MS. MARY EILEEN MCNAMARA
NPI 1891495396
Student in an Organized Health Care Education/Training Program in Belmont, MA
About Ms. Mary Eileen Mcnamara NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARY EILEEN MCNAMARA (NPI 1891495396) is an individual student in an organized health care education/training program in Belmont, Massachusetts and active in the NPI registry since March 2023. She is enrolled in Medicare PECOS and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Ms. Mary Eileen Mcnamara 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 Mary Mcnamara reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Belmont, MA 02478
- Reassigned Medicare billing, Massachusetts enrollment
- 422 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.
BELMONT, MA 02478
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 Mary Mcnamara's NPI number?
The NPI number for Mary Mcnamara is 1891495396. It was assigned to this individual provider in the NPPES registry on March 6, 2023. The provider is also known as Molly Mcnamara.
Where is Mary Mcnamara located?
Mary Mcnamara practices at 115 Mill St, Belmont, MA 02478. The listed phone number is (617) 855-2000.
What is Mary Mcnamara's specialty?
The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.
Is Mary Mcnamara enrolled in Medicare?
Yes. Mary Mcnamara 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 Mary Mcnamara's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mcnamara reassigns Medicare benefits to The Mclean Hospital Corporation (Belmont, 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 Mary Mcnamara's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Mary Mcnamara was last updated on March 6, 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.
# Ms. Mary Eileen Mcnamara · NPI 1891495396
Student in an Organized Health Care Education/Training Program provider in Belmont, Massachusetts. Individual provider, active in the CMS NPPES registry since March 6, 2023.
## Identity
- **NPI:** 1891495396 (Entity type: Individual)
- **Enumerated:** March 6, 2023
- **Primary specialty:** Student in an Organized Health Care Education/Training Program · taxonomy 390200000X
- **Sole proprietor:** No
## Practice location
- **Address:** 115 MILL ST, Belmont, MA 02478-1048
- **Phone:** (617) 855-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** The Mclean Hospital Corporation (NPI 1114979580, Belmont, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** March 6, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1891495396) · Data from the CMS NPPES public registry.