JOHN BESAW NP
NPI 1689717563
Nurse Practitioner in Harwich, MA
About John Besaw Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN BESAW NP (NPI 1689717563) is an individual nurse practitioner in Harwich, Massachusetts, licensed in New York (300873) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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 (PECOS)
John Besaw Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show John Besaw reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 423 clinicians in this Medicare group
Hyannis, MA 02601
- Reassigned Medicare billing, Massachusetts enrollment
- 678 clinicians in this Medicare group
North Easton, MA 02356
- Reassigned Medicare billing, Massachusetts enrollment
- 22 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 02645 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
HARWICH, MA 02645
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 John Besaw's NPI number?
The NPI number for John Besaw is 1689717563. It was assigned to this individual provider in the NPPES registry on February 14, 2007.
Where is John Besaw located?
John Besaw practices at 525 Long Pond Drive, Harwich, MA 02645. The listed phone number is (508) 430-3322.
What is John Besaw's specialty?
The primary specialty registered for this NPI is Nurse Practitioner with taxonomy code 363L00000X.
Is John Besaw enrolled in Medicare?
Yes. John Besaw is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Besaw's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Besaw reassigns Medicare benefits to 3 organizations: Medical Affiliates Of Cape Cod, Inc. (Hyannis, MA), Physicians Of Cape Cod Hospital (Hyannis, MA) and Ideal Healthcare Solutions LLC (North Easton, 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 John Besaw'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 John Besaw was last updated on May 6, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.