Thomas J. Sinclair, MD
Internal Medicine Physician · West Chester, PA
Thomas J. Sinclair, MD is an internal medicine physician with a practice address in West Chester, Pennsylvania, and NPI 1255366183, issued on Jul 11, 2006. Check the license (Pennsylvania MD425124, as entered in NPPES) on the Pennsylvania Department of State (PALS); the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Thomas J. Sinclair
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- MD425124 PA
Self-reported in NPPES; status is on the state search - Practice location
- 701 E. Marshall St, West Chester, PA 19380
- Phone
- (610) 431-5262
- Enumerated
- Jul 11, 2006
- Record last updated
- Mar 21, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (610) 526-4082
- Entity
- Type 1 · individual
Also registered at 701 E. Marshall St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Thomas J. Sinclair in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD425124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
57 internal medicine physician records list a practice address in West Chester
They are 57 of the 2,831 NPPES records with a practice address in West Chester, 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 57 in West Chester → All 7,300 in Pennsylvania → Every provider in West Chester →
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- Sara Abbruzzi, D.O.Philadelphia, PA1689686313
- Ahmad Abdalla, MDPhiladelphia, PA1730981127
- Tori Abdalla, DOPhiladelphia, PA1942091699
- Hany Abdel, D.O.Plymouth Meeting, PA1164467262
Common questions
What is Thomas J. Sinclair, MD's NPI number?
Thomas J. Sinclair, MD's National Provider Identifier (NPI) is 1255366183, issued on Jul 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Thomas J. Sinclair, MD located?
The NPPES record lists a practice address at 701 E. Marshall St, West Chester, PA, 19380. Phone: (610) 431-5262. Providers update this record themselves, so call before visiting.
How can I verify Thomas J. Sinclair, MD's license?
NPPES lists Pennsylvania license number MD425124, 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.
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.