NPPES file of Aug 9, 2026

Owen Winston Williamson, M.D., P.C.

Specialist · Philadelphia, PA

Owen Winston Williamson, M.D., P.C. is a specialist with a practice address in Philadelphia, Pennsylvania, and NPI 1235335019, issued on Jun 26, 2007. Check the license (Pennsylvania MD021602E, as entered in NPPES) with the Pennsylvania board that licenses this profession; 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
1235335019
Name
Owen Winston Williamson
Credential
M.D., P.C.
Primary taxonomy
Specialist 174400000X
License number
MD021602E PA
Self-reported in NPPES; status is on the state search
Practice location
121 E Lehigh Ave, Philadelphia, PA 19125
Phone
(215) 739-2057
Enumerated
Jun 26, 2007
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(215) 643-6558
Medicaid ID
1007741300003 PA
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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Verify Owen Winston Williamson 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 MD021602E
    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.

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Owen Winston Williamson among 2,031 specialist records in Pennsylvania

Owen Winston Williamson, M.D., P.C. is one of 2,031 specialist records with a practice address in Pennsylvania. 40% 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 2007, is newer than 66% of them.

  • NPI issued2007 · 66% of these records are older, 26% newer
  • In a Medicare fileNo · 40% of these records are
  • In the CMS Doctors and Clinicians fileNo · 27% of these records are
  • Record last updated2007 · 69% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Specialist providers in Pennsylvania

There are 2,031 specialist records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 specialist records with the nearest ZIP codes

  1. David Austria, M.D.Philadelphia, PA 191261083716286
  2. Henrick Badkerhanian, M.D.Philadelphia, PA 191261619079738
  3. Larkerra Goodson, CPSPhiladelphia, PA 191241356803993
  4. Minda Magundayao, M.D.Philadelphia, PA 191261669492047
  5. Mukund Sheth, MDPhiladelphia, PA 191241407836570
  6. Linda TheaPhiladelphia, PA 191241255749958
  7. William Harvey, CERT'D ADV. ROLFERPhiladelphia, PA 191271598911240
  8. Laurie McKittrickPhiladelphia, PA 191271003152620

Common questions

What is Owen Winston Williamson, M.D., P.C.'s NPI number?

Owen Winston Williamson, M.D., P.C.'s National Provider Identifier (NPI) is 1235335019, issued on Jun 26, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Owen Winston Williamson, M.D., P.C. located?

The NPPES record lists a practice address at 121 E Lehigh Ave, Philadelphia, PA, 19125. Phone: (215) 739-2057. Providers update this record themselves, so call before visiting.

How can I verify Owen Winston Williamson, M.D., P.C.'s license?

NPPES lists Pennsylvania license number MD021602E, 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. 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.