Thomas A Oas, MD
Individual provider Active NPI Occupational Medicine Physician · Northfield, MN
NPI 1104876010 · NPPES record last updated Jul 13, 2026
Key facts
- NPI
- 1104876010
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Occupational Medicine Physician 2083X0100X
- License
- 21058 (MN)
- Practice address
- 710 Division St S
Northfield, MN 55057-2468 - Phone
- (507) 646-1494
- NPI assigned
- May 11, 2006
- Sex
- Male
- Sole proprietor
- No
Medicare participation
- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
- Medicare enrollment (NPD)
- No
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 21058 | MN | MD | Occupational Medicine Physician |
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Occupational Medicine Physician | 2083X0100X | 21058 | MN | Yes |
Addresses
Primary practice location
710 Division St S
Northfield, MN 55057-2468
Mailing address
710 Division St S
Northfield, MN 55057-2468
Phone (507) 646-1494
Other providers in Northfield, MN
- Northfield School of Arts and Technology
- Northfield Urgent Care LLC
- Nutrition Proportion
- Patrick William O'Neill
- Madalyn Sue O'Reilly
- Old Growth Healing LLC
- Oliinc MGMT & Consulting LLC
- Sarah Jo Olin
- Douglas V Olmanson
- Daniel F Olsen
All providers in Northfield, MN · Occupational Medicine Physician in Minnesota
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jul 13, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.