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Endocrinology

Molly Harrington, MD

Sees patients in Portsmouth, NH · Dover, NH · New Hampshire

Summary

Molly Harrington, MD (Endocrinology) is enrolled with Medicare at 2 practice locations in Portsmouth, NH and Dover, NH. NPI 1962420323. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Molly Harrington, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

EndocrinologyPrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
FemaleGender (as listed)
Massachusetts General Physicians Organization IncGroup practice

Quick answers

Where does Molly Harrington see patients?
Medicare's clinician data lists 2 practice locations, including Portsmouth, NH and Dover, NH. Call before your visit to confirm the address.
What is Molly Harrington's specialty?
Medicare lists Endocrinology as the primary specialty, and also Pediatric Medicine.
Does Molly Harrington accept Medicare assignment?
Yes. Medicare's clinician data says Molly Harrington accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Molly Harrington?
(603) 742-5252, as listed in official Medicare / NPI Registry data.
What is Molly Harrington's NPI number?
1962420323. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Molly Harrington is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Molly Harrington as a member of this group (CMS data updated 2026-10-02).

  • Massachusetts General Physicians Organization Inc3,558 clinicians in the group

Specialties

Find other Endocrinology doctors in New Hampshire →

Other endocrinologists in New Hampshire

Clinicians with the same Medicare primary specialty in New Hampshire — not a recommendation.

All endocrinologists in New Hampshire →

Clinician information

CredentialMD
Graduation year1999
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1962420323
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians