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

Jeff R Willis, MD

Individual provider Gastroenterology Physician · NPI 1356385991

Jeff R Willis, MD is a Gastroenterology in Missoula, Montana. Graduated from Virginia Commonwealth University, School of Medicine in 1990, 36 years ago. Practices with Montana Gastroenterology, PLLC, a 24-clinician group and accepts Medicare assignment. Licensed in Montana and Virginia.

Years since qualifying
36
Trained at
Virginia Commonwealth University, School of Medicine
Licensed in
MT, VA
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

1930 W Broadway St Ste A
Missoula, MT 59808-1960
Phone: (406) 541-6844
Fax: (406) 541-6843
Show map & directions

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

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 56022 (MT)
Gastroenterology Physician Taxonomy 207RG0100X · Licence 0101059226 (VA)

Record details

NPI number1356385991
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 15, 2006
Last updated in NPPESOctober 7, 2024
Certification dateOctober 7, 2024

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolVIRGINIA COMMONWEALTH UNIVERSITY, SCHOOL OF MEDICINE
Graduated 1990 (36 years in practice)
Group practice Montana Gastroenterology, Pllc — 24 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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