Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Family Practice

Katherine Gagan

Works at hospitals in Concord, NH · Laconia, NH · Lebanon, NH … · New Hampshire

Summary

Katherine Gagan (Family Practice) is listed by Medicare at 4 hospitals in Concord, NH, Laconia, NH and Lebanon, NH and other places. NPI 1770148850. 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 Katherine Gagan, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
7Years since medical school (graduated 2019)
FemaleGender (as listed)
Cora Health Services IncGroup practice (+1 more)

Quick answers

Which hospitals does Katherine Gagan work at?
Medicare's official clinician data lists Katherine Gagan at 4 hospitals: Concord Hospital, Concord Hospital- Laconia, Mary Hitchcock Memorial Hospital and Speare Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katherine Gagan see patients?
Medicare's clinician data lists 3 practice locations, including Alexandria, NH, Plymouth, NH and The Villages, FL. Call before your visit to confirm the address.
What is Katherine Gagan's specialty?
Medicare lists Family Practice as the primary specialty.
Does Katherine Gagan accept Medicare assignment?
Yes. Medicare's clinician data says Katherine Gagan 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 Katherine Gagan?
(352) 693-3378, as listed in official Medicare / NPI Registry data.
What is Katherine Gagan's NPI number?
1770148850. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katherine Gagan works

Medicare's Facility Affiliation Data lists Katherine Gagan 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 Katherine Gagan is enrolled with Medicare (CMS data updated 2026-10-02).

  • 100 Robie RdAlexandria, NH 03222
  • 101 Boulder Point Dr, Suite 1Plymouth, NH 03264
  • 11962 County Rd, 101 Suite 104The Villages, FL 32162 (352) 693‑3378

Group practices

Medicare enrollment lists Katherine Gagan as a member of these groups (CMS data updated 2026-10-02).

  • Cora Health Services Inc1,136 clinicians in the group
  • Mid-State Health Center32 clinicians in the group

Specialties

Find other Family Practice doctors in New Hampshire →

Other family doctors in New Hampshire

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

All family doctors in New Hampshire →

Clinician information

Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1770148850
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