NPPES file of Aug 9, 2026

Jason Knight, M.D.

Rheumatology Physician · Ann Arbor, MI

Jason Knight, M.D. is a rheumatology physician with a practice address in Ann Arbor, Michigan, and NPI 1578763132, issued on Jul 23, 2007. Check the license (Michigan 4301090104, 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
1578763132
Name
Jason Knight
Credential
M.D.
Primary taxonomy
Rheumatology Physician 207RR0500X
License number
4301090104 MI
Self-reported in NPPES; status is on the state search
Practice location
1500 E Medical Center Dr, Ann Arbor, MI 48109
Phone
(734) 936-4000
Enumerated
Jul 23, 2007
Record last updated
Nov 15, 2019 (not updated in 7 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20120806000725); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 2007
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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8 nearest rheumatology physician records → All 226 in Michigan → Look up another NPI →

Also registered at 1500 E Medical Center Dr

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

  1. Bryan Aaron, MDObstetrics & Gynecology Physician1578307724
  2. Keith Aaronson, MDAdvanced Heart Failure and Transplant Cardiology Physician1144305301
  3. Rajani Aatre, M.S., M.SC.Genetic Counselor (M.S.)1962122457
  4. Anjelica Abate, MDDiagnostic Radiology Physician1841819216
  5. Nicole Abbott, CRNACertified Registered Nurse Anesthetist1790329860
  6. Ahmed Abdel-Latif, M.D.Interventional Cardiology Physician1518181239

Verify Jason Knight 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 4301090104    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

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65% fewer Medicare Part D claims than the average rheumatology physician in 2024

696 Medicare Part D claims for 66 beneficiaries, against an average of 1,978 among the 6,301 providers of this specialty who prescribed in Part D.

  1. Jason Knight696
  2. Specialty average1,978

Most prescribed

  1. Hydroxychloroquine Sulfate147 claims
  2. Prednisone72 claims
  3. Benlysta62 claims
  4. Mycophenolate Mofetil42 claims
  5. Pentoxifylline23 claims
  6. Warfarin Sodium23 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.

Industry payments in 2024: $5,837.00

3 payments; by number, the most common kind was consulting fee; the largest payer was Otsuka Pharmaceutical Development & Commercialization, Inc. The 4,486 providers of this specialty with any payment received $8,538.33 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jason Knight$5,837.00
  2. Specialty average$8,538.33

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

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 Knight among 226 rheumatology physician records in Michigan

Jason Knight, M.D. is one of 226 rheumatology physician records with a practice address in Michigan. 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 2007, is newer than 51% of them.

  • NPI issued2007 · 51% of these records are older, 40% newer
  • In a Medicare fileYes · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 69% of these records are
  • Graduated2007 · median 2003 among the 156 with a school on file
  • Record last updated2019 · 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 207RR0500X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Rheumatology Physician providers in Michigan

There are 226 rheumatology physician records in Michigan.

All 226 in Michigan → Every provider in Ann Arbor → Rheumatology Physician nationwide →

The 8 rheumatology physician records with the nearest ZIP codes

  1. Daniel Clauw, MDAnn Arbor, MI 481091518042126
  2. Inocencio Cuesta, MDAnn Arbor, MI 481091992746820
  3. David Fox, MDAnn Arbor, MI 481091154406767
  4. Samardeep Gupta, M.D.Ann Arbor, MI 481091891712253
  5. Joseph Holoshitz, MDAnn Arbor, MI 481091508941113
  6. Mariana Kaplan, MDAnn Arbor, MI 481091235214842
  7. Puja Khanna, MDAnn Arbor, MI 481091396825071
  8. Timothy Laing, MDAnn Arbor, MI 481091396820908

Common questions

What is Jason Knight, M.D.'s NPI number?

Jason Knight, M.D.'s National Provider Identifier (NPI) is 1578763132, issued on Jul 23, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Jason Knight, M.D. located?

The NPPES record lists a practice address at 1500 E Medical Center Dr, Ann Arbor, MI, 48109. Phone: (734) 936-4000. Providers update this record themselves, so call before visiting.

How can I verify Jason Knight, M.D.'s license?

NPPES lists Michigan license number 4301090104, 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 Knight, M.D. prescribe under Medicare Part D?

In 2024, Jason Knight, M.D. had 696 Medicare Part D claims for 66 beneficiaries; the average among rheumatology physician prescribers was 1,978. 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.

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.