MRS. PATRICIA M GUSTIN NP
NPI 1417931452
Nurse Practitioner - Obstetrics & Gynecology in Hanover, MA
About Mrs. Patricia M Gustin Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MRS. PATRICIA M GUSTIN NP (NPI 1417931452) is an individual obstetrics & gynecology provider in Hanover, Massachusetts, licensed in Massachusetts (RN193678) and active in the NPI registry since December 2005. She is enrolled in Medicare PECOS, is affiliated with South Shore Hospital, and is a graduate of Other (1996).
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
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
Mrs. Patricia M Gustin 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 Reassignments
2Medicare enrollment records show Patricia Gustin reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
South Weymouth, MA 02190
- Reassigned Medicare billing, Massachusetts enrollment
- 419 clinicians in this Medicare group
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 4
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
South Shore Hospital
Acute Care Hospitals · South Weymouth, MABrigham And Women's Hospital
Acute Care Hospitals · Boston, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02339 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 Patricia Gustin's NPI number?
The NPI number for Patricia Gustin is 1417931452. It was assigned to this individual provider in the NPPES registry on December 2, 2005.
Where is Patricia Gustin located?
Patricia Gustin practices at 135 Webster St, Hanover, MA 02339. The listed phone number is (781) 878-7020.
What is Patricia Gustin's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.
Is Patricia Gustin enrolled in Medicare?
Yes. Patricia Gustin 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 organizations bill Medicare for Patricia Gustin's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patricia Gustin reassigns Medicare benefits to 2 organizations: Harbor Medical Associates, Inc. (South Weymouth, MA) and Mass General Brigham Medical Group Suburban Massachusetts Inc (Newton, MA). Each 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 Patricia Gustin's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Patricia Gustin accept?
Health plans from Taro Health list Patricia Gustin as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Patricia Gustin affiliated with any hospitals?
According to CMS data, Patricia Gustin is affiliated with South Shore Hospital and Brigham And Women's Hospital.
When was this NPI record last updated?
The NPPES record for Patricia Gustin was last updated on January 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.