Medicare Enrolled
Dr. John Eklund, MD
Hematology & Oncology · Niles, IL
Practice pattern: Mixed Practice
— Diverse clinical practice across multiple procedure types
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. Eklund 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 →
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What this data tells you about Dr. Eklund
Dr. John Eklund is a hematology & oncology specialist in Niles, IL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Eklund performed 91,601 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Eklund received a total of $16,548 from 93 pharmaceutical and/or device companies across 803 payment records. A record can group multiple payments. These transfers are publicly reported through CMS Open Payments. Disclosure alone does not establish their effect on care. A reliable breakdown by payment category is not available in this snapshot. Patients may wish to discuss these relationships with their provider.
The Data Coverage level for Dr. Eklund 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.
✓ 20 years of NPI registration
▲ Top 12% volume in IL
$16,548 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗91,601
Medicare services
Top 12% in IL for hematology & oncology
Not available
Unique patients (not deduplicated)
$14
Avg. Medicare payment
Medicare patients only (65+ / disabled) · How to read this →
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 |
|---|---|---|---|
| Darbepoetin injection (Aranesp) for anemia An injection of darbepoetin alfa used for non-end-stage renal disease purposes. |
26,205 | $2 | $20 |
| Daratumumab injection (Darzalex) An injection containing daratumumab and hyaluronidase-fihj administered under the skin. |
23,220 | $38 | $127 |
| Iron infusion (Feraheme) An injection of ferumoxytol used to treat iron deficiency anemia in patients not on dialysis. |
16,830 | $0 | $5 |
| Anti-nausea injection (fosaprepitant) An injection of fosaprepitant, a medication used to prevent nausea and vomiting. |
11,550 | $0 | $6 |
| Contrast dye for imaging (iodine-based) A contrast agent containing 300-399 mg/ml of iodine used to enhance imaging studies. It is administered per milliliter to improve the visibility of internal structures. |
4,001 | $0 | $3 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
1,805 | $0 | $1 |
| Anti-nausea injection (Aloxi/palonosetron) | 1,570 | $1 | $114 |
| Injection, granisetron hydrochloride, 100 mcg | 840 | $0 | $24 |
| Injection, leucovorin calcium, per 50 mg | 816 | $3 | $25 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
590 | $2 | $13 |
| 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. |
486 | $68 | $168 |
| 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. |
441 | $101 | $231 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
419 | $12 | $105 |
| 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. |
334 | $99 | $232 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
251 | $106 | $686 |
| Zoledronic acid injection, 1 mg An injection of zoledronic acid administered at a dose of 1 mg. |
205 | $6 | $431 |
| 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. |
192 | $11 | $93 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
177 | $59 | $205 |
| 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. |
169 | $22 | $152 |
| 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. |
128 | $71 | $70 |
| 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. |
108 | $49 | $304 |
| 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. |
99 | $2 | $19 |
| 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. |
96 | $10 | $73 |
| 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. |
91 | $145 | $325 |
| 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. |
75 | $26 | $249 |
| Concurrent intravenous infusion Administration of medication or fluid into a vein for therapy, prevention, or diagnosis while another infusion is being given. |
74 | $16 | $91 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
70 | $31 | $240 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
70 | $23 | $156 |
| IV chemotherapy initiation with community continuation Initiation of an intravenous chemotherapy infusion in a clinic using clinic supplies, with continuation of the infusion in a community setting such as home or assisted living. |
68 | $213 | $1,726 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
67 | $1 | $7 |
| 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. |
66 | $54 | $334 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
58 | $19 | $72 |
| Fluorodeoxyglucose f-18 fdg, diagnostic, per study dose, up to 45 millicuries | 43 | $396 | $1,200 |
| Normal saline infusion, 500 ml Administration of sterile normal saline solution through an intravenous line. This procedure involves the infusion of a 500 ml unit of the solution. |
41 | $1 | $19 |
| Nuclear medicine scan from skull base to mid-thigh with CT A nuclear medicine imaging study covering the area from the base of the skull to the middle of the thighs, performed alongside a CT scan. |
39 | $1,159 | $3,631 |
| Office visit, established patient (10-19 min) An office visit for an existing patient lasting 10 to 19 minutes. The visit involves medical evaluation and management of the patient's condition. |
38 | $41 | $105 |
| CT scan of chest with contrast A computed tomography scan of the chest using a contrast dye to enhance the visibility of internal structures. |
37 | $44 | $797 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
37 | $16 | $97 |
| CT scan of abdomen and pelvis with contrast A CT scan that uses dye to create detailed images of the abdomen and pelvis. This imaging test helps doctors examine internal organs and structures in these areas. |
34 | $159 | $1,036 |
| New patient office visit, complex (60-74 min) | 34 | $169 | $432 |
| 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. |
32 | $66 | $157 |
| Intravenous push injection of new drug or substance A healthcare provider injects a new medication or substance directly into a vein using a push technique. |
28 | $46 | $281 |
| 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. |
22 | $142 | $412 |
| Flu vaccine, high-dose High-dose seasonal influenza vaccine for adults aged 65 and older. Contains four times the antigen of standard-dose flu vaccines (60 mcg per strain), split-virus formulation, preservative-free, single-dose syringe. |
17 | $72 | $174 |
| Flu vaccine administration This procedure involves the administration of the influenza virus vaccine. It covers the process of delivering the vaccine to the patient. |
17 | $32 | $56 |
| New patient office visit (45-59 min) An initial office visit for a new patient lasting between 45 and 59 minutes. This code covers the total time spent by the physician or qualified healthcare professional on the date of the encounter. |
11 | $124 | $343 |
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. These counts do not measure clinical quality or years of experience.
19.4% high complexity
78.6% medium
2.0% routine
Industry Payment Transparency
Open Payments through 2024 ↗$16,548
Total received (2018-2024)
Avg $2,364/year across 7 years
Top 23% in IL for hematology & oncology
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
93
Companies
803
Payment records
Payments are publicly reported; disclosure does not establish legality · Not evidence of wrongdoing · How to interpret →
Payment categories are unavailable while the source breakdown is being rebuilt. Company and year totals do not identify how much belongs to each category.
Payment trend by year
Annual totals from pharmaceutical and medical device companies.
2024
$2,827
2023
$3,561
2022
$3,251
2021
$1,491
2020
$801
2019
$2,673
2018
$1,945
Payments by company (2024)
PFIZER INC.
$264
Novartis Pharmaceuticals Corporation
$256
Janssen Biotech, Inc.
$151
Gilead Sciences, Inc.
$133
Octapharma USA, Inc.
$127
Eisai Inc.
$123
AstraZeneca Pharmaceuticals LP
$119
E.R. Squibb & Sons, L.L.C.
$105
Celgene Corporation
$91
Genentech USA, Inc.
$90
Regeneron Healthcare Solutions, Inc.
$67
Astellas Pharma US Inc
$67
Incyte Corporation
$65
Daiichi Sankyo Inc.
$65
ABBVIE INC.
$63
BeiGene USA, Inc.
$61
ARRAY BIOPHARMA INC
$56
PharmaEssentia USA Corporation
$56
Bayer Healthcare Pharmaceuticals Inc.
$51
Agios Pharmaceuticals, Inc.
$50
Pharmacosmos Therapeutics Inc.
$49
Amneal Pharmaceuticals LLC
$49
SERVIER PHARMACEUTICALS LLC
$49
Takeda Pharmaceuticals U.S.A., Inc.
$48
Alexion Pharmaceuticals, Inc.
$47
Merck Sharp & Dohme LLC
$45
Fennec Pharmaceuticals, Inc.
$42
Aveo Pharmaceuticals, Inc.
$38
TerSera Therapeutics LLC
$36
SUN PHARMACEUTICAL INDUSTRIES INC.
$36
Dendreon Pharmaceuticals LLC
$32
Lilly USA, LLC
$30
Deciphera Pharmaceuticals Inc.
$25
Exelixis Inc.
$25
Genmab U.S., Inc.
$23
Blueprint Medicines Corporation
$23
Mirati Therapeutics, Inc.
$23
Adaptive Biotechnologies Corporation
$20
Epizyme, Inc.
$20
EMD Serono, Inc.
$19
Azurity Pharmaceuticals, Inc.
$19
SOBI, INC
$19
Kyowa Kirin, Inc.
$19
ADC Therapeutics America, Inc.
$17
Spectrum Pharmaceuticals Inc.
$14
Top 3 companies account for 23.7% of 2024 payments
All-time payments by company (2018-2024) ›
Novartis Pharmaceuticals Corporation
$1,579
Amgen Inc.
$827
PFIZER INC.
$767
AstraZeneca Pharmaceuticals LP
$704
Genentech USA, Inc.
$669
Janssen Biotech, Inc.
$614
Merck Sharp & Dohme Corporation
$539
Celgene Corporation
$538
Takeda Pharmaceuticals U.S.A., Inc.
$494
Octapharma USA, Inc.
$480
Incyte Corporation
$467
Seagen Inc.
$434
Astellas Pharma US Inc
$414
E.R. Squibb & Sons, L.L.C.
$399
Pharmacyclics LLC, An AbbVie Company
$393
Eisai Inc.
$392
GENZYME CORPORATION
$386
Regeneron Healthcare Solutions, Inc.
$322
Merck Sharp & Dohme LLC
$302
Lilly USA, LLC
$293
Gilead Sciences, Inc.
$286
Bayer HealthCare Pharmaceuticals Inc.
$211
ABBVIE INC.
$199
JAZZ PHARMACEUTICALS INC.
$198
ADC Therapeutics America, Inc.
$193
Daiichi Sankyo Inc.
$187
Karyopharm Therapeutics Inc.
$182
EMD Serono, Inc.
$159
BeiGene USA, Inc.
$157
PharmaEssentia USA Corporation
$151
Ipsen Biopharmaceuticals, Inc
$150
SERVIER PHARMACEUTICALS LLC
$144
Deciphera Pharmaceuticals Inc.
$141
Janssen Pharmaceuticals, Inc
$140
Exelixis Inc.
$140
G1 Therapeutics, Inc.
$135
EISAI INC.
$134
Bayer Healthcare Pharmaceuticals Inc.
$125
Alexion Pharmaceuticals, Inc.
$121
AbbVie, Inc.
$120
TESARO, Inc.
$109
Agios Pharmaceuticals, Inc.
$107
TerSera Therapeutics LLC
$107
Seattle Genetics, Inc.
$101
Genmab U.S., Inc.
$84
Kite Pharma, Inc.
$80
ARRAY BIOPHARMA INC
$74
Boehringer Ingelheim Pharmaceuticals, Inc.
$71
Pharmacyclics LLC, an AbbVie Company
$70
GlaxoSmithKline, LLC.
$66
MorphoSys, US Inc.
$62
SOBI, INC
$54
Spectrum Pharmaceuticals Inc.
$52
Pharmacosmos Therapeutics Inc.
$49
Amneal Pharmaceuticals LLC
$49
Blueprint Medicines Corporation
$49
Stemline Therapeutics Inc.
$48
Verastem, Inc.
$46
EUSA Pharma (US) LLC
$45
Mirati Therapeutics, Inc.
$44
Mylan Institutional Inc.
$43
Fennec Pharmaceuticals, Inc.
$42
Lexicon Pharmaceuticals, Inc.
$42
Taiho Oncology, Inc.
$41
AbbVie Inc.
$40
Epizyme, Inc.
$40
Teva Pharmaceuticals USA, Inc.
$39
Foundation Medicine, Inc.
$39
Aveo Pharmaceuticals, Inc.
$38
Servier Pharmaceuticals LLC
$37
Dova Pharmaceuticals
$36
SUN PHARMACEUTICAL INDUSTRIES INC.
$36
Rigel Pharmaceuticals, Inc.
$35
Dendreon Pharmaceuticals LLC
$32
Emmaus Medical, Inc.
$26
TAIHO ONCOLOGY, INC.
$23
Global Blood Therapeutics, Inc.
$23
Array BioPharma Inc.
$23
PUMA BIOTECHNOLOGY, INC.
$22
Blue Earth Diagnostics Limited
$22
Clovis Oncology, Inc.
$22
MACROGENICS, INC.
$21
Adaptive Biotechnologies Corporation
$20
Azurity Pharmaceuticals, Inc.
$19
Acceleron Pharma, Inc.
$19
AVEO Pharmaceuticals, Inc.
$19
Kyowa Kirin, Inc.
$19
Midatech Pharma US Inc
$16
Advanced Accelerator Applications
$15
Melinta Therapeutics, LLC
$13
Helsinn Therapeutics (U.S.), Inc.
$12
Prometheus Laboratories Inc.
$11
Sysmex Inostics Inc
$9
Top 3 companies account for 19.2% of all-time payments
Associated products mentioned in payments ›
ADAKVEO · ADCETRIS · AFINITOR · ALIMTA · ALUNBRIG · AVASTIN · AYVAKIT · Abraxane · Alecensa · Aliqopa · Aranesp · Avastin · BAVENCIO · BENDEKA · BESREMI · BOSULIF · BRAFTOVI · BRUKINSA · Bavencio · Blincyto · Braftovi · CABLIVI · CABOMETYX · CALQUENCE · CARVYKTI · CERDELGA · CEREZYME · CHANTIX · COSELA · CYRAMZA · Cabometyx · Columvi · Copiktra · Cresemba · DARZALEX · Doptelet · ELAHERE · ELIQUIS · ELITEK · ELREXFIO · ENHERTU · EPKINLY · ERBITUX · ERLEADA · Endari · Enhertu · Epkinly · Erleada · FOTIVDA · FOUNDATIONONE · FRUZAQLA · FULPHILA · Fabhalta · GAUCHER-DISEASE · GILOTRIF · Gelclair · Halaven · IBRANCE · ICLUSIG · IMBRUVICA · INJECTAFER · INLYTA · Imbruvica · JADENU · JAKAFI · JAYPIRCA · JEVTANA · KANJINTI · KEYTRUDA · KISQALI · KRAZATI · Kadcyla · Kyprolis · LENVIMA · LIBTAYO · LONSURF · LORBRENA · LUMAKRAS · LUTATHERA · LYNPARZA · Lenvima · Lonsurf · Lutathera · MARGENZA · MEKINIST · MONJUVI · MVASI · MYLOTARG · NERLYNX · NINLARO · NOXAFIL · Neulasta · Nplate · Nubeqa · OCTAGAM IMMUNE GLOBULIN (HUMAN) · OPDIVO · OPDUALAG · OXBRYTA · Odomzo · Ogivri · Onivyde · Orserdu · PADCEV · PANZYGA · PIQRAY · PLUVICTO · POSLUMA · PROMACTA · PROVENGE · PYRUKYND · Padcev · Pedmark · Perjeta · Phesgo · Pomalyst · Poteligeo · Proleukin · QINLOCK · REBLOZYL · RETEVMO · ROLVEDON · RYBREVANT · RYDAPT · Reblozyl · Revlimid · Rezlidhia · Rezzayo · Rubraca · SANDOSTATIN · SARCLISA · SCEMBLIX · SOMATULINE DEPOT · SUTENT · Somatuline Depot · Stivarga · Sylvant · TABRECTA · TAGRISSO · TASIGNA · TECENTRIQ · TECVAYLI · TEPMETKO · TEVIMBRA · TIBSOVO · TIVDAK · TRUSELTIQ · TUKYSA · Tavalisse · Tecentriq · Tibsovo · Trodelvy · ULTOMIRIS · VENCLEXTA · VERZENIO · VIVIMUSTA · VONJO · VOTRIENT · VYXEOS · Venclexta · Vitrakvi · WILATE - VON WILLEBRAND FACTOR/COAGULATION FACTOR VIII COMPLEX (HUMAN) · XALKORI · XARELTO · XOSPATA · XPOVIO · XTANDI · Xermelo · Xofigo · Xospata · Xtandi · YONSA · Yescarta · ZEJULA · ZEPZELCA · ZOLADEX · ZYTIGA · Zoladex · clonoSEQ
Should you be concerned? Industry payments are disclosed through CMS Open Payments. Disclosure alone does not establish their purpose, legality, or effect on care. 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 →
Geographic Context
Hematology & oncology specialists in nearby ZIP areas
326
County median income
$81,797
Nearest hospital to ZIP centroid (approximate)
ADVOCATE LUTHERAN GENERAL HOSPITAL
2.0 mi
2.0 mi
Data Sources
| Provider Registry | ✓ NPPES | NPPES snapshot; verify current record |
| Medicare Enrollment | ✓ PECOS | PECOS snapshot |
| Practice Data | ✓ Medicare Util. | Annual (CY lag) |
| Industry Payments | ✓ Open Payments | CY 2024 |
| Disciplinary History | — Not included | 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. Eklund is a mixed practice specialist, with above-average Medicare volume (top 12% in IL), with 20 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. Eklund experienced with darbepoetin injection (aranesp) for anemia?
Based on Medicare claims data, Dr. Eklund performed 26,205 darbepoetin injection (aranesp) for anemia services. These records cover Medicare fee-for-service activity, including eligible younger beneficiaries; they do not measure total practice volume or clinical quality.
Does Dr. Eklund receive payments from pharmaceutical companies?
Yes. Dr. Eklund received a total of $16,548 from 93 companies across 803 payment records. A record can group multiple payments. These transfers are publicly disclosed through CMS Open Payments. Disclosure alone does not establish their legality or effect on care. 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. Eklund's costs compare to other hematology & oncology specialists in Niles?
Dr. Eklund's average Medicare payment per service is $14. 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. Eklund) 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 the presence of registry, enrollment, activity or payment records, not verified experience or clinical quality. 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?
Source publication dates and the snapshots loaded on this site can differ. Rebuilding a page does not refresh its source records. Check the Medicare reporting year and the payment interval shown above; consult the linked official sources for newer releases and current registry details. See our data freshness policy →
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Which IL hematology & oncology specialists receive the most from drug and device companies.
By company
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About this page
This page combines public CMS records with calculated summaries and explanatory procedure labels. These transformations are not verbatim federal records. Sources: 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.
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