Marc H. Oster, MD
Internal Medicine Physician · Cabot, PA
Marc H. Oster, MD is an internal medicine physician with a practice address in Cabot, Pennsylvania, and NPI 1508813809, issued on May 30, 2006. Check the license (Pennsylvania MD428352, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Marc H. Oster
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD428352 PA
Self-reported in NPPES; status is on the state search - Practice location
- 112 Marwood RD., Cabot, PA 16023
- Phone
- (724) 352-4448
- Enumerated
- May 30, 2006
- Record last updated
- Feb 26, 2025
- Fax
- (724) 352-4412
- Medicare enrollment
- Enrolled (PECOS I20060920000209); accepts Medicare assignment
- Medical or professional school
- University Of Miami, Lm Miller School Of Medicine, 1989
- Entity
- Type 1 · individual
Verify Marc H. Oster in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD428352Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.4 times the Medicare Part D claims of the average internal medicine physician in 2024
10,715 Medicare Part D claims for 377 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 401 claims were for opioids.
Most prescribed
- Eliquis547 claims
- Levothyroxine Sodium480 claims
- Omeprazole412 claims
- Sertraline Hcl392 claims
- Furosemide355 claims
- Atorvastatin Calcium307 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Concordia Physician PracticeCabot, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
2 internal medicine physician records list a practice address in Cabot
They are 2 of the 27 NPPES records with a practice address in Cabot, and 7,300 internal medicine physician records in Pennsylvania.
All 2 in Cabot → All 7,300 in Pennsylvania → Every provider in Cabot →
Other internal medicine physician records in Pennsylvania
- Saira Aamir, MDYork, PA1184515686
- John Aaron, MDWest Grove, PA1427094531
- Todd Aaron, MDPhiladelphia, PA1457350522
- Joseph Abalos, M.D.Seneca, PA1215128434
- Mubasher Abbas, MDYork, PA1578978425
- Nicholas AbbottFarrell, PA1639525678
- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Marc H. Oster, MD's NPI number?
Marc H. Oster, MD's National Provider Identifier (NPI) is 1508813809, issued on May 30, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Marc H. Oster, MD located?
The NPPES record lists a practice address at 112 Marwood RD., Cabot, PA, 16023. Phone: (724) 352-4448. Providers update this record themselves, so call before visiting.
How can I verify Marc H. Oster, MD's license?
NPPES lists Pennsylvania license number MD428352, as entered by the provider. Search the Pennsylvania Department of State (PALS) at https://www.pals.pa.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Marc H. Oster, MD prescribe under Medicare Part D?
In 2024, Marc H. Oster, MD had 10,715 Medicare Part D claims for 377 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.