Medicare Enrolled

Dr. Amita Patnaik, M.D.

Medical Oncology · San Antonio, TX
Practice pattern: Clinical Cardiology — Primarily office-based clinical cardiology
Consulting-driven
4383 MEDICAL DR, San Antonio, TX 78229
2105935700
In practice since 2005 (20 years)
NPI: 1538162029 verify on NPPES ↗
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. Patnaik 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. Patnaik

Dr. Amita Patnaik is a medical oncology specialist in San Antonio, TX, with 20 years of NPI registration. Based on federal Medicare data, Dr. Patnaik performed 1,817 Medicare services across 547 unique beneficiaries.

Between the years covered by Open Payments, Dr. Patnaik received a total of $30,955 from 20 pharmaceutical and/or device companies across 67 individual payments. These payments are legal, publicly disclosed under the federal Sunshine Act, and common in medical oncology. The majority of payments are for consulting, which typically reflects recognized clinical expertise sought by manufacturers. Patients may wish to discuss these relationships with their provider.

The Data Coverage level for Dr. Patnaik is Very High — reflecting how much public federal data is available about this provider. This is not a quality rating. Patients are encouraged to use this data as one of several factors when choosing a healthcare provider.

✓ 20 years in practice ▲ Top 48% volume in TX $30,955 industry payments

Medicare Practice Summary

Medicare Utilization ↗
1,817
Medicare services
Top 48% in TX for medical oncology
547
Unique beneficiaries
$32
Avg. Medicare payment
Medicare patients only (65+ / disabled) · Not a quality rating · How to read this →
~91 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
Injection, magnesium sulfate, per 500 mg 228 $1 $2
Office visit, established patient (30-39 min) 216 $98 $374
Injection, potassium chloride, per 2 meq 190 $0 $0
Comprehensive metabolic blood panel 178 $10 $32
Complete blood count (CBC) with differential 153 $8 $23
Anti-nausea injection (Aloxi/palonosetron) 130 $1 $25
Office visit, established patient, complex (40-54 min) 116 $127 $523
Administration of chemotherapy into vein, 1 hour or less 81 $98 $377
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less 78 $49 $185
Infusion into a vein for therapy, prevention, or diagnosis, additional sequential infusion, 1 hour or less 71 $22 $86
Drug injection, under skin or into muscle 40 $10 $47
Infusion into a vein for hydration, 31-60 minutes 39 $25 $137
Infusion, normal saline solution, sterile (500 ml = 1 unit) 38 $1 $9
Complete blood count (CBC), automated 37 $6 $19
Injection, diphenhydramine hcl, up to 50 mg 37 $1 $3
Infusion into a vein for hydration, each additional hour 35 $10 $42
Infusion into a vein for therapy, prevention, or diagnosis, each additional hour 34 $16 $60
Office visit, established patient (20-29 min) 30 $68 $272
Injection of drug or substance into vein 21 $29 $131
Infusion, normal saline solution , 1000 cc 21 $2 $19
Prothrombin time test (blood clotting) 15 $4 $13
Coagulation assessment blood test, plasma or whole blood 15 $6 $18
Bilirubin level, direct 14 $5 $15
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.
17.4% high complexity
40.0% medium
42.6% routine

Industry Payment Transparency

Open Payments through 2024 ↗
$30,955
Total received (2018-2024)
Avg $4,422/year across 7 years
Top 26% in TX for medical oncology
20
Companies
67
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.

Consulting
Expert advisory fees, typically reflecting recognized clinical expertise
$22,811 (73.7%)
Speaking / Promotional
Speaker programs, honoraria, and industry-sponsored educational events
$5,588 (18.1%)
Meals & Travel
Food, beverages, travel, and lodging — typically low-value
$2,555 (8.3%)

Payment trend by year

Annual totals from pharmaceutical and medical device companies.

2024
$8,280
2023
$168
2022
$22
2021
$7,171
2020
$37
2019
$14,204
2018
$1,073

Payments by company (2024)

Consulting
Speaking
Meals & Travel
Research
Janssen Global Services, LLC
$8,308
PFIZER INC.
$6,333
Seattle Genetics, Inc.
$5,588
Daiichi Sankyo Inc.
$3,783
Gilead Sciences, Inc.
$3,400
Eli Lilly and Company
$1,840
Merck Sharp & Dohme Corporation
$1,044
Genentech USA, Inc.
$162
Celgene Corporation
$137
Merck Sharp & Dohme LLC
$62
Bayer HealthCare Pharmaceuticals Inc.
$46
Lilly USA, LLC
$45
E.R. Squibb & Sons, L.L.C.
$43
Novartis Pharmaceuticals Corporation
$39
Boehringer Ingelheim Pharmaceuticals, Inc.
$25
Foundation Medicine, Inc.
$25
Takeda Pharmaceuticals U.S.A., Inc.
$23
PUMA BIOTECHNOLOGY, INC.
$20
EMD Serono, Inc.
$17
Astellas Pharma US Inc
$16
Top 3 companies account for 65.4% of total payments
Associated products mentioned in payments ›
ADCETRIS · ALIMTA · Bavencio · CC-122 · CYRAMZA · Enhertu · FOUNDATIONONE · GAZYVA · GILOTRIF · KEYTRUDA · Kadcyla · LORBRENA · OPDIVO · OPDUALAG · PROMACTA · Perjeta · Pomalyst · REBLOZYL · RYDAPT · Stivarga · VERZENIO · Xospata
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 (74%) are consulting fees, which typically reflect recognized clinical expertise sought by manufacturers.

Equivalent to $1,704 per 100 Medicare services performed
Looking for a medical oncology specialist in San Antonio?
Compare medical oncologists in the San Antonio area by procedure volume, costs, and industry payment transparency.
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Geographic Context

Medical oncologists within 10 mi
37
Per 100K population
1.8
County median income
$70,571
Nearest hospital
UNIVERSITY HEALTH SYSTEM
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 measures how much public data is available about a provider — not how good they are. How we calculate this →

Summary

Dr. Patnaik is a clinical cardiology specialist, with moderate Medicare volume, with consulting-driven industry engagement, with 20 years of NPI registration.

This summary is auto-generated from federal data. It describes data availability and patterns — not clinical quality. Read our methodology →

Frequently Asked Questions

Is Dr. Patnaik experienced with injection, magnesium sulfate, per 500 mg?
Based on Medicare claims data, Dr. Patnaik performed 228 injection, magnesium sulfate, per 500 mg 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. Patnaik receive payments from pharmaceutical companies?
Yes. Dr. Patnaik received a total of $30,955 from 20 companies across 67 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. Patnaik's costs compare to other medical oncologists in San Antonio?
Dr. Patnaik's average Medicare payment per service is $32. 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. Patnaik) 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 →
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. The Transparency Score measures 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

Data Disclaimer — Data sourced from the Centers for Medicare & Medicaid Services (CMS): National Plan and Provider Enumeration System (NPPES), Open Payments program, Medicare Provider Utilization and Payment Data, and Provider Enrollment & Certification data (PECOS). Published under the Freedom of Information Act (FOIA). This website is not affiliated with, endorsed by, or authorized by CMS, HHS, or the U.S. Government. Data may contain errors as reported to CMS by providers and reporting entities. Payments from industry are legal and do not indicate wrongdoing. Medicare data reflects only patients aged 65+ or those with qualifying disabilities. For corrections, contact CMS directly. This information does not constitute medical advice and should not be used as the sole basis for choosing a healthcare provider. Procedure descriptions use plain language and do not reference CPT® codes, which are copyrighted by the American Medical Association. Full methodology → · Report a data error → · Privacy policy →