DEPARTMENT OF MENTAL HEALTH - MASS MENTAL CLINIC
NPI 1073638805
Clinic/Center - Mental Health (Including Community Mental Health Center) in Boston, MA
About Department Of Mental Health - Mass Mental Clinic NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DEPARTMENT OF MENTAL HEALTH - MASS MENTAL CLINIC (NPI 1073638805) is a healthcare organization registered as a mental health (including community mental health center) in Boston, Massachusetts and active in the NPI registry since March 2007. The organization lists Rachel Leah Steiner, Center Director, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Department Of Mental Health - Mass Mental Clinic is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
80Medicare enrollment records show 80 clinicians reassign Medicare billing to Department Of Mental Health - Mass Mental Clinic, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 49 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 8
Nearest to this location (20)
See all 80Boston, MA 02115
Boston, MA 02215
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 The Commonwealth Of Massachusetts's NPI number?
The NPI number for The Commonwealth Of Massachusetts is 1073638805. It was assigned to this organization in the NPPES registry on March 20, 2007. The provider is doing business as Department Of Mental Health - Mass Mental Clinic.
Where is The Commonwealth Of Massachusetts located?
The Commonwealth Of Massachusetts is located at 75 Fenwood Rd, Boston, MA 02115. The listed phone number is (617) 626-9300.
What is The Commonwealth Of Massachusetts's specialty?
The primary specialty registered for this NPI is Clinic/Center, specializing in Mental Health (Including Community Mental Health Center), with taxonomy code 261QM0801X.
Is The Commonwealth Of Massachusetts enrolled in Medicare?
Yes. The Commonwealth Of Massachusetts is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through The Commonwealth Of Massachusetts?
According to the CMS Revalidation Reassignment List (October 2026 release), 80 clinicians in 8 Medicare specialties reassign their Medicare billing to The Commonwealth Of Massachusetts. A 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 the clinician's services. The largest specialties are Psychiatry (36), Clinical Social Worker (18) and Nurse Practitioner (13). Of these, 12 practice at this address and 49 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for The Commonwealth Of Massachusetts was last updated on April 24, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Department Of Mental Health - Mass Mental Clinic · NPI 1073638805
Mental Health (Including Community Mental Health Center) organization in Boston, Massachusetts. Organization record, active in the CMS NPPES registry since March 20, 2007.
## Identity
- **NPI:** 1073638805 (Entity type: Organization)
- **Enumerated:** March 20, 2007
- **Primary specialty:** Clinic/Center - Mental Health (Including Community Mental Health Center) · taxonomy 261QM0801X
- **Legal business name:** The Commonwealth Of Massachusetts
- **Organization subpart:** No
- **Authorized official:** Rachel Steiner, CENTER DIRECTOR
## Practice location
- **Address:** 75 FENWOOD RD, Boston, MA 02115-6103
- **Phone:** (617) 626-9300
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 80 clinicians in 8 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Psychiatry (36), Clinical Social Worker (18), Nurse Practitioner (13); 12 practice at this address and 49 within 10 miles; [full list](https://npiprofile.com/npi/1073638805/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** April 24, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1073638805) · Data from the CMS NPPES public registry.