NPPES file of Aug 9, 2026

Joseph Lee Young, MD, PHD

Geriatric Medicine (Internal Medicine) Physician · Philadelphia, PA

Joseph Lee Young, MD, PHD is a geriatric medicine (internal medicine) physician with a practice address in Philadelphia, Pennsylvania, and NPI 1558945709, issued on May 12, 2021. Check the license (Pennsylvania MD490415, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1558945709
Name
Joseph Lee Young
Credential
MD, PHD
Primary taxonomy
Geriatric Medicine (Internal Medicine) Physician 207RG0300X
License number
MD490415 PA
Self-reported in NPPES; status is on the state search
Practice location
3615 Chestnut St, Philadelphia, PA 19104
Phone
(215) 964-7113
Enumerated
May 12, 2021
Record last updated
Jul 24, 2025
Medicare enrollment
Enrolled (PECOS I20250728002728); accepts Medicare assignment
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 3615 Chestnut St

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

  1. Patricia Boken, MDFamily Medicine Physician1376523977
  2. Lesley Carson, MDGeriatric Medicine (Internal Medicine) Physician1962443390
  3. David Casarett, MDGeriatric Medicine (Internal Medicine) Physician1144326976
  4. Hishen Dang, D.O.Geriatric Medicine (Family Medicine) Physician1164879862
  5. William Edwards, CRNPGerontology Nurse Practitioner1992869200
  6. Shannon Eimer, CRNPGerontology Nurse Practitioner1972028140

Verify Joseph Lee Young 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 MD490415
    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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90% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024

445 Medicare Part D claims for 73 beneficiaries, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.

  1. Joseph Young445
  2. Specialty average4,246

Most prescribed

  1. Atorvastatin Calcium44 claims
  2. Amlodipine Besylate31 claims
  3. Gabapentin30 claims
  4. Fluticasone Propionate19 claims
  5. Metoprolol Succinate19 claims
  6. Lisinopril-Hydrochlorothiazide15 claims

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.

Bills Medicare through one group practice

  1. University OF Penn - Medical GroupPhiladelphia, PA

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

Joseph Lee Young among 228 geriatric medicine (internal medicine) physician records in Pennsylvania

Joseph Lee Young, MD, PHD is one of 228 geriatric medicine (internal medicine) physician records with a practice address in Pennsylvania. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 97% of them.

  • NPI issued2021 · 97% of these records are older, 2% newer
  • In a Medicare fileYes · 72% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated2021 · median 1998 among the 115 with a school on file
  • Record last updated2025 · 65% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Pennsylvania practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Geriatric Medicine (Internal Medicine) Physician providers in Pennsylvania

There are 228 geriatric medicine (internal medicine) physician records in Pennsylvania.

The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes

  1. Lesley Carson, MDPhiladelphia, PA 191041962443390
  2. Mary Ann Forciea, MDPhiladelphia, PA 191041992746754
  3. Mary Hofmann, MDPhiladelphia, PA 191041598761835
  4. Jerry Johnson, MDPhiladelphia, PA 191041669415972
  5. Jennifer Kapo, MDPhiladelphia, PA 191041871536185
  6. Jason Karlawish, MDPhiladelphia, PA 191041972546281
  7. William Kavesh, M.D.Philadelphia, PA 191041265545867
  8. Sefi Knoble, M.D.Philadelphia, PA 191041649222860

Common questions

What is Joseph Lee Young, MD, PHD's NPI number?

Joseph Lee Young, MD, PHD's National Provider Identifier (NPI) is 1558945709, issued on May 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Joseph Lee Young, MD, PHD located?

The NPPES record lists a practice address at 3615 Chestnut St, Philadelphia, PA, 19104. Phone: (215) 964-7113. Providers update this record themselves, so call before visiting.

How can I verify Joseph Lee Young, MD, PHD's license?

NPPES lists Pennsylvania license number MD490415, 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 Joseph Lee Young, MD, PHD prescribe under Medicare Part D?

In 2024, Joseph Lee Young, MD, PHD had 445 Medicare Part D claims for 73 beneficiaries; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.