John T. Williams, MD
Orthopaedic Surgery Physician · Philadelphia, PA
John T. Williams, MD is an orthopaedic surgery physician with a practice address in Philadelphia, Pennsylvania, and NPI 1598733073, issued on Mar 9, 2006. Check the license (Pennsylvania MD029310L, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.
- Name
- John T. Williams
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- MD029310L PA
Self-reported in NPPES; status is on the state search - Practice location
- 5501 Old York RD, Philadelphia, PA 19141
- Phone
- (215) 456-7900
- Enumerated
- Mar 9, 2006
- Record last updated
- Jul 13, 2026
- Fax
- (215) 456-3428
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,253 in Pennsylvania → Look up another NPI →
Also registered at 5501 Old York RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John T. Williams in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersPennsylvania Department of State (PALS)
Search for license MD029310LCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
39 Medicare Part D claims, against an average of 346 among the 16,516 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.
John T. Williams among 1,253 orthopaedic surgery physician records in Pennsylvania
John T. Williams, MD is one of 1,253 orthopaedic surgery physician records with a practice address in Pennsylvania. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 21% of them.
- NPI issued2006 · 21% of these records are older, 48% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% 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 207X00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Orthopaedic Surgery Physician providers in Pennsylvania
There are 1,253 orthopaedic surgery physician records in Pennsylvania.
All 1,253 in Pennsylvania → Every provider in Philadelphia → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Richard Grant, MDPhiladelphia, PA 191411528087988
- John Handal, MDPhiladelphia, PA 191411730157314
- Lee Kripke, MDPhiladelphia, PA 191411063907004
- Sue Lee, MDPhiladelphia, PA 191411083672117
- Robert Liebenberg, MDPhiladelphia, PA 191411346202108
- Seyedalireza MirghasemiPhiladelphia, PA 191411063908291
- Julius Oni, MDPhiladelphia, PA 191411083810428
- Harrison PotakPhiladelphia, PA 191411578069241
Common questions
What is John T. Williams, MD's NPI number?
John T. Williams, MD's National Provider Identifier (NPI) is 1598733073, issued on Mar 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John T. Williams, MD located?
The NPPES record lists a practice address at 5501 Old York RD, Philadelphia, PA, 19141. Phone: (215) 456-7900. Providers update this record themselves, so call before visiting.
How can I verify John T. Williams, MD's license?
NPPES lists Pennsylvania license number MD029310L, 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.
How much does John T. Williams, MD prescribe under Medicare Part D?
In 2024, John T. Williams, MD had 39 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.