Medicare Enrolled
Dr. Marvin Baker, M.D.
Cardiovascular Disease · Butler, PA
Practice pattern: Cardiac Imaging
— Practice with significant diagnostic imaging and stress testing
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. Baker 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. Baker
Dr. Marvin Baker is a cardiovascular disease specialist in Butler, PA, with 20 years of NPI registration. Based on federal Medicare data, Dr. Baker performed 2,569 Medicare services in 2023. These records do not provide a deduplicated patient total.
Between the years covered by Open Payments, Dr. Baker received a total of $6,180 from 47 pharmaceutical and/or device companies across 388 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. Baker 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 36% volume in PA
$6,180 industry payments
Medicare Practice Summary — 2023
Medicare Utilization ↗2,569
Medicare services
Top 36% in PA for cardiovascular disease
Not available
Unique patients (not deduplicated)
$18
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 |
|---|---|---|---|
| EKG interpretation and report A standard electrocardiogram test that records the heart's electrical activity using at least 12 leads. The service includes a professional interpretation of the results and a written report. |
1,576 | $6 | $45 |
| Echocardiogram, transthoracic An ultrasound of the heart that uses color to show blood flow, rate, direction, and valve function. |
361 | $44 | $119 |
| 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. |
135 | $81 | $171 |
| Ultrasound of head and neck blood flow, bilateral An ultrasound exam that uses sound waves to visualize and assess blood flow in the vessels of both the head and the neck. |
114 | $25 | $64 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while an electrocardiogram is monitored under physician supervision. |
77 | $15 | $75 |
| Exercise or drug-induced heart stress test with ECG A heart stress test performed using exercise or medication while monitoring the electrocardiogram, with physician review of the results. |
77 | $10 | $63 |
| Electrocardiogram (EKG), 12-lead A standard heart rhythm test using at least 12 leads to record electrical activity. A healthcare provider interprets the results and provides a written report. |
59 | $10 | $45 |
| Nuclear stress test of heart muscle A nuclear medicine imaging test that evaluates blood flow to the heart muscle at rest and during stress using a special camera. |
58 | $56 | $150 |
| Ultrasound of arm and leg arteries A non-invasive imaging test that uses sound waves to examine the blood vessels in the arms and legs. It evaluates blood flow and checks for blockages or other vascular issues. |
26 | $14 | $40 |
| Transesophageal echocardiogram An ultrasound of the heart performed using a probe inserted into the esophagus to obtain detailed images of heart structures and function. |
19 | $80 | $177 |
| Echocardiogram, transthoracic An ultrasound test that uses sound waves to create images of the heart's blood flow, valves, and chambers. |
19 | $14 | $30 |
| Echocardiogram with color Doppler An ultrasound of the heart that uses color imaging to visualize blood flow, measure flow rate, and assess valve function. |
19 | $2 | $35 |
| 2-day continuous ECG with professional review A two-day continuous electrocardiogram recording that includes a review by a healthcare professional. |
18 | $13 | $63 |
| Follow-up heart ultrasound An ultrasound of the heart performed to monitor or reassess a previously identified condition or treatment progress. |
11 | $16 | $41 |
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.
14.8% high complexity
15.6% medium
69.6% routine
Industry Payment Transparency
Open Payments through 2024 ↗$6,180
Total received (2018-2024)
Avg $883/year across 7 years
Top 30% in PA for cardiovascular disease
A higher payment rank reflects disclosed industry relationships (consulting, research, speaking) common among subspecialists — not wrongdoing.
47
Companies
388
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
$295
2023
$379
2022
$389
2021
$800
2020
$490
2019
$2,224
2018
$1,604
Payments by company (2024)
PFIZER INC.
$39
Bayer Healthcare Pharmaceuticals Inc.
$30
Daiichi Sankyo Inc.
$28
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
$27
Boston Scientific Corporation
$25
Alnylam Pharmaceuticals Inc.
$25
Kiniksa Pharmaceuticals International, plc
$23
ABIOMED
$23
HEARTFLOW, INC.
$21
Amgen Inc.
$15
Novo Nordisk Inc
$14
Merck Sharp & Dohme LLC
$14
AstraZeneca Pharmaceuticals LP
$13
Top 3 companies account for 32.8% of 2024 payments
All-time payments by company (2018-2024) ›
Amgen Inc.
$783
Janssen Pharmaceuticals, Inc
$750
Novartis Pharmaceuticals Corporation
$691
AstraZeneca Pharmaceuticals LP
$690
Boehringer Ingelheim Pharmaceuticals, Inc.
$374
ZOLL Services LLC (A/K/A ZOLL LifeCor Corp)
$331
SANOFI-AVENTIS U.S. LLC
$278
PFIZER INC.
$229
Actelion Pharmaceuticals US, Inc.
$166
Regeneron Healthcare Solutions, Inc.
$151
Boston Scientific Corporation
$148
E.R. Squibb & Sons, L.L.C.
$148
Amarin Pharma Inc.
$94
Relypsa, Inc.
$91
AtriCure, Inc.
$91
Daiichi Sankyo Inc.
$90
Otsuka America Pharmaceutical, Inc.
$88
Novo Nordisk Inc
$86
Bayer HealthCare Pharmaceuticals Inc.
$59
Alnylam Pharmaceuticals Inc.
$59
Merck Sharp & Dohme LLC
$54
Kowa Pharmaceuticals America, Inc.
$53
Lundbeck LLC
$50
Bayer Healthcare Pharmaceuticals Inc.
$46
Lantheus Medical Imaging, Inc.
$44
BOSTON SCIENTIFIC CORPORATION
$40
Kiniksa Pharmaceuticals, Ltd.
$39
Esperion Therapeutics, Inc.
$36
Abbott Laboratories
$34
ARALEZ PHARMACEUTICALS US INC.
$33
ARBOR PHARMACEUTICALS, INC.
$30
United Therapeutics Corporation
$26
GE HealthCare
$26
HeartFlow, Inc.
$26
Gilead Sciences, Inc.
$25
Merck Sharp & Dohme Corporation
$24
Kiniksa Pharmaceuticals International, plc
$23
ABIOMED
$23
HEARTFLOW, INC.
$21
Kestra Medical Technology Services, Inc.
$21
Resmed Corp
$19
Astellas Pharma US Inc
$18
ATRICURE, INC.
$15
Arbor Pharmaceuticals, Inc.
$14
Regeneron Pharmaceuticals, Inc.
$14
Akcea Therapeutics, Inc.
$13
Beckman Coulter, Inc.
$13
Top 3 companies account for 36.0% of all-time payments
Associated products mentioned in payments ›
ACC2 Cardiac Cryosurgical System · ATRICURE ATRICLIP LAA EXCLUSION · ATRICURE CRYOSURGICAL SYSTEM · ATRICURE SYNERGY ABLATION SYSTEM · Adempas · AirSense · Arcalyst · Assure WCD · AtriCure AtriClip LAA Exclusion System · BRILINTA · CAMZYOS · CHANTIX · Corlanor · Definity · ELIQUIS · EMBLEM SICD ELECTRODE DELIVERY SYSTEM · ENTRESTO · EVKEEZA · Edarbi · Edarbyclor · FARXIGA · FFRct · GENERAL TACHY · HeartMate 3 Left Ventricular Dev · INJECTAFER · Impella · JARDIANCE · Kerendia · LEQVIO · LOKELMA · Letairis · Lexiscan · LifeVest · Livalo · MULTAQ · Mitra Clip system · NEXLETOL · NORTHERA · ONPATTRO · OPSUMIT · OPSUMIT MACITENTAN · Ozempic · PRADAXA · PRALUENT · PRALUENT ALIROCUMAB INJECTION · Repatha · Rybelsus · SAMSCA · TEGSEDI · UNICEL DXI ACCESS · VERQUVO · Vascepa · Veltassa · Verquvo · WATCHMAN · WATCHMAN FLX · XARELTO · ZONTIVITY
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
Cardiologists in nearby ZIP areas
24
County median income
$86,775
Nearest hospital to ZIP centroid (approximate)
INDEPENDENCE HEALTH SYSTEM BUTLER MEMORIAL HOSPITA
0.0 mi
0.0 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. Baker is a cardiac imaging specialist, with moderate Medicare volume, 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. Baker experienced with ekg interpretation and report?
Based on Medicare claims data, Dr. Baker performed 1,576 ekg interpretation and report 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. Baker receive payments from pharmaceutical companies?
Yes. Dr. Baker received a total of $6,180 from 47 companies across 388 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. Baker's costs compare to other cardiologists in Butler?
Dr. Baker'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. Baker) 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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