Stephen J. Ritz, DO
Internal Medicine Physician · Pittsburgh, PA
Stephen J. Ritz, DO is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1730153123, issued on Feb 14, 2006. Check the license (Pennsylvania OS009119L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Stephen J. Ritz
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- OS009119L PA
Self-reported in NPPES; status is on the state search - Practice location
- 3937 Butler St, Pittsburgh, PA 15201
- Phone
- (412) 622-7343
- Enumerated
- Feb 14, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (412) 621-8235
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3937 Butler St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Stephen J. Ritz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license OS009119LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
98% fewer Medicare Part D claims than the average internal medicine physician in 2024
71 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Buprenorphine-Naloxone71 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.
Stephen J. Ritz among 7,300 internal medicine physician records in Pennsylvania
Stephen J. Ritz, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 64% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileNo · 58% of these records are
- Record last updated2026 · 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).
750 internal medicine physician records list a practice address in Pittsburgh
They are 750 of the 28,866 NPPES records with a practice address in Pittsburgh, and 7,300 internal medicine physician records in Pennsylvania.
All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Mona AnandPittsburgh, PA 152011730245713
- Shane Eikenberry, M.D.Pittsburgh, PA 152011528421443
- William Lamb, DOPittsburgh, PA 152011235103359
- Donald Middleton, MDPittsburgh, PA 152011609815299
- Keily OrtegaPittsburgh, PA 152011578365755
- David BlinnBellevue, PA 152021124091871
- Matthew Coppola, M.D.Pittsburgh, PA 152021528022944
- Syed Hussaini, MDBellevue, PA 152021740270032
Common questions
What is Stephen J. Ritz, DO's NPI number?
Stephen J. Ritz, DO's National Provider Identifier (NPI) is 1730153123, issued on Feb 14, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stephen J. Ritz, DO located?
The NPPES record lists a practice address at 3937 Butler St, Pittsburgh, PA, 15201. Phone: (412) 622-7343. Providers update this record themselves, so call before visiting.
How can I verify Stephen J. Ritz, DO's license?
NPPES lists Pennsylvania license number OS009119L, 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. Ritz, DO prescribe under Medicare Part D?
In 2024, Stephen J. Ritz, DO had 71 Medicare Part D claims; 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.