ANN F MCMAHON – Clinical Social Worker, NPI 1265097802

Clinical Social Worker

ANN F MCMAHON is a healthcare provider. based in Harwich port, Massachusetts. specializing in Clinical Social Worker. They hold a License No. 149004712 (IL). The NPI Number for ANN F MCMAHON is 1265097802

Main info

Female

37 Years Of Experience

Accepts Medicare Assignment

Name

ANN F MCMAHON

NPI

1265097802

Phone

(508) 905-2800

Address

PO BOX 598

Enumeration Date

9 May 2019

Last Update Date

20 September 2019

Doctor Profile

Medical School Name

OTHER

Secondary Phone

5084321400

Graduation Year

1989 (37 years ago)

PAC ID

3870825342

Group Practice PAC ID

4385554971

Professional Enrollment ID

I20191101002409

Data current as of

20 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology

Experience28

Completeness75

Years active:7State licenses:1Digital endpointsOther names

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Provider Addresses for ANN F MCMAHON

PO BOX 598
HARWICH PORT, MA 026460598
Phone: (508) 905-2800
Type: Mailing
Main Street, Harwich Port, Harwich, Barnstable County, Massachusetts, 02646, United States
HARWICH PORT, MA 026461931
Phone: (508) 432-1400
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.

No Medicare enrollment or revalidation data available for this provider in our database.

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 02646)

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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: 4385554971View full group profile

Name	Specialty	State
WILLIAM E SHAY (MD)	Internal Medicine	MA
JESSICA CHIPMAN	Nurse Practitioner	MA
KELLY KING (MD)	Family Practice	MA
TERESA R CORCORAN (MD)	Internal Medicine, Pediatric Medicine	MA
ANDREW CHIN	Physician Assistant	OR
DR. MICHAEL SENTMAN HENDERSON (OD)	O P T O M E T R Y	MA
MS. HANNAH KULLBERG (PA-C)	Physician Assistant	MA
ADRIA MARIE KENNEDY (PMHNP-BC)	Nurse Practitioner	MA
MARTA BRIT HANSEN (LICSW)	-	MA
DR. DIANE E. SETTE (DNP, MS-FNP-C, APRN)	Nurse Practitioner	RI

Reviews

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Frequently asked questions

Does ANN F MCMAHON have a public NPI I can cite?

Public records show ANN F MCMAHON under NPI 1265097802.

Does the public listing show ANN F MCMAHON as active?

ANN F MCMAHON's NPI record reflects an active status in NPPES.

What does the directory say ANN F MCMAHON does?

Insurance directories may phrase it differently, but here ANN F MCMAHON maps to Clinical Social Worker. Clinical services aligned with this taxonomy classification.

What city is tied to ANN F MCMAHON?

The directory associates ANN F MCMAHON with Harwich Port, Massachusetts. Check all listed addresses for suites or satellite offices.

Who maintains ANN F MCMAHON's record?

Providers certify NPPES data; CMS hosts the public file you are viewing.