JOHN BESAW (NP) – Nurse Practitioner, NPI 1689717563

JOHN BESAW (NP) is a healthcare provider. based in Harwich, Massachusetts. specializing in Nurse Practitioner. They hold the professional credentials NP. They hold a License No. 300873 (NY). The NPI Number for JOHN BESAW (NP) is 1689717563

Main info

Male
23 Years Of Experience
Accepts Medicare Assignment
Name
JOHN BESAW (NP)
NPI
1689717563
Phone
(508) 430-3322
Address
525 LONG POND DR
Enumeration Date
14 February 2007
Last Update Date
6 May 2016

Doctor Profile

Medical School Name
STATE UNIVERSITY OF NY UPSTATE MEDICAL UNIVERSITY
Secondary Phone
5084303330
Graduation Year
2003 (23 years ago)
PAC ID
4183850969
Group Practice PAC ID
3577471564
Professional Enrollment ID
I20140306001447
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience66
Completeness75
Years active:19State licenses:2Digital endpointsOther names

Provider Addresses for JOHN BESAW (NP)

  • 525 LONG POND DR

    HARWICH, MA 026451227

    Phone: (508) 430-3322

    Type: Mailing

  • 525 LONG POND DRIVE

    HARWICH, MA 02645

    Phone: (508) 430-3322

    Type: Location

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

PECOS enrollment status

Participating (accepts Medicare assignment)

Enrollment effective: 2014-03-06

PECOS data refreshed: 2026-05-27

Medicare revalidation (CMS due date list)

Due date not assigned yet

CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.

Enrollment records

1

Earliest due date

Not assigned (TBD)

CMS data updated

2026-06-01

Revalidation progress

  1. Medicare enrolled
  2. On CMS revalidation list
  3. Due date assigned
  4. Revalidate in PECOS

CMS enrollment records

Enrollment IDTypeSpecialtyStateDue date
I20140306001447INurse PractitionerMATBD

What to do next

  • No action required while the due date shows TBD.
  • Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
  • Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.

Verify on CMS Revalidation Lookup Tool

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 02645)

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Provider's Procedures

JOHN BESAW (NP) performs procedures in Nurse Practitioner. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
NURSE PRACTITIONERMA81002Urinalysis, manual test1615
NURSE PRACTITIONERMA90670Pneumococcal vaccine for injection into muscle1616

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 3577471564View full group profile
NameSpecialtyState
E N D O C R I N O L O G YMA
Nurse PractitionerMA
Physician AssistantMA
Internal Medicine, Cardiovascular Disease (Cardiology)MA
Family PracticeMA
Internal MedicineMA
Thoracic Surgery, General SurgeryMA
-MA
N E U R O S U R G E R YMA
-NV

Reviews

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Frequently asked questions

Does JOHN BESAW (NP) share an NPI with anyone else?
NPI numbers are unique to each provider or organization — JOHN BESAW (NP) uses 1689717563.
Can I rely on JOHN BESAW (NP) being an active provider?
As of the registry snapshot, JOHN BESAW (NP) is marked active.
What is JOHN BESAW (NP)'s specialty?
The listing groups JOHN BESAW (NP) with Nurse Practitioner. Clinical services aligned with this taxonomy classification.
Where is JOHN BESAW (NP) based?
JOHN BESAW (NP) is tied to Harwich, Massachusetts in the data we show; additional addresses may exist on the full record.
How many locations tie to this NPI?
2 practice locations appear in the available data.

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