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

Dr. Wallace Chester Walker, MD

Individual provider Family Medicine Physician · NPI 1740279389

Dr. Wallace Chester Walker, MD is a Family Practice in Big Timber, Montana. Graduated from George Washington University School of Medicine in 1984, 42 years ago. Practices with Crazy Mountain Family Medicine, a 2-clinician group and accepts Medicare assignment. Licensed in Montana.

Years since qualifying
42
Trained at
George Washington 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.

See every abbreviation used in this directory →

Practice location Address checks out

225 Big Timber Loop Rd
Big Timber, MT 59011-7646
Phone: (406) 932-7100
Fax: (406) 932-7102
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 6045 (MT)

Record details

NPI number1740279389
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedOctober 17, 2005
Last updated in NPPESDecember 6, 2024
Certification dateDecember 6, 2024
Mailing addressPo Box 1267, Big Timber, MT 59011-1267

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Also practisesEMERGENCY MEDICINE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 1984 (42 years in practice)
Group practice Crazy Mountain Family Medicine — 2 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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