MARGARET THOMPSON
NPI 1578013439
Counselor - Mental Health in Boston, MA
About Margaret Thompson NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARGARET THOMPSON (NPI 1578013439) is an individual mental health provider in Boston, Massachusetts and active in the NPI registry since October 2016. She is enrolled in Medicare PECOS and is a graduate of Other (2016).
NPPES Registry Identity
Specialties & Licenses 2
Accepted 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
Margaret Thompson 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.
Medicare Billing Reassignment
Medicare enrollment records show Margaret Thompson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Worcester, MA 01606
- Reassigned Medicare billing, Massachusetts enrollment
- 718 clinicians in this Medicare group
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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02118
BOSTON, MA 02118
BOSTON, MA 02118
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 Margaret Thompson's NPI number?
The NPI number for Margaret Thompson is 1578013439. It was assigned to this individual provider in the NPPES registry on October 4, 2016.
Where is Margaret Thompson located?
Margaret Thompson practices at 1010 Massachusetts Ave, Boston, MA 02118. The listed phone number is (617) 419-3408.
What is Margaret Thompson's specialty?
The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.
Is Margaret Thompson enrolled in Medicare?
Yes. Margaret Thompson 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 organization bills Medicare for Margaret Thompson's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Margaret Thompson reassigns Medicare benefits to Reliant Medical Group, Inc (Worcester, 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 Margaret Thompson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Margaret Thompson accept?
Health plans from Anthem Blue Cross and Blue Shield and Harvard Pilgrim Health Care list Margaret Thompson 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 Margaret Thompson was last updated on October 24, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.
# Margaret Thompson · NPI 1578013439
Mental Health provider in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since October 4, 2016.
## Identity
- **NPI:** 1578013439 (Entity type: Individual)
- **Enumerated:** October 4, 2016
- **Primary specialty:** Counselor - Mental Health · taxonomy 101YM0800X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1010 MASSACHUSETTS AVE, Boston, MA 02118-2600
- **Phone:** (617) 419-3408 · **Fax:** (617) 534-2611
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** Reliant Medical Group, Inc (NPI 1720017528, Worcester, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2016
## Record status
- **NPPES last updated:** October 24, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1578013439) · Data from the CMS NPPES public registry.