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LIDA A HOLST
NPI 1346751146
Social Worker in Shelby, MT

Active since October 19, 2017PECOS EnrolledAccepts Medicare Assignment
670 PARK AVE, SHELBY, MT 59474(406) 434-3110(406) 434-3143 Get Directions Write a Review

NPPES record last updated: March 12, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 12, 2021, Oct 19, 2017 (2 updates tracked since 2017).

About Lida A Holst NPPES

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

LIDA A HOLST (NPI 1346751146) is an individual social worker in Shelby, Montana, licensed in Maine (MC16835) and active in the NPI registry since October 2017. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1346751146
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameLIDA A HOLST
Location Address670 PARK AVEShelby, MT 59474-1663
Mailing AddressPo Box 10187Albany, NY 12201-5187 · (207) 777-4111 · Fax (207) 783-6660
Phone(406) 434-3110
Fax(406) 434-3143
Sole ProprietorNo
Medical School CMSOtherGraduated 2017
Enumeration DateOctober 19, 2017
Last NPPES UpdateMarch 12, 20212 updates tracked since enumeration
NPPES CertifiedMarch 12, 2021
✔ NPI 1346751146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in ME · MC16835
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.
670 PARK AVE, Shelby, MT 59474
Open in Google Maps ↗

Other Identifiers 1

Other40408MT · Mt 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, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Lida A Holst is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID7517397987
PECOS Enrollment IDI20200427001073
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.

Medicare Billing Reassignments

2

Medicare enrollment records show Lida Holst reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Marias Healthcare Services Inc
1.5 mi
Federally Qualified Health Center (FQHC)
1950 W ROOSEVELT HWY
Shelby, MT 59474
  • Reassigned Medicare billing, Montana enrollment
  • 19 clinicians in this Medicare group
NPI 1881697209 (406) 434-3100
True North Counseling
51 mi
Clinic/Center
17 1ST ST NW STE 14
Choteau, MT 59422
  • Reassigned Medicare billing, Montana enrollment
NPI 1174278741 (406) 369-6129

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 11

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

JUSTIN PAUL HOOKER DPM, MS
Podiatrist
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3110
JONI M WALTON NP
Nurse Practitioner
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3100
DR. GEORGE ANGELO BIANCARELLI MD
Family Medicine
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3100
DR. MARC E ADAMS MD
Family Medicine
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3110
CONLEY LYNCH M.D.
Family Medicine
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3100
MRS. DEBORAH ELIZABETH TREECE PC
Counselor (Mental Health)
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3110
MS. DANA L HELLINGER LCPC
Counselor (Mental Health)
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3100
PAIJE E GIANARELLI
Counselor (Mental Health)
670 PARK AVE
SHELBY, MT 59474
Toole County (406) 434-3100

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Lida Holst's NPI number?

The NPI number for Lida Holst is 1346751146. It was assigned to this individual provider in the NPPES registry on October 19, 2017.

Where is Lida Holst located?

Lida Holst practices at 670 Park Ave, Shelby, MT 59474. The listed phone number is (406) 434-3110.

What is Lida Holst's specialty?

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

Is Lida Holst enrolled in Medicare?

Yes. Lida Holst is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Lida Holst's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Lida Holst reassigns Medicare benefits to 2 organizations: Marias Healthcare Services Inc (Shelby, MT) and True North Counseling (Choteau, MT). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Lida Holst's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Lida Holst accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Lida Holst as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Lida Holst was last updated on March 12, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.