DIANA HARTMAN LCSW
NPI 1528632551
Social Worker in Helena, MT

Q: What is Diana Hartman's NPI number?

The NPI number for Diana Hartman is 1528632551. It was assigned to this individual provider in the NPPES registry on May 14, 2021.

Q: What is Diana Hartman's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Hartman was last updated on January 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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 May 14, 2021PECOS Enrolled

2755 COLONIAL DR, HELENA, MT 59601(406) 444-7500 Get Directions Write a Review

NPPES record last updated: January 6, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Jan 6, 2026, Mar 20, 2023, May 14, 2021 (3 updates tracked since 2021).

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About Diana Hartman Lcsw NPPES

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

DIANA HARTMAN LCSW (NPI 1528632551) is an individual social worker in Helena, Montana, licensed in Montana (48742) and active in the NPI registry since May 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1528632551

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameDIANA HARTMANCredential: LCSW

Location Address2755 COLONIAL DRHelena, MT 59601-4926

Mailing AddressPo Box 5539Helena, MT 59604-5539 · (406) 444-7515

Phone(406) 444-7500

Sole ProprietorNo

Enumeration DateMay 14, 2021

Last NPPES UpdateJanuary 6, 20263 updates tracked since enumeration

NPPES CertifiedJanuary 6, 2026

✔ NPI 1528632551 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers

Taxonomy Code104100000X

License✔ Licensed in MT · 48742

Definition

A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.

Also ListedSocial Worker · ClinicalTaxonomy 1041C0700X · License LW61371991 (WA), 48742 (MT)

2755 COLONIAL DR, Helena, MT 59601

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Other Identifiers 1

Other48742MT · License

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.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Hartman Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Other Providers at the Same Location NPPES 20

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

DR. DEANNA L. ARMSTRONG M.D.

Psychiatry & Neurology (Psychiatry)