KERRY A WILLEY NP
NPI 1417250580
Nurse Practitioner - Family in Worcester, MA
About Kerry A Willey Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KERRY A WILLEY NP (NPI 1417250580) is an individual family provider in Worcester, Massachusetts, licensed in Massachusetts (260333) and active in the NPI registry since December 2010. She is enrolled in Medicare PECOS, is affiliated with Massachusetts General Hospital, and is a graduate of Other (2010).
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
Kerry A Willey Np 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 Kerry Willey reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Newton, MA 02462
- Reassigned Medicare billing, Massachusetts enrollment
- 992 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.
Areas of Expertise CMS Part B claims 5
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Massachusetts General Hospital
Acute Care Hospitals · Boston, MANewton-Wellesley Hospital
Acute Care Hospitals · Newton, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 01605 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 14
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
WORCESTER, MA 01605
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 Kerry Willey's NPI number?
The NPI number for Kerry Willey is 1417250580. It was assigned to this individual provider in the NPPES registry on December 13, 2010. The provider is also known as Kerry A Treacy.
Where is Kerry Willey located?
Kerry Willey practices at 116 Belmont St Suite 12, Worcester, MA 01605. The listed phone number is (508) 770-1602.
What is Kerry Willey's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Kerry Willey enrolled in Medicare?
Yes. Kerry Willey 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 Kerry Willey's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kerry Willey reassigns Medicare benefits to Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, 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 Kerry Willey's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Kerry Willey affiliated with any hospitals?
According to CMS data, Kerry Willey is affiliated with Massachusetts General Hospital, Newton-Wellesley Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Kerry Willey was last updated on December 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.
# Kerry A Willey, NP · NPI 1417250580
Family physician in Worcester, Massachusetts. Individual provider, active in the CMS NPPES registry since December 13, 2010.
## Identity
- **NPI:** 1417250580 (Entity type: Individual)
- **Enumerated:** December 13, 2010
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 260333 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 116 BELMONT ST, SUITE 12, Worcester, MA 01605-2964
- **Phone:** (508) 770-1602 · **Fax:** (508) 770-1605
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Mass General Brigham Medical Group Suburban Massachusetts Inc (NPI 1538191218, Newton, MA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** December 13, 2010
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Source: [NPI Profile](https://npiprofile.com/npi/1417250580) · Data from the CMS NPPES public registry.