KATHARINE ZIMMER MARKHAM RDN
NPI 1255958112
Dietitian, Registered in Missoula, MT

Q: What is Katharine Markham's NPI number?

The NPI number for Katharine Markham is 1255958112. It was assigned to this individual provider in the NPPES registry on June 26, 2020.

Q: What is Katharine Markham's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Q: When was this NPI record last updated?

The NPPES record for Katharine Markham was last updated on May 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since June 26, 2020

725 W ALDER ST STE 28, MISSOULA, MT 59802(406) 239-0078(833) 803-1538 Get Directions Write a Review

NPPES record last updated: May 19, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 19, 2025, Oct 3, 2023, Jun 26, 2020 (3 updates tracked since 2020).

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About Katharine Zimmer Markham Rdn NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

KATHARINE ZIMMER MARKHAM RDN (NPI 1255958112) is an individual dietitian, registered in Missoula, Montana, licensed in Montana (88245) and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1255958112

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameKATHARINE ZIMMER MARKHAMCredential: RDN

Location Address725 W ALDER ST STE 28Missoula, MT 59802-4026

Mailing Address725 W Alder St Ste 28Missoula, MT 59802-4026 · (406) 239-3336 · Fax (833) 803-1538

Phone(406) 239-0078

Fax(833) 803-1538

Sole ProprietorNo

Enumeration DateJune 26, 2020

Last NPPES UpdateMay 19, 20253 updates tracked since enumeration

NPPES CertifiedMay 19, 2025

✔ NPI 1255958112 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

License✔ Licensed in MT · 88245

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

725 W ALDER ST STE 28, Missoula, MT 59802

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, Providence Health Plan.Insurance ›

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

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