MS. ANNA EVELYN O'BRIEN L.M.H.C.
NPI 1578832408
Counselor - Mental Health in Great Barrington, MA

Q: What is Anna O'brien's NPI number?

The NPI number for Anna O'brien is 1578832408. It was assigned to this individual provider in the NPPES registry on December 21, 2011.

Q: What is Anna O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Anna O'brien was last updated on December 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.

Active since December 21, 2011PECOS Enrolled

25 NORTH ST, GREAT BARRINGTON, MA 01230(413) 528-9879 Get Directions Write a Review

NPPES record last updated: December 21, 2011. Verified against the NPPES registry weekly; last sync: October 25, 2026.

On this page

About Ms. Anna Evelyn O'brien L.m.h.c. NPPES

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

MS. ANNA EVELYN O'BRIEN L.M.H.C. (NPI 1578832408) is an individual mental health provider in Great Barrington, Massachusetts, licensed in Massachusetts (980) and active in the NPI registry since December 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1578832408

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameMS. ANNA EVELYN O'BRIENCredential: L.M.H.C.

Location Address25 NORTH STGreat Barrington, MA 01230-1251

Mailing Address25 North StGreat Barrington, MA 01230-1251 · (413) 528-9879

Phone(413) 528-9879

Sole ProprietorYes

Enumeration DateDecember 21, 2011

✔ NPI 1578832408 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in MA · 980

25 NORTH ST, Great Barrington, MA 01230

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Harvard Pilgrim Health Care.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ms. Anna Evelyn O'brien L.m.h.c. 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.

Medicare Billing Reassignment

Medicare enrollment records show Anna O'brien reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Savida Health, PC

38 mi

Addiction Medicine

50 UNION ST
W Springfield, MA 01089

Reassigned Medicare billing, Massachusetts enrollment
20 clinicians in this Medicare group

NPI 1316253875 (413) 732-0040

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

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 Anna O'brien's NPI number?

The NPI number for Anna O'brien is 1578832408. It was assigned to this individual provider in the NPPES registry on December 21, 2011.

Where is Anna O'brien located?

Anna O'brien practices at 25 North St, Great Barrington, MA 01230. The listed phone number is (413) 528-9879.

What is Anna O'brien's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Anna O'brien enrolled in Medicare?

Yes. Anna O'brien is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Anna O'brien's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Anna O'brien reassigns Medicare benefits to Savida Health, PC (W Springfield, MA). The 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 Anna O'brien's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Anna O'brien accept?

Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Anna O'brien 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 Anna O'brien was last updated on December 21, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.