DR. MARVIN P BAKER M.D.
NPI 1285661371
Internal Medicine - Cardiovascular Disease in Butler, PA

Q: What is Marvin Baker's NPI number?

The NPI number for Marvin Baker is 1285661371. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Q: What is Marvin Baker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Q: When was this NPI record last updated?

The NPPES record for Marvin Baker was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 26, 2006PECOS EnrolledAccepts Medicare Assignment

127 ONEIDA VALLEY RD, SUITE 202, BUTLER, PA 16001(724) 282-2234(724) 282-3043 Get Directions Write a Review

NPPES record last updated: April 4, 2008. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Marvin P Baker M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARVIN P BAKER M.D. (NPI 1285661371) is an individual cardiovascular disease provider in Butler, Pennsylvania, licensed in Pennsylvania (MD023621E) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Upmc Jameson, and is a graduate of Other (1974).

NPPES Registry Identity

NPI1285661371

Entity TypeIndividualMale

Primary Taxonomy207RC0000X

Provider Legal NameDR. MARVIN P BAKERCredential: M.D.

Location Address127 ONEIDA VALLEY RD, SUITE 202Butler, PA 16001-2239

Mailing Address127 Oneida Valley Rd, Suite 202Butler, PA 16001-2239 · (724) 282-2234 · Fax (724) 282-3043

Phone(724) 282-2234

Fax(724) 282-3043

Sole ProprietorYes

Medical School CMSOtherGraduated 1974

Enumeration DateJune 26, 2006

Last NPPES UpdateApril 4, 2008

✔ NPI 1285661371 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Cardiovascular DiseaseAllopathic & Osteopathic Physicians

Taxonomy Code207RC0000X

License✔ Licensed in PA · MD023621E

Definition

An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

127 ONEIDA VALLEY RD, Butler, PA 16001

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Other Identifiers 1

Medicare PIN153749PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter Health, Ambetter Health of Delaware.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Marvin P Baker M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID5890784011

PECOS Enrollment IDI20040511001312

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marvin Baker reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Butler Medical Providers

Same address

Obstetrics & Gynecology

129 ONEIDA VALLEY RD STE 211
Butler, PA 16001

Reassigned Medicare billing, Pennsylvania enrollment
482 clinicians in this Medicare group

NPI 1295147098 (844) 765-2845

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 27

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

A routine electrocardiogram (ECG) with 12 leads is a simple, non-invasive test that records the electrical activity of your heart. It helps in identifying heart conditions by detecting irregularities in your heart rhythms. The results are interpreted and a report is provided.

1,572 services1,060 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report only 93010

321 services306 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

This is a heart ultrasound, also known as an echocardiogram. It uses sound waves to create pictures of your heart, showing how blood flows through it. The color depicts the blood flow's speed and direction. It also checks the heart's valves to ensure they're working properly.

191 services189 patients

Ultrasound of heart with color-depicted blood flow, rate, direction and valve function 93306

182 services179 patients

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214

This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.

87 services67 patients

Ultrasound of both sides of head and neck blood flow 93880

An ultrasound of the head and neck blood flow is a safe, non-invasive procedure that uses sound waves to create images of blood vessels. It helps detect abnormalities like blockages or clots, ensuring optimal blood flow.

73 services73 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

A heart rhythm review involves monitoring your heart's electrical activity for more than 48 hours up to 7 days. Using a device called an external EKG, doctors can track your heartbeats to detect irregularities and help diagnose heart conditions.

55 services55 patients

Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report 93000

An electrocardiogram (ECG) is a non-invasive test that records your heart's electrical activity. Using 12 leads attached to your body, it captures data to help identify heart conditions. A doctor interprets the results and provides a report.

51 services50 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

An exercise or drug-induced heart stress test with ECG involves monitoring your heart's activity while it's under stress, either from exercise or medication. A doctor supervises the entire procedure to ensure safety and accuracy in results. This test helps detect heart problems.

46 services45 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

An exercise or drug-induced heart stress test with ECG is a procedure to assess how your heart functions under stress. It can involve exercising or medication to make your heart work harder while an ECG records its activity. A physician reviews the results.

46 services45 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with supervision by physician 93016

42 services42 patients

Exercise or drug-induced heart stress test with electrocardiogram (ecg) with review by physician 93018

42 services42 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

This service involves wearing a device for 8-15 days that continuously records your heart's electrical activity. It helps in identifying irregular heart rhythms. The recorded data is then reviewed and interpreted by a healthcare professional for any abnormalities.

41 services41 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

Nuclear medicine studies of the heart involve two parts: rest and stress. During rest, images are taken of your heart at ease. During stress, images are taken after exercise or medication-induced stress. SPECT is a special imaging technique providing 3D pictures of your heart, helping identify any issues.

38 services38 patients

Heart rhythm review and interpretation of continous external ekg over 8-15 days 93248

35 services35 patients

Heart rhythm review, and interpretation of continous external ekg over more than 48 hours up to 7 days 93244

33 services33 patients

Ultrasound of heart with probe in esophagus, with report 93312

This procedure, called a transesophageal echocardiogram, uses a small probe passed into your esophagus to capture detailed images of your heart. The report provides information about your heart's structure and function.

33 services33 patients

Ultrasound of heart blood flow, valves and chambers 93320

An ultrasound of your heart, also known as an echocardiogram, is a test that uses sound waves to create detailed images of your heart. It helps doctors check the health of your heart's chambers, valves, and blood flow.

33 services33 patients

Ultrasound of heart with color-depicted blood flow, rate and valve function 93325

An ultrasound of the heart, also known as an echocardiogram, uses sound waves to create pictures of your heart. It shows the structure, movement, and blood flow within your heart. This helps assess the heart's health and function, including the valves and rate.

33 services33 patients

Nuclear medicine studies of heart muscle at rest and with stress and spect 78452

32 services32 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

An Electrocardiogram (ECG) is a test that checks your heart's activity. The 2-day continuous ECG records your heart's rhythm non-stop for 48 hours. It helps to detect irregularities that may not occur during a shorter test. A healthcare professional will review the results to identify any issues.

31 services31 patients

Ultrasound of both sides of head and neck blood flow 93880

26 services26 patients

Ultrasound of heart, follow-up 93308

A follow-up ultrasound of the heart, also known as an echocardiogram, is a non-invasive test that uses sound waves to create images of your heart. It helps doctors monitor your heart's function and structures after initial assessment or treatment.

24 services23 patients

Electrocardiogram (ecg) up to 30 days continuous with symptom monitoring, transmission and review and report by health care professional 93272

An Electrocardiogram (ECG) is a test that records the electrical activity of your heart. For up to 30 days, a device will continuously monitor your heart's rhythm, noting any symptoms. The data is sent to a healthcare professional who reviews it and provides a report on your heart health.

18 services18 patients

Electrocardiogram (ecg) 2-day continuous with review by health care professional 93227

15 services15 patients

Complete ultrasound study of arm and leg arteries 93923

This procedure involves using sound waves to produce images of your arm and leg arteries. It helps identify blockages or abnormalities that could lead to conditions like stroke or peripheral artery disease. It's non-invasive and painless.

13 services13 patients

External shock to heart to regulate heart beat 92960

This procedure, known as cardioversion, uses an external electrical shock to restore your heart's normal rhythm. It's typically performed when irregular heartbeats, or arrhythmias, are causing severe symptoms and aren't responding to medications.

11 services11 patients

Hospital Affiliations CMS Care Compare 5

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Upmc Jameson

Acute Care Hospitals · New Castle, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390016

Location1211 Wilmington AvenueNew Castle, PA 16105 · Lawrence County

Emergency services

Penn Highlands Dubois

Acute Care Hospitals · Dubois, PA

2/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390086

Location100 Hospital AvenueDubois, PA 15801 · Clearfield County

Clarion Hospital

Acute Care Hospitals · Clarion, PA

OwnershipVoluntary non-profit - Private

CMS Certification Number390093

LocationOne Hospital DriveClarion, PA 16214 · Clarion County

Emergency services

Magee Womens Hospital Of Upmc Health System

Acute Care Hospitals · Pittsburgh, PA

3/5 CMS rating

OwnershipVoluntary non-profit - Other

CMS Certification Number390114

Location300 Halket StreetPittsburgh, PA 15213 · Allegheny County

Emergency services Birthing friendly

Butler Memorial Hospital

Acute Care Hospitals · Butler, PA

2/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number390168

LocationOne Hospital WayButler, PA 16001 · Butler County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 16001 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$126.34 typical visit price

range $54.64 – $166.87

Typical copayment $31.58 (range $13.66 – $41.71)

Most-billed visit code 99204

Established Patient

$68.36 typical visit price

range $17.33 – $135.84

Typical copayment $17.09 (range $4.33 – $33.96)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 18

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MICHAEL A GATES PA-C

Physician Assistant (Medical)

127 ONEIDA VALLEY RD, SUITE 202
BUTLER, PA 16001

Butler County (866) 620-6761

KIMBERLY SUNDIE PA-C

Physician Assistant (Medical)

127 ONEIDA VALLEY RD, SUITE 400
BUTLER, PA 16001

Butler County (724) 284-5670

DR. SUNDER R RAO MD

Internal Medicine (Cardiovascular Disease)

127 ONEIDA VALLEY RD, SUITE 400
BUTLER, PA 16001

Butler County (866) 620-6761

SANJAY BALWANT DIXIT MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

127 ONEIDA VALLEY RD, SUITE 101
BUTLER, PA 16001

Butler County (724) 968-5355

MRS. LINDSAY R STEWART PA-C

Physician Assistant

127 ONEIDA VALLEY RD, SUITE 101
BUTLER, PA 16001

Butler County (724) 968-5355

RENA MARISSA ISRAEL PA-C

Physician Assistant (Surgical)

127 ONEIDA VALLEY RD
BUTLER, PA 16001

Butler County (877) 247-2717

REKHA PINTO MD

Internal Medicine (Cardiovascular Disease)

127 ONEIDA VALLEY RD, SUITE 202
BUTLER, PA 16001

Butler County (866) 620-6761

MRS. EMILY RACHAEL MARTIN MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)

127 ONEIDA VALLEY RD, SUITE 101
BUTLER, PA 16001

Butler County (724) 968-5355

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marvin Baker's NPI number?

The NPI number for Marvin Baker is 1285661371. It was assigned to this individual provider in the NPPES registry on June 26, 2006.

Where is Marvin Baker located?

Marvin Baker practices at 127 Oneida Valley Rd Suite 202, Butler, PA 16001. The listed phone number is (724) 282-2234.

What is Marvin Baker's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.

Is Marvin Baker enrolled in Medicare?

Yes. Marvin Baker is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Marvin Baker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marvin Baker reassigns Medicare benefits to Butler Medical Providers (Butler, PA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marvin Baker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marvin Baker accept?

Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Marvin Baker as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Marvin Baker affiliated with any hospitals?

According to CMS data, Marvin Baker is affiliated with Upmc Jameson, Penn Highlands Dubois, Clarion Hospital, Magee Womens Hospital Of Upmc Health System and Butler Memorial Hospital.

When was this NPI record last updated?

The NPPES record for Marvin Baker was last updated on April 4, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.