NPPES file of Aug 9, 2026

Thomas C. Grau, M.D.

Internal Medicine Physician · Pittsburgh, PA

Thomas C. Grau, M.D. is an internal medicine physician with a practice address in Pittsburgh, Pennsylvania, and NPI 1366476889, issued on Jul 10, 2006. Check the license (Pennsylvania MD042806-E, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1366476889
Name
Thomas C. Grau
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD042806-E PA
Self-reported in NPPES; status is on the state search
Practice location
5200 Centre Ave, Pittsburgh, PA 15232
Phone
(412) 623-2458
Enumerated
Jul 10, 2006
Record last updated
Aug 30, 2013 (not updated in 13 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.
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8 nearest internal medicine physician records → All 7,300 in Pennsylvania → Look up another NPI →

Also registered at 5200 Centre Ave

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

  1. Hassan AlhassanStudent in an Organized Health Care Education/Training Program1073136206
  2. Eric Anish, MDSpecialist1316919707
  3. George Arnold, M.D.Gastroenterology Physician1316903677
  4. M Ayasso, M.D.Legal Medicine1295726693
  5. Miranda BabiakSpeech-Language Pathologist1366882532
  6. William BarringtonClinical Cardiac Electrophysiology Physician1356313613

Verify Thomas C. Grau in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
    Search for license MD042806-E    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
Open the Pennsylvania license search

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Thomas C. Grau among 7,300 internal medicine physician records in Pennsylvania

Thomas C. Grau, M.D. 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 not. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileNo · 78% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2013 · 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. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,300 in Pennsylvania → Every provider in Pittsburgh → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Frank Brown, MDPittsburgh, PA 152321922070622
  2. David DemoisePittsburgh, PA 152321174623656
  3. Ellen Dillinger, MDPittsburgh, PA 152321326141995
  4. Michelina Fato, M.D.Pittsburgh, PA 152321790748721
  5. George Gleeson, MDPittsburgh, PA 152321881797454
  6. Bernadette HarrisPittsburgh, PA 152321700878774
  7. Elmer Holzinger, MDPittsburgh, PA 152321841393428
  8. Louis LeffPittsburgh, PA 152321962505537

Common questions

What is Thomas C. Grau, M.D.'s NPI number?

Thomas C. Grau, M.D.'s National Provider Identifier (NPI) is 1366476889, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas C. Grau, M.D. located?

The NPPES record lists a practice address at 5200 Centre Ave, Pittsburgh, PA, 15232. Phone: (412) 623-2458. Providers update this record themselves, so call before visiting.

How can I verify Thomas C. Grau, M.D.'s license?

NPPES lists Pennsylvania license number MD042806-E, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.