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

Mary Geist, MD

Individual provider Internal Medicine Physician · NPI 1649972324

Mary Geist, MD is an Internal Medicine Physician in Boise, Idaho. Works from 2 locations. Licensed in Idaho.

Licensed in
ID
In the registry since
2023
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

500 W Fort St # 111R
Boise, ID 83702-4501
Phone: (208) 422-1314
Fax: (208) 422-1388
Show map & directions

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

Additional practice locations (1)

  • 325 9th Ave # 359780, Seattle, WA 98104-2420 — (206) 744-1832

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 4271451 (ID)
Internal Medicine Physician Taxonomy 207R00000X · Licence MRM-2227 (ID)

Record details

NPI number1649972324
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 20, 2023
Last updated in NPPESMarch 4, 2026
Certification dateMarch 4, 2026
Mailing address500 W Fort St # 111r, Boise, ID 83702-4599

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