KATHERINE R FRIEDMAN NP
NPI 1932302288
Nurse Practitioner in Oak Bluffs, MA
About Katherine R Friedman Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KATHERINE R FRIEDMAN NP (NPI 1932302288) is an individual nurse practitioner in Oak Bluffs, Massachusetts, licensed in Massachusetts (228668) and active in the NPI registry since June 2007. She is enrolled in Medicare PECOS, is affiliated with Martha's Vineyard Hospital Inc, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 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
Katherine R Friedman 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 Katherine Friedman reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Oak Bluffs, MA 02557
- Reassigned Medicare billing, Massachusetts enrollment
- 251 clinicians in this Medicare group
Vineyard Haven, MA 02568
- Reassigned Medicare billing, Massachusetts enrollment
- 9 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Martha's Vineyard Hospital Inc
Critical Access Hospitals · Oak Bluffs, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02557 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
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 Katherine Friedman's NPI number?
The NPI number for Katherine Friedman is 1932302288. It was assigned to this individual provider in the NPPES registry on June 6, 2007. The provider is also known as Katherine Reardon.
Where is Katherine Friedman located?
Katherine Friedman practices at One Hospital Rd, Oak Bluffs, MA 02557. The listed phone number is (508) 693-0019.
What is Katherine Friedman's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is Katherine Friedman enrolled in Medicare?
Yes. Katherine Friedman 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 Katherine Friedman's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Katherine Friedman reassigns Medicare benefits to 2 organizations: Martha's Vineyard Hospital, Inc. (Oak Bluffs, MA) and Vineyard Medical Care LLC (Vineyard Haven, 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 Katherine Friedman's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Katherine Friedman affiliated with any hospitals?
According to CMS data, Katherine Friedman is affiliated with Martha's Vineyard Hospital Inc.
When was this NPI record last updated?
The NPPES record for Katherine Friedman was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Katherine R Friedman, NP · NPI 1932302288
Nurse Practitioner physician in Oak Bluffs, Massachusetts. Individual provider, active in the CMS NPPES registry since June 6, 2007.
## Identity
- **NPI:** 1932302288 (Entity type: Individual)
- **Enumerated:** June 6, 2007
- **Primary specialty:** Nurse Practitioner · taxonomy 363L00000X
- **State license:** 228668 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** ONE HOSPITAL RD, Oak Bluffs, MA 02557
- **Phone:** (508) 693-0019 · **Fax:** (508) 693-3600
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Martha's Vineyard Hospital, Inc. (NPI 1194866210, Oak Bluffs, MA); Vineyard Medical Care LLC (NPI 1346649886, Vineyard Haven, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicare ID-Type Unspecified NP1429 (MA)
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Source: [NPI Profile](https://npiprofile.com/npi/1932302288) · Data from the CMS NPPES public registry.