MR. WILLIAM M GRIFFIN RNCS PC APRN BC
NPI 1407962038
Clinical Nurse Specialist - Psychiatric/Mental Health, Adult in Gardner, MA
About Mr. William M Griffin Rncs Pc Aprn Bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. WILLIAM M GRIFFIN RNCS PC APRN BC (NPI 1407962038) is an individual psychiatric/mental health, adult provider in Gardner, Massachusetts, licensed in Massachusetts (124435) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 6
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mr. William M Griffin Rncs Pc Aprn Bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show William Griffin reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Greenfield, MA 01301
- Reassigned Medicare billing, Massachusetts enrollment
- 169 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01440 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
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 William Griffin's NPI number?
The NPI number for William Griffin is 1407962038. It was assigned to this individual provider in the NPPES registry on August 23, 2006.
Where is William Griffin located?
William Griffin practices at 31 Lake St North Central Human Services, Gardner, MA 01440. The listed phone number is (978) 632-9400.
What is William Griffin's specialty?
The primary specialty registered for this NPI is Clinical Nurse Specialist, specializing in Psychiatric/Mental Health, Adult, with taxonomy code 364SP0809X.
Is William Griffin enrolled in Medicare?
Yes. William Griffin is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for William Griffin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Griffin reassigns Medicare benefits to Clinical & Support Options, Inc (Greenfield, 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 William Griffin'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 William Griffin was last updated on August 13, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Mr. William M Griffin, RNCS PC APRN BC · NPI 1407962038
Psychiatric/Mental Health, Adult physician in Gardner, Massachusetts. Individual provider, active in the CMS NPPES registry since August 23, 2006.
## Identity
- **NPI:** 1407962038 (Entity type: Individual)
- **Enumerated:** August 23, 2006
- **Primary specialty:** Clinical Nurse Specialist - Psychiatric/Mental Health, Adult · taxonomy 364SP0809X
- **State license:** 124435 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 31 LAKE ST, NORTH CENTRAL HUMAN SERVICES, Gardner, MA 01440-3879
- **Phone:** (978) 632-9400 · **Fax:** (978) 632-9410
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Clinical & Support Options, Inc (NPI 1831265115, Greenfield, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** August 13, 2014
- **Other identifiers:** Other 414316; Other 1308785 (MA); Medicare ID-Type Unspecified Y10400 (MA); and 3 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1407962038) · Data from the CMS NPPES public registry.