NPPES file of Aug 9, 2026

Jason Kahn, MD

Internal Medicine Physician · Ann Arbor, MI

Jason Kahn, MD is an internal medicine physician with a practice address in Ann Arbor, Michigan, and NPI 1659393056, issued on Jul 24, 2006. Check the license (Michigan 4301074181, as entered in NPPES) on the Michigan Board of Medicine (LARA); 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
1659393056
Name
Jason Kahn
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301074181 MI
Self-reported in NPPES; status is on the state search
Practice location
4260 Plymouth RD, Ann Arbor, MI 48109
Phone
(734) 647-5670
Enumerated
Jul 24, 2006
Record last updated
Oct 22, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(734) 647-6661
Medicare enrollment
Enrolled (PECOS I20040622000669); accepts Medicare assignment
Medical or professional school
University Of Rochester School Of Medicine And Dentistry, 1999
Telehealth
Offers telehealth (CMS)
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 4260 Plymouth RD

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

  1. Regina Abney, MSWClinical Social Worker1518009877
  2. Michelle Adgate, MSWClinical Social Worker1942063235
  3. Neil Alexander, MDGeriatric Medicine (Internal Medicine) Physician1760563118
  4. Marjorie Almeda, DOGeriatric Medicine (Internal Medicine) Physician1295740728
  5. James Baker, MDPediatrics Physician1790791952
  6. Sami Barmada, MD, PHDNeurology Physician1144247891

Verify Jason Kahn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
    Search for license 4301074181
    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 Michigan 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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66% fewer Medicare Part D claims than the average internal medicine physician in 2024

1,092 Medicare Part D claims for 117 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 53 claims were for opioids.

  1. Jason Kahn1,092
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium134 claims
  2. Omeprazole80 claims
  3. Levothyroxine Sodium66 claims
  4. Gabapentin60 claims
  5. Losartan Potassium42 claims
  6. Lisinopril30 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. Regents OF The University OF MichiganAnn Arbor, MI

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

Jason Kahn among 5,735 internal medicine physician records in Michigan

Jason Kahn, MD is one of 5,735 internal medicine physician records with a practice address in Michigan. 79% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 60% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1999 · median 2006 among the 3,564 with a school on file
  • Record last updated2020 · 54% 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 Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

479 internal medicine physician records list a practice address in Ann Arbor

They are 479 of the 15,616 NPPES records with a practice address in Ann Arbor, and 5,735 internal medicine physician records in Michigan.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Lawrence An, M.D.Ann Arbor, MI 481091003850611
  2. John Ayanian, MDAnn Arbor, MI 481091164488805
  3. Daniel Berland, MDAnn Arbor, MI 481091063417731
  4. Marian Boxer, M.D.Ann Arbor, MI 481091932176906
  5. Rawden Evans, MDAnn Arbor, MI 481091699718395
  6. Janice Farrehi, MDAnn Arbor, MI 481091689616310
  7. Jason Ham, MB, BCH, BAOAnn Arbor, MI 481091275513624
  8. Min Jiang, MDAnn Arbor, MI 481091194782490

Common questions

What is Jason Kahn, MD's NPI number?

Jason Kahn, MD's National Provider Identifier (NPI) is 1659393056, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Kahn, MD located?

The NPPES record lists a practice address at 4260 Plymouth RD, Ann Arbor, MI, 48109. Phone: (734) 647-5670. Providers update this record themselves, so call before visiting.

How can I verify Jason Kahn, MD's license?

NPPES lists Michigan license number 4301074181, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jason Kahn, MD prescribe under Medicare Part D?

In 2024, Jason Kahn, MD had 1,092 Medicare Part D claims for 117 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.