NPPES file of Aug 9, 2026

Gary Gruen

Specialist · Pittsburgh, PA

Gary Gruen is a specialist with a practice address in Pittsburgh, Pennsylvania, and NPI 1952374860, issued on Feb 10, 2006. Check the license (Pennsylvania MD032636E, as entered in NPPES) with the Pennsylvania board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1952374860
Name
Gary Gruen
Primary taxonomy
Specialist 174400000X
License number
MD032636E PA
Self-reported in NPPES; status is on the state search
Practice location
3471 5TH Ave, Pittsburgh, PA 15213
Phone
(412) 687-3900
Enumerated
Feb 10, 2006
Record last updated
Apr 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 3471 5TH Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Samih Al Hayek, MDUrology Physician1518247428
  2. Sharvani Alajpur, MDStudent in an Organized Health Care Education/Training Program1740960913
  3. Kelley Anderson, DOSports Medicine (Family Medicine) Physician1528212271
  4. Margaret Andrzejewski, PA-CPhysician Assistant1578840468
  5. Mark BackerisAnesthesiology Physician1649407503
  6. Anto Bagic, MDEpilepsy Physician1851363170

Verify Gary Gruen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Pennsylvania board licenses this profession
    Search for license MD032636E
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Pennsylvania license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Industry payments in 2024: $146.54

1 payment: food and beverage; the largest payer was DePuy Synthes Sales Inc. The 5,844 providers of this specialty with any payment received $4,760.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Gary Gruen$146.54
  2. Specialty average$4,760.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

767 specialist records list a practice address in Pittsburgh

They are 767 of the 28,866 NPPES records with a practice address in Pittsburgh, and 2,031 specialist records in Pennsylvania.

Other specialist records in Pennsylvania

  1. Edwin Abbott, D.OWest Chester, PA1225244924
  2. Rula Abbud-AntakiAllison Park, PA1407241920
  3. Elie Abdallah, M.D.Greensburg, PA1528228947
  4. Raed Abdullah, MDPittsburgh, PA1962474353
  5. Steven Abo, MDPittsburgh, PA1669444766
  6. William AbrahamPittsburgh, PA1205805587
  7. Ya'Aqov Abrams, MDPittsburgh, PA1871565234
  8. Mohamad Abul-Ela, MDNew Castle, PA1649337411
  9. Jose Acosta, M.D.Lewistown, PA1831147933
  10. Jennifer Acquaviva, MPTPhiladelphia, PA1346366820

Common questions

What is Gary Gruen's NPI number?

Gary Gruen's National Provider Identifier (NPI) is 1952374860, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Gary Gruen located?

The NPPES record lists a practice address at 3471 5TH Ave, Pittsburgh, PA, 15213. Phone: (412) 687-3900. Providers update this record themselves, so call before visiting.

How can I verify Gary Gruen's license?

NPPES lists Pennsylvania license number MD032636E, as entered by the provider. Search the Pennsylvania board that licenses this profession; the NPPES record confirms identity 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.