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

Tristan A Seitz, MD

Individual provider Internal Medicine Physician · NPI 1568482925

Tristan A Seitz, MD is an Internal Medicine in Helena, Montana. Graduated from University of Washington School of Medicine in 1998, 28 years ago. Practices with St Peters Health, a 206-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
28
Trained at
University of Washington School of Medicine
Licensed in
MT
In the registry since
2006
Specialties on file
2
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

2475 E Broadway St
Helena, MT 59601-4928
Phone: (406) 457-4180
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 9881 (MT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 9881 (MT)

Record details

NPI number1568482925
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 20, 2006
Last updated in NPPESMarch 30, 2018
Mailing addressPo Box 6369, Helena, MT 59604-6369

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1998 (28 years in practice)
Group practice St Peters Health — 206 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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