Registry data as of Aug 27, 2026

Shan Ansari, M.D.

Internal Medicine Physician · Chelsea, MI

Shan Ansari, M.D. is an internal medicine physician with a practice address in Chelsea, Michigan, and NPI 1720108152, issued on Mar 30, 2007. Check the license (Michigan 4301084530, as entered in NPPES) on the Michigan Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1720108152
Name
Shan Ansari
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
4301084530 MI
Self-reported in NPPES; status is on the state search
Practice location
14288 E Old US Highway 12 Ste 200, Chelsea, MI 48118
Phone
(734) 475-8677
Enumerated
Mar 30, 2007
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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Also registered at 14288 E Old US Highway 12 Ste 200

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

  1. Ahmed Abuzoor, MDStudent in an Organized Health Care Education/Training Program1245972900

Verify Shan Ansari in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 4301084530
    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.

82% fewer Medicare Part D claims than the average internal medicine physician in 2024

501 Medicare Part D claims for 224 beneficiaries, against an average of 2,785 among the 127,794 providers of this specialty who prescribed in Part D. 11 claims were for opioids.

  1. Shan Ansari501
  2. Specialty average2,785

Most prescribed

  1. Atorvastatin Calcium29 claims
  2. Amlodipine Besylate24 claims
  3. Eliquis23 claims
  4. Fluticasone Propionate21 claims
  5. Azithromycin18 claims
  6. Albuterol Sulfate Hfa17 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.

One hospital or facility affiliation

  1. Iha Health Services CorporationAnn Arbor, MI

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

10 internal medicine physician records list a Chelsea practice address

They are 10 of the 500 NPPES records with a Chelsea practice address, and 6,589 internal medicine physician records in Michigan.

Other internal medicine physician records in Michigan

  1. Keith Aaronson, MDAnn Arbor, MI1144305301
  2. Tomas Abalo, M.D.Iron Mountain, MI1336199975
  3. Ali Abbas, M.D.Pontiac, MI1972167526
  4. Hawazin Abbas, MDAuburn Hills, MI1699020677
  5. Imran Abbasi, D.O.Warren, MI1427409887
  6. Ramzi Abbasi, MDSaginaw, MI1164270005
  7. Saadat Abbasi, MDKalamazoo, MI1912005596
  8. Shahzaman Abbasi, MDLansing, MI1376512111
  9. Youssef Abbiss, D.O.Mount Clemens, MI1982991881
  10. Joseph Abbo, MDYpsilanti, MI1982136503

Common questions

What is Shan Ansari, M.D.'s NPI number?

Shan Ansari, M.D.'s National Provider Identifier (NPI) is 1720108152, issued on Mar 30, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Shan Ansari, M.D. located?

The NPPES record lists a practice address at 14288 E Old US Highway 12 Ste 200, Chelsea, MI, 48118. Phone: (734) 475-8677. Providers update this record themselves, so call before visiting.

How can I verify Shan Ansari, M.D.'s license?

NPPES lists Michigan license number 4301084530, as entered by the provider. Search the Michigan Board of Medicine at https://www.michigan.gov/lara/bureau-list/bpl/health/hp-lic-health-prof/medical. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Shan Ansari, M.D. prescribe under Medicare Part D?

In 2024, Shan Ansari, M.D. had 501 Medicare Part D claims for 224 beneficiaries; the average among internal medicine physician prescribers was 2,785. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.