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

Kathryn Lee Williams, MD

Individual provider Family Medicine Physician · NPI 1952857385

Kathryn Lee Williams, MD is a Family Practice in Lewistown, Montana. Graduated from Columbia University College of Physicians and Surgeons in 2016, 10 years ago. Practices with Bighorn Valley Health Center Incorporated, a 86-clinician group, works from 4 locations and accepts Medicare assignment. Licensed in Minnesota and Montana.

Years since qualifying
10
Trained at
Columbia University College of Physicians and Surgeons
Licensed in
MN, MT
In the registry since
2016
Specialties on file
2
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

311 W Main St
Lewistown, MT 59457-2760
Phone: (406) 535-6545
Show map & directions

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

Additional practice locations (3)

  • 400 E 3rd St, Duluth, MN 55805 — (218) 786-8364
  • 401 Railroad St W, Missoula, MT 59802-4109 — (406) 258-4789
  • 401 Railroad St W, Missoula, MT 59802-4109 — (406) 258-4789

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MED-PHYS-LIC-78141 (MT)
Obstetrics Physician Taxonomy 207VX0000X · Licence 65709 (MN)

Record details

NPI number1952857385
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 26, 2016
Last updated in NPPESDecember 30, 2025
Certification dateDecember 30, 2025

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolCOLUMBIA UNIVERSITY COLLEGE OF PHYSICIANS AND SURGEONS
Graduated 2016 (10 years in practice)
Group practice Bighorn Valley Health Center Incorporated — 86 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare

Other providers in Lewistown