Rajmund M. Niwinski, MD
Internal Medicine Physician · Pittsburgh, PA
Rajmund M. Niwinski, MD is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1326741901, issued on Mar 23, 2023. Check the license on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- Rajmund M. Niwinski
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 14172257-1205 UT
Self-reported in NPPES; status is on the state search - Practice location
- 3459 5TH Ave # NW628, Pittsburgh, PA 15213
- Phone
- (412) 692-2212
- Enumerated
- Mar 23, 2023
- Record last updated
- Mar 4, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →
Also registered at 3459 5TH Ave # NW628
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Rajmund M. Niwinski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)Check the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
26 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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.
Rajmund M. Niwinski among 7,300 internal medicine physician records in Pennsylvania
Rajmund M. Niwinski, MD 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 2023, is newer than 89% of them.
- NPI issued2023 · 89% of these records are older, 7% 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
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- Kristian Feterik, MDPittsburgh, PA 152131437113529
- Rosanne Granieri, MDPittsburgh, PA 152131629041512
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- Keith Lagnese, MDPittsburgh, PA 152131801859509
Common questions
What is Rajmund M. Niwinski, MD's NPI number?
Rajmund M. Niwinski, MD's National Provider Identifier (NPI) is 1326741901, issued on Mar 23, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Rajmund M. Niwinski, MD located?
The NPPES record lists a practice address at 3459 5TH Ave # NW628, Pittsburgh, PA, 15213. Phone: (412) 692-2212. Providers update this record themselves, so call before visiting.
How can I verify Rajmund M. Niwinski, MD's license?
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 Rajmund M. Niwinski, MD prescribe under Medicare Part D?
In 2024, Rajmund M. Niwinski, MD had 26 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.