Stephen J. Matse, DO
Internal Medicine Physician · Johnstown, PA
Stephen J. Matse, DO is an internal medicine physician with a practice address in Johnstown, Pennsylvania, and NPI 1427054642, issued on Jun 22, 2005. Check the license (Pennsylvania OS009806L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen J. Matse
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS009806L PA
Self-reported in NPPES; status is on the state search - Practice location
- 100 Hostetler RD, Johnstown, PA 15904
- Phone
- (814) 240-3432
- Enumerated
- Jun 22, 2005
- Record last updated
- May 24, 2022
- Fax
- (814) 254-4533
- Medicaid ID
- 001766005 PA
- Medicare enrollment
- Enrolled (PECOS I20071022000237); accepts Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 1994
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 100 Hostetler RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen J. Matse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS009806LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.5 times the Medicare Part D claims of the average internal medicine physician in 2024
11,045 Medicare Part D claims for 632 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 113 claims were for opioids.
Most prescribed
- Atorvastatin Calcium590 claims
- Levothyroxine Sodium451 claims
- Lisinopril442 claims
- Pantoprazole Sodium413 claims
- Gabapentin319 claims
- Hydrochlorothiazide307 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.
Industry payments in 2024: $1,111.20
71 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Phoenix Rehabilitation And Health Services IncCranberry Twp, PA
- Prime Care Providers LLCJohnstown, PA
- Vantage Physical Therapy And Rehabilitation IncJohnstown, PA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Stephen J. Matse among 7,300 internal medicine physician records in Pennsylvania
Stephen J. Matse, DO is one of 7,300 internal medicine physician records with a practice address in Pennsylvania. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 91% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1994 · median 2008 among the 4,208 with a school on file
- Record last updated2022 · 56% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
86 internal medicine physician records list a practice address in Johnstown
They are 86 of the 1,724 NPPES records with a practice address in Johnstown, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Johnstown → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Francis Madden, MDJohnstown, PA 159041770696619
- Vijay Malhotra, M.DJohnstown, PA 159041467598755
- Joseph Sobieski, MDJohnstown, PA 159041558355784
- Deepthi Yarramsetty, MDJohnstown, PA 159041811506546
- Henry Baldinucci, MDJohnstown, PA 159051942204888
- Martin Bolinger, DOJohnstown, PA 159051679673859
- Elizabeth Dunmore, MDJohnstown, PA 159051548254816
- Balkissoon Maharajh, MDJohnstown, PA 159051679559272
Common questions
What is Stephen J. Matse, DO's NPI number?
Stephen J. Matse, DO's National Provider Identifier (NPI) is 1427054642, issued on Jun 22, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Matse, DO located?
The NPPES record lists a practice address at 100 Hostetler RD, Johnstown, PA, 15904. Phone: (814) 240-3432. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Matse, DO's license?
NPPES lists Pennsylvania license number OS009806L, 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 Stephen J. Matse, DO prescribe under Medicare Part D?
In 2024, Stephen J. Matse, DO had 11,045 Medicare Part D claims for 632 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.