Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Thomas J McMahon, MD

Individual provider Surgery Physician · NPI 1558399709

Dr. Thomas J McMahon, MD is a General Surgery in Anaconda, Montana. Qualified in 1989, 37 years ago. Works from 5 locations and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
37
Licensed in
MT
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

305 W Pennsylvania Ave
Anaconda, MT 59711-1900
Phone: (406) 563-8571
Fax: (406) 563-8523
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (4)

  • 2827 Fort Missoula Rd, Missoula, MT 59804-7408 — (406) 728-4100
  • 710 Birchwood Ave Ste 101, Bellingham, WA 98225-1720 — (360) 676-0922
  • 2901 Squalicum Pkwy, Bellingham, WA 98225-1851 — (360) 734-5400
  • 520 N 4th Ave, Pasco, WA 99301-5257 — (509) 547-7704

Specialties & licences

Surgery Physician (primary) Taxonomy 208600000X · Licence 8098 (MT)

Record details

NPI number1558399709
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 28, 2006
Last updated in NPPESJanuary 12, 2024
Certification dateJanuary 12, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGENERAL SURGERY
Medical schoolOTHER
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations6 on file with Medicare

Other providers in Anaconda