DR. ALISON MARIE THOMAS MD
NPI 1982224838
Obstetrics & Gynecology in Royal Oak, MI
About Dr. Alison Marie Thomas Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ALISON MARIE THOMAS MD (NPI 1982224838) is an individual obstetrics & gynecology provider in Royal Oak, Michigan, licensed in Michigan (4351046206) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, is affiliated with Beaumont Hospital Royal Oak, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Alison Marie Thomas Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Alison Thomas reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Royal Oak, MI 48073
- Reassigned Medicare billing, Michigan enrollment
- 946 clinicians in this Medicare group
Roseville, MI 48066
- Reassigned Medicare billing, Michigan enrollment
- 99 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Beaumont Hospital Royal Oak
Acute Care Hospitals · Royal Oak, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48067 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Alison Thomas's NPI number?
The NPI number for Alison Thomas is 1982224838. It was assigned to this individual provider in the NPPES registry on April 21, 2020.
Where is Alison Thomas located?
Alison Thomas practices at 326 N Main St, Royal Oak, MI 48067. The listed phone number is (248) 584-7600.
What is Alison Thomas's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Alison Thomas enrolled in Medicare?
Yes. Alison Thomas is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Alison Thomas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alison Thomas reassigns Medicare benefits to 2 organizations: Beaumont Medical Group Hospital -Based Services (Royal Oak, MI) and Together Women's Health Medical Group, P.C. (Roseville, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Alison Thomas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alison Thomas accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list Alison Thomas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Alison Thomas affiliated with any hospitals?
According to CMS data, Alison Thomas is affiliated with Beaumont Hospital Royal Oak.
When was this NPI record last updated?
The NPPES record for Alison Thomas was last updated on September 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Alison Marie Thomas, MD · NPI 1982224838
Obstetrics & Gynecology physician in Royal Oak, Michigan. Individual provider, active in the CMS NPPES registry since April 21, 2020.
## Identity
- **NPI:** 1982224838 (Entity type: Individual)
- **Enumerated:** April 21, 2020
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 4351046206 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 326 N MAIN ST, Royal Oak, MI 48067-4121
- **Phone:** (248) 584-7600
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Beaumont Medical Group Hospital -Based Services (NPI 1427567858, Royal Oak, MI); Together Women's Health Medical Group, P.C. (NPI 1750415915, Roseville, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** September 17, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1982224838) · Data from the CMS NPPES public registry.