Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. THOMAS A OAS MD
NPI 1104876010
Preventive Medicine - Occupational Medicine in Northfield, MN

Q: What is Thomas Oas's NPI number?

The NPI number for Thomas Oas is 1104876010. It was assigned to this individual provider in the NPPES registry on May 11, 2006.

Q: What is Thomas Oas's specialty?

The primary specialty registered for this NPI is Preventive Medicine, specializing in Occupational Medicine, with taxonomy code 2083X0100X.

Q: When was this NPI record last updated?

The NPPES record for Thomas Oas was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 27 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.

Active since May 11, 2006

710 DIVISION ST S, NORTHFIELD, MN 55057(507) 646-1494 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Dr. Thomas A Oas Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. THOMAS A OAS MD (NPI 1104876010) is an individual occupational medicine provider in Northfield, Minnesota, licensed in Minnesota (21058) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1104876010

Entity TypeIndividualMale

Primary Taxonomy2083X0100X

Provider Legal NameDR. THOMAS A OASCredential: MD

Location Address710 DIVISION ST SNorthfield, MN 55057-2468

Mailing Address710 Division St SNorthfield, MN 55057-2468 · (507) 646-1494

Phone(507) 646-1494

Sole ProprietorNo

Enumeration DateMay 11, 2006

Last NPPES UpdateJuly 13, 2026

✔ NPI 1104876010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPreventive Medicine · Occupational MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2083X0100X

License✔ Licensed in MN · 21058

Definition

Occupational medicine focuses on the health of workers, including the ability to perform work; the physical, chemical, biological, and social environments of the workplace; and the health outcomes of environmental exposures. Practitioners in this field address the promotion of health in the work place, and the prevention and management of occupational and environmental injury, illness, and disability.

710 DIVISION ST S, Northfield, MN 55057

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Other Providers at the Same Location NPPES 5

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