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

Nurse Practitioner

Katrina L. Colby

Works at hospitals in Berlin, NH · Littleton, NH · Lebanon, NH … · New Hampshire

Summary

Katrina L. Colby (Nurse Practitioner) is listed by Medicare at 4 hospitals in Berlin, NH, Littleton, NH and Lebanon, NH and other places. NPI 1578178489. 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 Katrina L. Colby, 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
FemaleGender (as listed)
Ammonoosuc Community Health Services, Inc.Group practice

Quick answers

Which hospitals does Katrina L. Colby work at?
Medicare's official clinician data lists Katrina L. Colby at 4 hospitals: Androscoggin Valley Hospital, Littleton Regional Healthcare, Mary Hitchcock Memorial Hospital and Weeks Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Katrina L. Colby see patients?
Medicare's clinician data lists 1 practice location in Whitefield, NH. Call before your visit to confirm the address.
What is Katrina L. Colby's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Katrina L. Colby accept Medicare assignment?
Yes. Medicare's clinician data says Katrina L. Colby 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 Katrina L. Colby?
(603) 837-2333, as listed in official Medicare / NPI Registry data.
What is Katrina L. Colby's NPI number?
1578178489. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Katrina L. Colby works

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

Group practices

Medicare enrollment lists Katrina L. Colby as a member of this group (CMS data updated 2026-10-02).

  • Ammonoosuc Community Health Services, Inc.25 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, New Hampshire →

Other nurse practitioners in New Hampshire

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

All nurse practitioners in New Hampshire →

Clinician information

Graduation year2020
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1578178489
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