ROCK OF HEALTH PLLC
NPI 1578442976
Nurse Practitioner - Family in Belmont, MA
About Rock Of Health Pllc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROCK OF HEALTH PLLC (NPI 1578442976) is a healthcare organization registered as a family in Belmont, Massachusetts and active in the NPI registry since August 2025. The organization lists Judith K Williams, Owner, as its authorized official.
NPPES Registry Identity
Specialties & Licenses 2
Group Practice 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)
Rock Of Health Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
Medicare enrollment records show 1 clinician reassigns Medicare billing to Rock Of Health PLLC, which bills Medicare for the services this clinician delivers.
Clinician (1)
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 Rock Of Health PLLC's NPI number?
The NPI number for Rock Of Health PLLC is 1578442976. It was assigned to this organization in the NPPES registry on August 29, 2025.
Where is Rock Of Health PLLC located?
Rock Of Health PLLC is located at 464 Comon Street #333, Belmont, MA 02478. The listed phone number is (617) 999-0973.
What is Rock Of Health PLLC's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Rock Of Health PLLC enrolled in Medicare?
Yes. Rock Of Health PLLC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Rock Of Health PLLC?
According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nurse Practitioner) reassigns their Medicare billing to Rock Of Health PLLC. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Rock Of Health PLLC was last updated on May 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Rock Of Health Pllc · NPI 1578442976
Family organization in Belmont, Massachusetts. Organization record, active in the CMS NPPES registry since August 29, 2025.
## Identity
- **NPI:** 1578442976 (Entity type: Organization)
- **Enumerated:** August 29, 2025
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **Organization subpart:** No
- **Authorized official:** Judith Williams, OWNER
## Practice location
- **Address:** 464 COMON STREET #333, Belmont, MA 02478
- **Phone:** (617) 999-0973
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 1 clinician (Nurse Practitioner) reassigns Medicare billing to this organization (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** May 13, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1578442976) · Data from the CMS NPPES public registry.