 min) An office or outpatient visit for an existing patient lasting between 40 and 54 minutes. This level of service is determined by the total time spent on the date of the encounter. |
65 | $133 | $264 |
| Additional hour of intravenous hydration This code represents each additional hour of intravenous fluid administration beyond the initial hour. It is used to bill for extended hydration therapy. |
61 | $9 | $26 |
| Enhanced Oncology Model monthly payment This code represents the monthly enhanced oncology services payment under the Enhancing Oncology Model. It covers the administrative payment for enhanced services provided to eligible patients. |
61 | $78 | $70 |
| Carcinoembryonic antigen (CEA) level test A blood test that measures the level of carcinoembryonic antigen (CEA) protein. This test is used to monitor certain types of cancer. |
59 | $19 | $65 |
| Intravenous infusion, 1 hour or less Administration of medication or fluid directly into a vein for therapeutic, preventive, or diagnostic purposes. The procedure lasts one hour or less. |
59 | $43 | $151 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
52 | $1 | $2 |
| Intravenous hydration infusion, 31-60 minutes Administration of fluids into a vein to maintain hydration. This procedure involves an infusion lasting between 31 and 60 minutes. |
49 | $24 | $84 |
| Office visit, established patient (20-29 min) An office visit for an existing patient lasting between 20 and 29 minutes. The visit involves medical evaluation and management of the patient's condition. |
46 | $65 | $133 |
| Initial hospital admission, high complexity Initial hospital inpatient or observation care for a new patient involving high-level medical decision making, with at least 75 minutes total time on the date of the encounter. |
42 | $130 | $304 |
| Adrenocorticotropic hormone (ACTH) level test A blood test that measures the amount of adrenocorticotropic hormone in your body. |
39 | $38 | $108 |
| Total cortisol level test A blood test that measures the total amount of cortisol hormone in your body. Cortisol is a hormone produced by the adrenal glands. |
39 | $16 | $46 |
| Unclassified drug A medication that does not fit into standard HCPCS or CPT classification categories. |
36 | $1 | $2 |
| Prothrombin time test (blood clotting) A laboratory test that measures how long it takes for blood to clot. This procedure evaluates the body's coagulation process. |
32 | $4 | $13 |
| New patient office visit, complex (60-74 min) | 31 | $157 | $324 |
| Lactate dehydrogenase (LDH) level test A blood test that measures the amount of lactate dehydrogenase, an enzyme found in many body tissues. It helps assess tissue damage or disease. |
30 | $6 | $20 |
| Intravenous chemotherapy injection Chemotherapy medication is administered directly into a vein using a push technique. This method involves injecting the drug through a needle or catheter already placed in the vein. |
20 | $74 | $240 |
| Hospital follow-up visit, moderate complexity Follow-up hospital visit for an existing patient involving moderate medical decision making. The visit requires at least 35 minutes of time spent on the date of service. |
17 | $61 | $126 |
| Hospital discharge management, 30+ min This service covers the care provided by a physician or qualified healthcare professional on the day a patient is discharged from the hospital. It requires more than 30 minutes of total time spent on the day of discharge. |
17 | $88 | $236 |
| Hepatitis B core antibody test A blood test that measures the level of antibodies to the hepatitis B core antigen. This test helps determine if a person has been infected with the hepatitis B virus. |
16 | $12 | $30 |
| Hepatitis B surface antibody test A blood test that measures the level of antibodies against the hepatitis B surface antigen. This test is used to check for immunity to hepatitis B or to verify the effectiveness of the hepatitis B vaccine. |
16 | $11 | $27 |
| Hepatitis B surface antigen test A blood test that uses an immunoassay technique to detect the presence of the hepatitis B surface antigen. This test identifies whether the hepatitis B virus is currently present in the body. |
16 | $10 | $26 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
16 | $26 | $83 |
How to read this data: This reflects Medicare patients only (typically 65+). Payment amounts are what Medicare paid the provider, not your out-of-pocket cost. A higher procedure volume generally indicates more experience with that procedure.
2.0% high complexity
90.1% medium
7.9% routine
Industry Payment Transparency
Open Payments through 2024 ↗$317,344
Total received (2018-2024)
Avg $45,335/year across 7 years
Top 1% in MI for hematology & oncology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
73
Companies
649
Individual payments
All payments are legal and publicly reported · Not evidence of wrongdoing · How to interpret →
Payment profile
Industry payments classified by relationship type. Not all payments are equal — research and consulting reflect different relationships than speaking programs or meals.
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$193,621 (61.0%)
Consulting
Expert advisory fees, typically reflecting recognized clinical expertise
$113,160 (35.7%)
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$10,563 (3.3%)
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$33,212
2023
$5,607
2022
$49,256
2021
$37,425
2020
$51,000
2019
$103,202
2018
$37,642
Payments by company (2024)
Consulting
Speaking
Meals & Travel
Research
Ipsen Biopharmaceuticals, Inc
$21,471
Eisai Inc.
$4,355
SpringWorks Therapeutics, Inc.
$2,700
E.R. Squibb & Sons, L.L.C.
$1,705
BeiGene USA, Inc.
$1,625
Amgen Inc.
$182
Exelixis Inc.
$174
PFIZER INC.
$157
Janssen Biotech, Inc.
$126
Merck Sharp & Dohme LLC
$102
AstraZeneca Pharmaceuticals LP
$97
Celgene Corporation
$76
ABBVIE INC.
$62
Regeneron Healthcare Solutions, Inc.
$62
ARRAY BIOPHARMA INC
$51
Novartis Pharmaceuticals Corporation
$39
Mirati Therapeutics, Inc.
$36
GENZYME CORPORATION
$35
Alexion Pharmaceuticals, Inc.
$35
Deciphera Pharmaceuticals Inc.
$26
PROGENICS PHARMACEUTICALS, INC.
$25
Agios Pharmaceuticals, Inc.
$24
Incyte Corporation
$19
Astellas Pharma US Inc
$15
Aveo Pharmaceuticals, Inc.
$14
Top 3 companies account for 85.9% of 2024 payments
All-time payments by company (2018-2024) ›
Ipsen Biopharmaceuticals, Inc
$84,374
Janssen Biotech, Inc.
$37,793
E.R. Squibb & Sons, L.L.C.
$32,847
EISAI INC.
$29,871
Merck Sharp & Dohme LLC
$20,518
AstraZeneca Pharmaceuticals LP
$19,660
Amgen Inc.
$17,014
Lilly USA, LLC
$12,279
EMD Serono, Inc.
$8,743
Seattle Genetics, Inc.
$7,036
Eisai Inc.
$5,785
Novartis Pharmaceuticals Corporation
$4,382
Lexicon Pharmaceuticals, Inc.
$4,184
Taiho Oncology, Inc.
$4,034
Seagen Inc.
$3,309
SpringWorks Therapeutics, Inc.
$2,700
Blueprint Medicines Corporation
$2,268
Bayer HealthCare Pharmaceuticals Inc.
$2,122
Heron Therapeutics, Inc.
$2,050
PFIZER INC.
$1,784
Exelixis Inc.
$1,681
Deciphera Pharmaceuticals Inc.
$1,655
BeiGene USA, Inc.
$1,625
Gilead Sciences, Inc.
$1,586
Merck Sharp & Dohme Corporation
$1,553
Daiichi Sankyo Inc.
$1,484
Genentech USA, Inc.
$745
Foundation Medicine, Inc.
$559
Takeda Pharmaceuticals U.S.A., Inc.
$306
ARRAY BIOPHARMA INC
$295
Novocure Inc.
$266
Celgene Corporation
$254
Regeneron Healthcare Solutions, Inc.
$225
Pharmacyclics LLC, An AbbVie Company
$221
Agios Pharmaceuticals, Inc.
$218
Astellas Pharma US Inc
$192
SERVIER PHARMACEUTICALS LLC
$179
Sirtex Medical Inc
$141
Pharmacyclics LLC, an AbbVie Company
$133
Alexion Pharmaceuticals, Inc.
$123
AMAG Pharmaceuticals, Inc.
$118
Janssen Scientific Affairs, LLC
$115
GENZYME CORPORATION
$99
ABBVIE INC.
$97
GlaxoSmithKline, LLC.
$49
Myovant Sciences Inc.
$48
Genentech, Inc.
$46
Rigel Pharmaceuticals, Inc.
$43
Mirati Therapeutics, Inc.
$36
AbbVie Inc.
$35
Boehringer Ingelheim Pharmaceuticals, Inc.
$35
TAIHO ONCOLOGY, INC.
$34
JAZZ PHARMACEUTICALS INC.
$34
Incyte Corporation
$30
PROGENICS PHARMACEUTICALS, INC.
$25
Stemline Therapeutics Inc.
$24
AbbVie, Inc.
$24
Alnylam Pharmaceuticals Inc.
$23
TESARO, Inc.
$23
ADC Therapeutics America, Inc.
$20
Genmab U.S., Inc.
$19
Emmaus Medical, Inc.
$18
TerSera Therapeutics LLC
$18
Sumitomo Pharma America, Inc.
$16
Jazz Pharmaceuticals Inc.
$15
Novo Nordisk Inc
$14
TG Therapeutics, Inc.
$14
AVEO Pharmaceuticals, Inc.
$14
Aveo Pharmaceuticals, Inc.
$14
MorphoSys, US Inc.
$14
Puma Biotechnology, Inc.
$13
Karyopharm Therapeutics Inc.
$12
Verastem, Inc.
$11
Top 3 companies account for 48.8% of all-time payments
Associated products mentioned in payments ›
ADCETRIS · AFINITOR · Abraxane · Alecensa · Aliqopa · Avastin · BLENREP · BOSULIF · BRAFTOVI · Balversa · Bavencio · CABOMETYX · CALQUENCE · CINVANTI · CYRAMZA · Cabometyx · Copiktra · DARZALEX · ELIQUIS · ELITEK · ELZONRIS · EMPLICITI · ENHERTU · ENJAYMO · EPKINLY · ERBITUX · ERLEADA · Endari · Enhertu · Epkinly · Erleada · FASLODEX · FERAHEME · FOTIVDA · FOUNDATIONONE · GAVRETO · GAZYVA · GILOTRIF · GIVLAARI · IBRANCE · IDHIFA · IMBRUVICA · IMDELLTRA (AMG 757) · IMFINZI · INLYTA · Imbruvica · JAKAFI · JEVTANA · KANJINTI · KEYTRUDA · KISQALI · KRAZATI · LENVIMA · LIBTAYO · LIBTAYO CEMIPLIMAB-RWLC INJECTION · LONSURF · LORBRENA · LUMAKRAS · LUTATHERA · LYNPARZA · Lenvima · Lonsurf · MEKINIST · MONJUVI · MYLOTARG · NINLARO · Nerlynx · Neulasta · NovoSeven RT · Nubeqa · OGSIVEO · ONIVYDE · OPDIVO · ORGOVYX · Onivyde · PADCEV · PLUVICTO · PROMACTA · PYLARIFY · Padcev · Pomalyst · QINLOCK · REBLOZYL · RYBREVANT · Revlimid · Rezlidhia · Rituxan Hycela · SANDOSTATIN · SANDOSTATIN LAR · SARCLISA · SIR-Spheres Microspheres · SOMATULINE DEPOT · SUTENT · Somatuline Depot · Stivarga · TAGRISSO · TAS-102 · TECENTRIQ · TEVIMBRA · TIBSOVO · TUKYSA · Tavalisse · Tazverik · Tibsovo · Trodelvy · UKONIQ · ULTOMIRIS · VENCLEXTA · VERZENIO · VOTRIENT · Vectibix · Venclexta · Vitrakvi · XALKORI · XPOVIO · XTANDI · Xermelo · ZEJULA · ZEPZELCA · Zydelig
Should you be concerned? Payments from pharmaceutical and device companies are legal and common — 57% of U.S. physicians receive at least one. They often reflect legitimate consulting, research, or education. What matters is whether a recommended drug or device appears in your doctor's payment records. If so, consider asking your doctor about it. How to interpret this data →
The majority of payments (61%) are for speaking programs and promotional activities, which reflect participation in industry-sponsored educational or marketing events. This is common in hematology & oncology and does not inherently indicate bias, but patients may wish to be aware. Total industry engagement is in the top 1% for hematology & oncology in MI.
Geographic Context
Hematology & oncology specialists within 10 mi
23
Per 100K population
3.5
County median income
$80,390
Nearest hospital
SPECTRUM HEALTH
0.0 mi
0.0 mi
Data Sources
| Provider Registry | ✓ NPPES | Weekly updates |
| Medicare Enrollment | ✓ PECOS | Monthly updates |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not public | N/A |
This provider has data in 4 of 4 available federal datasets, with a Data Coverage level of Very High. This reflects how much public data is available about a provider. How we calculate this →
Summary
Dr. Chandana is a mixed practice specialist, with above-average Medicare volume (top 12% in MI), with speaking/promotional industry engagement in the top 1% of MI peers, with 19 years of NPI registration.
This summary is auto-generated from federal data, describing data availability and patterns. Read our methodology →
Frequently Asked Questions
Is Dr. Chandana experienced with oxaliplatin chemotherapy injection?
Based on Medicare claims data, Dr. Chandana performed 12,610 oxaliplatin chemotherapy injection services. Research suggests that higher procedure volume is often associated with better outcomes, particularly for complex procedures. Note that Medicare data only captures patients aged 65 and older, so the total practice volume across all patients is likely higher.
Does Dr. Chandana receive payments from pharmaceutical companies?
Yes. Dr. Chandana received a total of $317,344 from 73 companies across 649 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common among physicians — 57% of all U.S. physicians receive at least one industry payment. Patients may wish to ask their doctor about these relationships, especially if a recommended drug or device appears in the payment records.
How do Dr. Chandana's costs compare to other hematology & oncology specialists in Grand Rapids?
Dr. Chandana's average Medicare payment per service is $18. Note that these figures represent what Medicare pays, not your out-of-pocket cost, which depends on your specific insurance plan and deductible. Procedure-level data above shows both what was submitted and what Medicare paid for each service type.
What does Data Coverage mean?
Data Coverage (currently Very High for Dr. Chandana) measures how much public federal data is available about a provider. It is not a quality rating. A "Very High" or "High" level means the provider has data across multiple federal sources (NPPES, PECOS, Medicare Utilization, Open Payments), indicating a long track record of practice, Medicare participation, and industry disclosure. A "Low" or "Moderate" level may simply mean the provider is newer, does not see Medicare patients, or has not received any industry payments — none of which are inherently negative. Read our full methodology →
Is this data up to date?
Each data source has its own update cycle. Provider registry data (NPPES) is updated weekly. Medicare enrollment (PECOS) is updated monthly. Medicare practice data has a ~2 year lag — the most recent available is typically 2 years prior. Industry payment data (Open Payments) is published annually, usually in June, covering the prior calendar year. We display the data date prominently on each section so you always know how current it is. See our data freshness policy →
Explore related providers
Same specialty & city
Hematology & Oncology Specialists in Grand Rapids
Browse hematology & oncology specialists in Grand Rapids ranked by procedure volume and transparency data.
Highest volume
Top Hematology & Oncology Specialists in MI
Hematology & oncology specialists ranked by total Medicare services performed statewide.
Industry payments
Pharma Payments to Hematology & Oncology Specialists in MI
Which MI hematology & oncology specialists receive the most from drug and device companies.
By company
Ipsen Biopharmaceuticals, Inc Payments to Doctors
See all physicians who received payments from Ipsen Biopharmaceuticals, Inc.
By company
Janssen Biotech, Inc. Payments to Doctors
See all physicians who received payments from Janssen Biotech, Inc.
By company
E.R. Squibb & Sons, L.L.C. Payments to Doctors
See all physicians who received payments from E.R. Squibb & Sons, L.L.C.
About this page
All data on this page is sourced verbatim from public federal records published by the U.S. Centers for Medicare & Medicaid Services (CMS): NPPES ↗, Open Payments ↗, Medicare Provider Utilization ↗, and PECOS. Publication is mandated by the Physician Payments Sunshine Act (§6002 ACA, 42 U.S.C. §1320a-7h) and the Freedom of Information Act.
This page is not medical advice, an endorsement, a recommendation, or a quality rating. Data Coverage reflects data completeness — how much federal information exists for this provider — not clinical performance, patient outcomes, or quality of care. Always verify information directly with the provider and consult a licensed clinician before making medical decisions.
Provider corrections: Provider portal · Privacy questions: Privacy Policy · Terms: Terms of Use · Methodology: Methodology