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Internal Medicine

David Fagan, MD

Works at hospitals in Woodsville, NH · Plymouth, NH · New Hampshire

Summary

David Fagan, MD (Internal Medicine) is listed by Medicare at 2 hospitals in Woodsville, NH and Plymouth, NH. NPI 1841220423. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about David Fagan, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
37Years since medical school (graduated 1989)
University Of Maryland School Of MedicineMedical school
MaleGender (as listed)
Mid-State Health CenterGroup practice

Quick answers

Which hospitals does David Fagan work at?
Medicare's official clinician data lists David Fagan at 2 hospitals: Cottage Hospital and Speare Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does David Fagan see patients?
Medicare's clinician data lists 2 practice locations, including Plymouth, NH. Call before your visit to confirm the address.
What is David Fagan's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does David Fagan accept Medicare assignment?
Yes. Medicare's clinician data says David Fagan 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 David Fagan?
(603) 536-4000, as listed in official Medicare / NPI Registry data.
What is David Fagan's NPI number?
1841220423. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where David Fagan works

Medicare's Facility Affiliation Data lists David Fagan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

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

  • 101 Boulder Point Dr, Suite 1Plymouth, NH 03264
  • 28 Main StPlymouth, NH 03264 (603) 536‑4000

Group practices

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

  • Mid-State Health Center32 clinicians in the group

Specialties

Find other Internal Medicine doctors in New Hampshire →

Other internal medicine doctors in Plymouth

Clinicians with the same Medicare primary specialty in Plymouth, NH — not a recommendation.

All internal medicine doctors in Plymouth →

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1989
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1841220423
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. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians