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

Thomas A Warr, MD

Individual provider Hematology & Oncology Physician · NPI 1356342208

Thomas A Warr, MD is a Medical Oncology in Great Falls, Montana. Graduated from Vanderbilt University School of Medicine in 1981, 45 years ago. Practices with Great Falls Clinic LLC, a 72-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
45
Trained at
Vanderbilt University School of Medicine
Licensed in
MT
In the registry since
2005
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

3000 15th Ave S
Great Falls, MT 59405-5240
Phone: (406) 454-2171
Fax: (406) 771-3082
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hematology & Oncology Physician (primary) Taxonomy 207RH0003X · Licence 6376 (MT)

Record details

NPI number1356342208
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 2, 2005
Last updated in NPPESOctober 16, 2014
Mailing address3000 15th Ave S, Great Falls, MT 59405-5240

Medicare enrollment

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

Medicare specialtyMEDICAL ONCOLOGY
Also practisesHEMATOLOGY, INTERNAL MEDICINE
Medical schoolVANDERBILT UNIVERSITY SCHOOL OF MEDICINE
Graduated 1981 (45 years in practice)
Group practice Great Falls Clinic Llc — 72 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

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