MARY GEIST MD – NPI #1649972324
Internal Medicine

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

MARY GEIST is a physician located in BOISE, ID. NPPES has assigned the NPI number 1649972324 to MARY GEIST on March 20, 2023. It is a Type-1 NPI, indicating this NPI number is associated with an individual. The primary taxonomy selected by this provider is 207R00000X from the Health Care Provider Taxonomy code set, which is classified as Internal Medicine.

The NPI profile was last updated on Mar 04, 2026. Use the NPI data found here to bill health insurance companies, identify providers enrolled in Medicare and Medicaid services or other HIPAA compliant transactions. See the complete NPI profile for MARY GEIST below.

NPI Profile for
MARY GEIST

NPI Number
1649972324
Enumeration Date

(more than 3 years ago)
Entity Type
Type-1  Individual (Female)
Legal Name
MARY GEIST
Credentials
MD
Primary location
500 W FORT ST # 111R
BOISE, ID 83702-4501
Phone: (208) 422-1314 Fax: (208) 422-1388
1 Other location(s):
325 9th Ave # 359780
Seattle, WA 98104-2420
Phone: (206) 744-1832
Mailing address
Same as primary location
Sole Proprietor
No
Updated
Certification Date
Mar 04, 2026

Note: NPPES allows providers to attest to the accuracy of their NPI data. When a provider request any change to the NPI record, they will be able to attest to their changed NPI data, resulting in an updated certification date.

Taxonomy Code(s)

A taxonomy code is a code that describes the health care service provider's type, classification, and the area of specialization. The primary specialty for this provider is indicated as (Primary) below.

Taxonomy Classification / Specialization State License
207R00000X
- Internal Medicine (Primary)
ID MRM-2227

The taxonomy codes are selected by the provider at the time of NPI registration. Selection of a taxonomy code does not replace any credentialing or validation process that the provider requesting the code should complete.