Registry data as of Aug 27, 2026

Thomas Siegel, M.D.

Vascular Surgery Physician · Dearborn, MI

Thomas Siegel, M.D. is a vascular surgery physician with a practice address in Dearborn, Michigan, and NPI 1821069303, issued on Jan 31, 2006. Check the license (Michigan 040981, 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
1821069303
Name
Thomas Siegel
Credential
M.D.
Primary taxonomy
Vascular Surgery Physician 2086S0129X
License number
040981 MI
Self-reported in NPPES; status is on the state search
Practice location
18181 Oakwood Blvd, Dearborn, MI 48124
Phone
(313) 593-0810
Enumerated
Jan 31, 2006
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 18181 Oakwood Blvd

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

  1. Todd Allen, MDObstetrics Physician1063492494
  2. Feda Almallouhi, M.D.Anesthesiology Physician1538127436
  3. Adeeb Atassi, M.D.Critical Care Medicine (Internal Medicine) Physician1013020254
  4. Melvyn Berent, RPHPharmacist1104948629
  5. Dolly Bondarian, M.D.Critical Care Medicine (Internal Medicine) Physician1679583504
  6. Roderick Boyes, M.D.Critical Care Medicine (Internal Medicine) Physician1669544037

Verify Thomas Siegel in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMichigan Board of Medicine
    Search for license 040981
    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.

64% fewer Medicare Part D claims than the average vascular surgery physician in 2024

76 Medicare Part D claims for 50 beneficiaries, against an average of 211 among the 3,020 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims. 35 claims were for opioids.

  1. Thomas Siegel76
  2. Specialty average211

Most prescribed

  1. Hydrocodone-Acetaminophen33 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.

Vascular Surgery Physician providers in Michigan

There are 147 vascular surgery physician records in Michigan.

Other vascular surgery physician records in Michigan

  1. Abedel Abushmaies, MDBattle Creek, MI1003875840
  2. Ajibola Akingba, M.D.Clinton Township, MI1689813479
  3. Syed Alam, MDBattle Creek, MI1619135480
  4. Babatunde Almaroof, M.D.Flint, MI1972768570
  5. David Amalfitano, D.O.Traverse City, MI1386646636
  6. Kourosh Baghelai, M.D.Saint Joseph, MI1366434987
  7. Jennifer Baker, MDFlint, MI1619233293
  8. Hisham Bassiouny, MDDetroit, MI1801951637
  9. Ronald Bays, MDSaginaw, MI1073596037
  10. Mazen Bazzi, D.O.Livonia, MI1356590459

Common questions

What is Thomas Siegel, M.D.'s NPI number?

Thomas Siegel, M.D.'s National Provider Identifier (NPI) is 1821069303, issued on Jan 31, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Thomas Siegel, M.D. located?

The NPPES record lists a practice address at 18181 Oakwood Blvd, Dearborn, MI, 48124. Phone: (313) 593-0810. Providers update this record themselves, so call before visiting.

How can I verify Thomas Siegel, M.D.'s license?

NPPES lists Michigan license number 040981, 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 Thomas Siegel, M.D. prescribe under Medicare Part D?

In 2024, Thomas Siegel, M.D. had 76 Medicare Part D claims for 50 beneficiaries; the average among vascular surgery physician prescribers was 211. 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.