NPPES file of Aug 9, 2026

Jill A. Clemmer, MD

Internal Medicine Physician · Philadelphia, PA

Jill A. Clemmer, MD is an internal medicine physician with a practice address in Philadelphia, Pennsylvania, and NPI 1477594562, issued on Jun 9, 2006. Check the license (Pennsylvania MD429027, as entered in NPPES) on the Pennsylvania Department of State (PALS); the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1477594562
Name
Jill A. Clemmer
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
MD429027 PA
Self-reported in NPPES; status is on the state search
Practice location
51 N 39TH, Philadelphia, PA 19104
Phone
(215) 662-9990
Enumerated
Jun 9, 2006
Record last updated
Nov 19, 2011 (not updated in 15 years: call before relying on the address or phone)
Medicaid ID
101671871 PA
Medicare enrollment
Enrolled (PECOS I20161021000891); accepts Medicare assignment
Medical or professional school
Perelman School Of Med At The University Of Pennsylvania, 2003
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 51 N 39TH

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

  1. Jonathan Frogel, MDAnesthesiology Physician1710996392

Verify Jill A. Clemmer 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 MD429027
    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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Bills Medicare through one group practice

  1. Mass General Brigham Medical Group Northern Massachusetts IncSalem, MA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jill A. Clemmer among 7,300 internal medicine physician records in Pennsylvania

Jill A. Clemmer, MD 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. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 64% newer
  • In a Medicare fileYes · 78% of these records are
  • In the CMS Doctors and Clinicians fileYes · 58% of these records are
  • Graduated2003 · median 2008 among the 4,208 with a school on file
  • Record last updated2011 · 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).

1,855 internal medicine physician records list a practice address in Philadelphia

They are 1,855 of the 42,849 NPPES records with a practice address in Philadelphia, and 7,300 internal medicine physician records in Pennsylvania.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Amy Behrman, MDPhiladelphia, PA 191041851331870
  2. Martin Bohnenkamp, MDPhiladelphia, PA 191041770528259
  3. John Bruza, MDPhiladelphia, PA 191041093758310
  4. John Flamma, MDPhiladelphia, PA 191041477500296
  5. Kevin Fosnocht, MDPhiladelphia, PA 191041003842709
  6. William Gilhool, DOPhiladelphia, PA 191041982606919
  7. Bruce Kinosian, MDPhiladelphia, PA 191041871536177
  8. Steven Larson, MDPhiladelphia, PA 191041700822996

Common questions

What is Jill A. Clemmer, MD's NPI number?

Jill A. Clemmer, MD's National Provider Identifier (NPI) is 1477594562, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jill A. Clemmer, MD located?

The NPPES record lists a practice address at 51 N 39TH, Philadelphia, PA, 19104. Phone: (215) 662-9990. Providers update this record themselves, so call before visiting.

How can I verify Jill A. Clemmer, MD's license?

NPPES lists Pennsylvania license number MD429027, 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. 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.