NPPES file of Aug 9, 2026

Thomas Felton Lyon, MD

Family Medicine Physician · Philadelphia, PA

Thomas Felton Lyon, MD is a family medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1740229954, issued on Jun 5, 2006. Check the license (Pennsylvania MD040590E, 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
1740229954
Name
Thomas Felton Lyon
Credential
MD
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
MD040590E PA
Self-reported in NPPES; status is on the state search
Practice location
760 Carpenter LN, Philadelphia, PA 19119
Phone
(215) 848-6880
Enumerated
Jun 5, 2006
Record last updated
Apr 13, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(215) 848-3333
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 family medicine physician records → All 7,483 in Pennsylvania → Look up another NPI →

Also registered at 760 Carpenter LN

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

  1. Deborah Clarke, MDFamily Medicine Physician1629038583
  2. Linda FederRegistered Dietitian1588897516
  3. Linda Good, MDFamily Medicine Physician1386699957
  4. Carrie Karhnak-Glasby, CRNPFamily Nurse Practitioner1114792686
  5. Lauren Kummer, MDFamily Medicine Physician1396180592
  6. Susan Leath, MDFamily Medicine Physician1700825957

Verify Thomas Felton Lyon 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 MD040590E    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

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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Thomas Felton Lyon among 7,483 family medicine physician records in Pennsylvania

Thomas Felton Lyon, MD is one of 7,483 family medicine physician records with a practice address in Pennsylvania. 79% 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 12% of them.

  • NPI issued2006 · 12% of these records are older, 53% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 61% of these records are
  • Record last updated2021 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

800 family medicine physician records list a practice address in Philadelphia

They are 800 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,483 family medicine physician records in Pennsylvania. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 7,483 in Pennsylvania → Every provider in Philadelphia → Family Medicine Physician nationwide →

The 8 family medicine physician records with the nearest ZIP codes

  1. Barry Bub, MDPhiladelphia, PA 191191740697663
  2. Deborah Clarke, MDPhiladelphia, PA 191191629038583
  3. Akili Debrady, MDPhiladelphia, PA 191191336155043
  4. Linda Good, MDPhiladelphia, PA 191191386699957
  5. Lauren Kummer, MDPhiladelphia, PA 191191396180592
  6. Susan Leath, MDPhiladelphia, PA 191191700825957
  7. David Lewis, MDPhiladelphia, PA 191191679554109
  8. Kelly Lopez, M.D.Philadelphia, PA 191191811332703

Common questions

What is Thomas Felton Lyon, MD's NPI number?

Thomas Felton Lyon, MD's National Provider Identifier (NPI) is 1740229954, issued on Jun 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Felton Lyon, MD located?

The NPPES record lists a practice address at 760 Carpenter LN, Philadelphia, PA, 19119. Phone: (215) 848-6880. Providers update this record themselves, so call before visiting.

How can I verify Thomas Felton Lyon, MD's license?

NPPES lists Pennsylvania license number MD040590E, 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.