John Besaw, NP
NPI 1689717563 · Nurse Practitioner · Harwich, MA
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
John Besaw, NP is a Nurse Practitioner provider in Harwich, MA (NPI 1689717563).
Provider details
- NPI number
- 1689717563
- Entity type
- Individual
- Primary specialty
- Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Male
- Sole proprietor
- No
- License
- 300873 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-02-14
- Last updated
- 2016-05-06
Frequently asked questions
- What is John Besaw's NPI number?
- John Besaw's National Provider Identifier (NPI) is 1689717563, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is John Besaw's specialty?
- John Besaw is listed in the NPPES registry with a primary specialty of Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is John Besaw located?
- John Besaw's practice location on file with NPPES is 525 Long Pond Drive, Harwich, MA 02645.
- What is John Besaw's phone number?
- The practice phone number listed in the NPPES registry for John Besaw is (508) 430-3322.
- Does John Besaw accept Medicare?
- John Besaw is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is John Besaw's NPI active?
- Yes — John Besaw's NPI (1689717563) is active in the NPPES registry as of the last update on 2016-05-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.