Medicare Enrolled
Dr. Susanna Gaikazian, M.D.
Hematology · Estero, FL
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. Gaikazian 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. Gaikazian
Dr. Susanna Gaikazian is a hematology specialist in Estero, FL, with 20 years of NPI registration. Based on federal Medicare data, Dr. Gaikazian performed 164,162 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Gaikazian received a total of $4,135 from 48 pharmaceutical and/or device companies across 174 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. Gaikazian 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 30% volume in FL
$4,135 industry payments
Florida License Status
FL DOH · MQA1
Active license
None
Board action on record
0
Recent admin complaints
| Profession | License # | Status | Expires | Board Action |
|---|---|---|---|---|
| Medical Doctor | 156581 | Clear | January 31, 2028 | — |
Data from Florida Department of Health Medical Quality Assurance.
License records are public under Chapter 119, Florida Statutes.
Verify directly on FL DOH →
Medicare Practice Summary — 2023
Medicare Utilization ↗164,162
Medicare services
Top 30% in FL for hematology
Not available
Unique patients (not deduplicated)
$7
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 |
|---|---|---|---|
| Iron infusion (Feraheme) An injection of ferumoxytol used to treat iron deficiency anemia in patients not on dialysis. |
54,570 | $0 | $4 |
| Filgrastim injection (Zarxio) for white blood cells An injection of the biosimilar medication filgrastim-sndz (Zarxio) with a dosage of 1 microgram. |
28,320 | $0 | $2 |
| Pembrolizumab injection (Keytruda) | 14,400 | $43 | $137 |
| Anti-nausea injection (aprepitant) | 13,780 | $1 | $5 |
| Oxaliplatin chemotherapy injection This procedure involves the administration of oxaliplatin, a chemotherapy medication, via injection. The dosage specified is 0.5 mg. |
9,270 | $0 | $12 |
| Iron sucrose injection (Venofer) An injection of iron sucrose used to replenish iron levels in the body. |
9,200 | $0 | $5 |
| Epoetin alfa injection (Procrit) for anemia An injection of epoetin alfa containing 1000 units for use in patients not on end-stage renal disease (ESRD) dialysis. |
6,741 | $6 | $23 |
| Denosumab injection (Prolia/Xgeva) | 6,720 | $18 | $51 |
| Paclitaxel chemotherapy injection | 4,772 | $0 | $2 |
| Immune globulin infusion (Gammagard) An injection of immune globulin (Gammagard Liquid) to provide antibodies. The dose specified is 500 mg. |
2,340 | $36 | $108 |
| Dexamethasone injection (steroid) An injection of dexamethasone sodium phosphate, a corticosteroid medication, administered in a dose of 1 milligram. |
1,940 | $0 | $3 |
| 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. |
1,583 | $8 | $29 |
| Anti-nausea injection (Aloxi/palonosetron) | 1,380 | $1 | $28 |
| Blood draw (venipuncture) Insertion of a needle into a vein to collect a blood sample. |
1,376 | $8 | $9 |
| Anti-nausea injection (ondansetron/Zofran) | 664 | $0 | $9 |
| 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. |
627 | $11 | $69 |
| Injection, leucovorin calcium, per 50 mg | 578 | $3 | $12 |
| Fluorouracil injection, 500 mg Administration of a 500 mg dose of fluorouracil medication via injection. |
516 | $2 | $7 |
| 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. |
448 | $100 | $339 |
| Intravenous injection of additional new drug or substance Administration of an additional new medication or substance directly into a vein. |
428 | $12 | $61 |
| Intravenous chemotherapy infusion, 1 hour or less Administration of chemotherapy medication directly into a vein. The procedure takes one hour or less to complete. |
387 | $104 | $378 |
| 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. |
286 | $70 | $239 |
| 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. |
268 | $140 | $474 |
| Injection, gemcitabine hydrochloride, not otherwise specified, 200 mg | 268 | $3 | $205 |
| 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. |
249 | $2 | $7 |
| 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. |
244 | $23 | $84 |
| 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. |
238 | $10 | $42 |
| 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. |
234 | $50 | $189 |
| 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. |
200 | $64 | $197 |
| 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. |
193 | $25 | $156 |
| Carboplatin chemotherapy injection, 50 mg Administration of a 50 mg dose of carboplatin, a chemotherapy medication, via injection. |
169 | $2 | $41 |
| Additional hour of intravenous chemotherapy This code represents the administration of chemotherapy medication into a vein for each additional hour beyond the initial period. |
158 | $23 | $79 |
| Magnesium sulfate injection, per 500 mg An injection of magnesium sulfate administered in 500 mg increments. |
146 | $1 | $2 |
| Diphenhydramine injection, up to 50 mg An injection of diphenhydramine hydrochloride, an antihistamine medication, administered in a dose of up to 50 milligrams. |
130 | $1 | $3 |
| Non-hormonal chemotherapy injection This procedure involves administering non-hormonal anti-neoplastic chemotherapy medication via injection into the skin or muscle tissue. |
124 | $57 | $206 |
| Vitamin B-12 injection An injection of vitamin B-12 (cyanocobalamin) with a dose of up to 1000 mcg. |
121 | $1 | $6 |
| Office visit for established patient An office visit for an existing patient that may not require the healthcare professional to be present. |
116 | $18 | $59 |
| 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. |
104 | $52 | $178 |
| Additional hour of intravenous infusion This code represents each additional hour of intravenous infusion beyond the initial hour for therapy, prevention, or diagnosis. |
101 | $16 | $56 |
| 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. |
86 | $142 | $556 |
| New patient office visit, complex (60-74 min) | 82 | $167 | $585 |
| Methylprednisolone injection, up to 40 mg An injection of methylprednisolone sodium succinate, a corticosteroid medication, administered in a dose of up to 40 mg. |
70 | $3 | $11 |
| Initial hospital admission, moderate complexity Initial hospital inpatient or observation care for a new patient involving moderate-level medical decision making, with at least 55 minutes total time on the date of the encounter. |
68 | $105 | $377 |
| 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. |
67 | $130 | $453 |
| Intravenous drug injection A procedure involving the administration of a medication or substance directly into a vein. |
63 | $28 | $156 |
| 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. |
54 | $1 | $7 |
| Automated red blood cell count with calculations A blood test that automatically counts red blood cells and performs additional calculations to assess blood health. |
51 | $5 | $20 |
| 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. |
50 | $136 | $637 |
| 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. |
45 | $45 | $170 |
| Venipuncture for blood collection A procedure to draw blood from a vein for medical testing or analysis. |
40 | $66 | $277 |
| Subcutaneous or intramuscular chemotherapy injection This procedure involves administering anti-cancer hormonal medication through an injection into the tissue under the skin or into a muscle. |
35 | $24 | $89 |
| Concurrent intravenous infusion Administration of medication or fluid into a vein for therapy, prevention, or diagnosis while another infusion is being given. |
30 | $16 | $56 |
| Hospital follow-up visit, low complexity Follow-up hospital visit for an established patient with straightforward or low-level medical decision making. The visit requires at least 25 minutes of time spent on the day of service. |
18 | $41 | $109 |
| Automated urinalysis An automated laboratory test performed on a urine sample to analyze its chemical and physical properties. The procedure uses machinery to detect various substances and cells within the urine. |
14 | $2 | $8 |
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.
35.6% high complexity
61.4% medium
3.0% routine
Industry Payment Transparency
Open Payments through 2024 ↗$4,135
Total received (2018-2024)
Avg $591/year across 7 years
Bottom 38% in FL for hematology
48
Companies
174
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
$1,253
2023
$1,666
2022
$659
2021
$12
2020
$67
2019
$250
2018
$228
Payments by company (2024)
Merck Sharp & Dohme LLC
$231
Janssen Biotech, Inc.
$151
Incyte Corporation
$121
E.R. Squibb & Sons, L.L.C.
$116
PFIZER INC.
$84
Daiichi Sankyo Inc.
$64
Myriad Genetic Laboratories, Inc.
$53
BeiGene USA, Inc.
$50
Gilead Sciences, Inc.
$47
Astellas Pharma US Inc
$44
Regeneron Healthcare Solutions, Inc.
$38
Novartis Pharmaceuticals Corporation
$35
Rigel Pharmaceuticals, Inc.
$34
Eisai Inc.
$32
GENZYME CORPORATION
$32
Exelixis Inc.
$23
ABBVIE INC.
$22
Veracyte, Inc.
$21
JAZZ PHARMACEUTICALS INC.
$21
Takeda Pharmaceuticals U.S.A., Inc.
$18
Tempus AI, Inc
$15
Top 3 companies account for 40.2% of 2024 payments
All-time payments by company (2018-2024) ›
Merck Sharp & Dohme LLC
$416
Genentech USA, Inc.
$295
Janssen Biotech, Inc.
$271
Incyte Corporation
$266
Novartis Pharmaceuticals Corporation
$243
E.R. Squibb & Sons, L.L.C.
$226
PFIZER INC.
$216
Gilead Sciences, Inc.
$207
BeiGene USA, Inc.
$146
Myriad Genetic Laboratories, Inc.
$143
Amgen Inc.
$143
AstraZeneca Pharmaceuticals LP
$139
Foundation Medicine, Inc.
$131
Daiichi Sankyo Inc.
$115
Stryker Corporation
$113
Intuitive Surgical, Inc.
$96
GlaxoSmithKline, LLC.
$82
Takeda Pharmaceuticals U.S.A., Inc.
$74
Astellas Pharma US Inc
$73
GENZYME CORPORATION
$46
ABBVIE INC.
$45
Celgene Corporation
$45
ARRAY BIOPHARMA INC
$45
Regeneron Healthcare Solutions, Inc.
$38
MorphoSys, US Inc.
$35
Rigel Pharmaceuticals, Inc.
$34
Eisai Inc.
$32
EMD Serono, Inc.
$31
Pharmacyclics LLC, an AbbVie Company
$31
Kite Pharma, Inc.
$29
ImmunoGen, Inc.
$27
Merck Sharp & Dohme Corporation
$26
Bayer HealthCare Pharmaceuticals Inc.
$25
Exelixis Inc.
$23
Veracyte, Inc.
$21
JAZZ PHARMACEUTICALS INC.
$21
EISAI INC.
$20
Alexion Pharmaceuticals, Inc.
$19
PharmaEssentia USA Corporation
$19
Array BioPharma Inc.
$19
Bayer Healthcare Pharmaceuticals Inc.
$16
Tempus AI, Inc
$15
Dova Pharmaceuticals
$14
Seagen Inc.
$14
Blueprint Medicines Corporation
$13
Lexicon Pharmaceuticals, Inc.
$13
Kyowa Kirin, Inc.
$13
Verastem, Inc.
$11
Top 3 companies account for 23.7% of all-time payments
Associated products mentioned in payments ›
ALUNBRIG · AYVAKIT · Aimovig · Alecensa · Avastin · BESREMI · BOSULIF · BRAFTOVI · BRUKINSA · Balversa · Bavencio · Braftovi · CABOMETYX · CARVYKTI · Copiktra · DARZALEX · Da Vinci Surgical System · Doptelet · ENJAYMO · ERLEADA · Elahere · Enhertu · FARESTON · FOUNDATIONONE · GAZYVA · IBRANCE · IMBRUVICA · INJECTAFER · INLYTA · JAKAFI · JEVTANA · KEYTRUDA · KISQALI · LIBTAYO · LUMAKRAS · LUTATHERA · Lenvima · MONJUVI · MYRISK · NINLARO · OPDIVO · OPDUALAG · OPTABLATE · PADCEV · PEMAZYRE · PIQRAY · PLUVICTO · PRECISETUMOR · PROMACTA · Padcev · Perjeta · Phesgo · REBLOZYL · RYBREVANT · Rezlidhia · SHINGRIX · SOLIRIS · Stivarga · TAGRISSO · TASIGNA · TECVAYLI · TEPMETKO · TIVDAK · Trodelvy · VENCLEXTA · XALKORI · XTANDI · Xermelo · Xospata · Xtandi · Yescarta · ZEJULA · ZEPZELCA · myRisk
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
Hematologists in nearby ZIP areas
18
County median income
$73,099
Nearest hospital to ZIP centroid (approximate)
PHYSICIANS REGIONAL MEDICAL CENTER - PINE RIDGE
7.3 mi
7.3 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. Gaikazian is a mixed practice specialist, with above-average Medicare volume (top 30% in FL), 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. Gaikazian experienced with iron infusion (feraheme)?
Based on Medicare claims data, Dr. Gaikazian performed 54,570 iron infusion (feraheme) 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. Gaikazian receive payments from pharmaceutical companies?
Yes. Dr. Gaikazian received a total of $4,135 from 48 companies across 174 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. Gaikazian's costs compare to other hematologists in Estero?
Dr. Gaikazian's average Medicare payment per service is $7. 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. Gaikazian) 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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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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