ANDREA M MERBACK LCSW
NPI 1386133460
Social Worker in Billings, MT

Q: What is Andrea Merback's NPI number?

The NPI number for Andrea Merback is 1386133460. It was assigned to this individual provider in the NPPES registry on May 4, 2018.

Q: What is Andrea Merback'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 Andrea Merback was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 04, 2018PECOS EnrolledAccepts Medicare Assignment

1643 24TH ST W STE 312, BILLINGS, MT 59102(406) 530-5281(406) 534-9988 Get Directions Write a Review

NPPES record last updated: April 2, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Apr 2, 2026, May 4, 2018 (2 updates tracked since 2018).

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About Andrea M Merback Lcsw NPPES

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

ANDREA M MERBACK LCSW (NPI 1386133460) is an individual social worker in Billings, Montana, licensed in Montana (26531) and active in the NPI registry since May 2018. She is enrolled in Medicare PECOS and is a graduate of Other (2017).

NPPES Registry Identity

NPI1386133460

Entity TypeIndividualFemale

Primary Taxonomy104100000X

Provider Legal NameANDREA M MERBACKCredential: LCSW

Location Address1643 24TH ST W STE 312Billings, MT 59102-2677

Mailing Address1643 24th St W Ste 312Billings, MT 59102-2677 · (406) 672-9769 · Fax (406) 534-9988

Phone(406) 530-5281

Fax(406) 534-9988

Sole ProprietorYes

Medical School CMSOtherGraduated 2017

Enumeration DateMay 4, 2018

Last NPPES UpdateApril 2, 20262 updates tracked since enumeration

NPPES CertifiedApril 2, 2026

✔ NPI 1386133460 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 MT · 26531

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.

1643 24TH ST W STE 312, Billings, MT 59102

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Other Identifiers 1

Medicaid1891781787MT

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 and accepts Medicare assignment

Andrea M Merback Lcsw 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 ID4183049646

PECOS Enrollment IDI20200731001291

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 2

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

WINDS OF CHANGE COUNSELING INC

Clinic/Center (Adult Mental Health)

1643 24TH ST W STE 312
BILLINGS, MT 59102

Yellowstone County (406) 591-9879

VERONICA M OLSEN LCPC

Counselor (Professional)

1643 24TH ST W STE 312
BILLINGS, MT 59102

Yellowstone County (406) 694-4473

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 Andrea Merback's NPI number?

The NPI number for Andrea Merback is 1386133460. It was assigned to this individual provider in the NPPES registry on May 4, 2018.

Where is Andrea Merback located?

Andrea Merback practices at 1643 24th St W Ste 312, Billings, MT 59102. The listed phone number is (406) 530-5281.

What is Andrea Merback's specialty?

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

Is Andrea Merback enrolled in Medicare?

Yes. Andrea Merback 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.

What insurance does Andrea Merback accept?

Health plans from Blue Cross and Blue Shield of Montana and Mountain Health CO-OP list Andrea Merback 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 Andrea Merback was last updated on April 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.