NPPES file of Aug 9, 2026

Alison Marie Thomas, MD

Obstetrics & Gynecology Physician · Royal Oak, MI

Alison Marie Thomas, MD is an obstetrics & gynecology physician with a practice address in Royal Oak, Michigan, and NPI 1982224838, issued on Apr 21, 2020. Check the license (Michigan 4351046206, 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
1982224838
Name
Alison Marie Thomas
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
4351046206 MI
Self-reported in NPPES; status is on the state search
Practice location
326 N Main St, Royal Oak, MI 48067
Phone
(248) 584-7600
Enumerated
Apr 21, 2020
Record last updated
Sep 17, 2024
Medicare enrollment
Enrolled (PECOS I20240717003172); 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 326 N Main St

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

  1. Janice-Lynne Best, CNMMidwife1619655479
  2. Paula Fishbaugh, MDObstetrics & Gynecology Physician1073504866
  3. Julie Hansen, CNMMidwife1225462278
  4. Jennifer Kaiserblase, MDObstetrics & Gynecology Physician1649486101
  5. Stormi Lewis, MDObstetrics & Gynecology Physician1285120535
  6. Lolonya Moore, MDObstetrics & Gynecology Physician1083839120

Verify Alison Marie Thomas 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 4351046206
    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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80% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

33 Medicare Part D claims for 21 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Alison Thomas33
  2. Specialty average165

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: $319.76

10 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 21,429 providers of this specialty with any payment received $1,030.61 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Alison Thomas$319.76
  2. Specialty average$1,030.61

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

Bills Medicare through 2 group practices

  1. Beaumont Medical Group Hospital Based ServicesRoyal Oak, MI
  2. Together Women's Health Medical Group, P.C.Royal Oak, MI

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

Alison Marie Thomas among 1,776 obstetrics & gynecology physician records in Michigan

Alison Marie Thomas, MD is one of 1,776 obstetrics & gynecology physician records with a practice address in Michigan. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.

  • NPI issued2020 · 81% of these records are older, 16% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2020 · median 2007 among the 1,003 with a school on file
  • Record last updated2024 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

66 obstetrics & gynecology physician records list a practice address in Royal Oak

They are 66 of the 3,887 NPPES records with a practice address in Royal Oak, and 1,776 obstetrics & gynecology physician records in Michigan.

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Paula Fishbaugh, MDRoyal Oak, MI 480671073504866
  2. Michael Genord, MDRoyal Oak, MI 480671073594198
  3. Jennifer Kaiserblase, MDRoyal Oak, MI 480671649486101
  4. Stormi Lewis, MDRoyal Oak, MI 480671285120535
  5. Lolonya Moore, MDRoyal Oak, MI 480671083839120
  6. Andrea Schiller, M.D.Royal Oak, MI 480671588678932
  7. Alyssa Schloop, MDRoyal Oak, MI 480671881115053
  8. Kathryn White, MDRoyal Oak, MI 480671619498599

Common questions

What is Alison Marie Thomas, MD's NPI number?

Alison Marie Thomas, MD's National Provider Identifier (NPI) is 1982224838, issued on Apr 21, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Alison Marie Thomas, MD located?

The NPPES record lists a practice address at 326 N Main St, Royal Oak, MI, 48067. Phone: (248) 584-7600. Providers update this record themselves, so call before visiting.

How can I verify Alison Marie Thomas, MD's license?

NPPES lists Michigan license number 4351046206, 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 Alison Marie Thomas, MD prescribe under Medicare Part D?

In 2024, Alison Marie Thomas, MD had 33 Medicare Part D claims for 21 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.