DR. THOMAS A. O'NEIL M.D.
NPI 1407019136
Family Medicine in Livonia, MI
About Dr. Thomas A. O'neil M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. THOMAS A. O'NEIL M.D. (NPI 1407019136) is an individual family medicine provider in Livonia, Michigan, licensed in Michigan (4301092471) and active in the NPI registry since July 2008. He is enrolled in Medicare PECOS, maintains a secondary practice location in Alpena, and is a graduate of Wayne State University School Of Medicine (2008).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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. Thomas A. O'neil M.d. 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
3Medicare enrollment records show Thomas O'neil reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Ann Arbor, MI 48103
- Reassigned Medicare billing, Michigan enrollment
- 45 clinicians in this Medicare group
Ann Arbor, MI 48103
- Reassigned Medicare billing, Michigan enrollment
Kalamazoo, MI 49007
- Reassigned Medicare billing, Michigan enrollment
- 20 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48152 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 5
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 Thomas O'neil's NPI number?
The NPI number for Thomas O'neil is 1407019136. It was assigned to this individual provider in the NPPES registry on July 2, 2008.
Where is Thomas O'neil located?
Thomas O'neil practices at 20321 Farmington Road, Livonia, MI 48152. The listed phone number is (248) 888-9000.
What is Thomas O'neil's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Thomas O'neil enrolled in Medicare?
Yes. Thomas O'neil 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 Thomas O'neil's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas O'neil reassigns Medicare benefits to 3 organizations: Northstar Palliative Care Inc (Ann Arbor, MI), Northstar Evercare (Ann Arbor, MI) and Hospice Care Of Southwest Michigan (Kalamazoo, 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 Thomas O'neil's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas O'neil accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 1 other insurer list Thomas O'neil 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.
When was this NPI record last updated?
The NPPES record for Thomas O'neil was last updated on October 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days 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. Thomas A. O'neil, M.D. · NPI 1407019136
Family Medicine physician in Livonia, Michigan. Individual provider, active in the CMS NPPES registry since July 2, 2008.
## Identity
- **NPI:** 1407019136 (Entity type: Individual)
- **Enumerated:** July 2, 2008
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 4301092471 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 20321 FARMINGTON ROAD, Livonia, MI 48152
- **Phone:** (248) 888-9000
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Northstar Palliative Care Inc (NPI 1033638077, Ann Arbor, MI); Northstar Evercare (NPI 1114859881, Ann Arbor, MI); Hospice Care Of Southwest Michigan (NPI 1235197401, Kalamazoo, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Wayne State University School Of Medicine, class of 2008
## Record status
- **NPPES last updated:** October 14, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1407019136) · Data from the CMS NPPES public registry.