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

Nurse Practitioner

Catherine J. Martin

Works at hospitals in Boston, MA · Milford, MA · Salem, MA … · Massachusetts, New Hampshire

Summary

Catherine J. Martin (Nurse Practitioner) is listed by Medicare at 5 hospitals in Boston, MA, Milford, MA and Salem, MA and other places. NPI 1700108560. 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 Catherine J. Martin, 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
YesOffers telehealth
22Years since medical school (graduated 2004)
FemaleGender (as listed)
Mass General Brigham Medical Group Northern Massachusetts IncGroup practice (+4 more)

Quick answers

Which hospitals does Catherine J. Martin work at?
Medicare's official clinician data lists Catherine J. Martin at 5 hospitals: Massachusetts General Hospital, Milford Regional Medical Center, North Shore Medical Center -, Wentworth-Douglass Hospital and Winchester Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Catherine J. Martin see patients?
Medicare's clinician data lists 6 practice locations, including Northampton, MA, Newton, MA and Salem, NH. Call before your visit to confirm the address.
What is Catherine J. Martin's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Catherine J. Martin accept Medicare assignment?
Yes. Medicare's clinician data says Catherine J. Martin 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.
Does Catherine J. Martin offer telehealth?
Medicare's clinician data says Catherine J. Martin offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Catherine J. Martin?
(413) 586-9866, as listed in official Medicare / NPI Registry data.
What is Catherine J. Martin's NPI number?
1700108560. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Catherine J. Martin works

Medicare's Facility Affiliation Data lists Catherine J. Martin 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 Catherine J. Martin is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Catherine J. Martin as a member of these groups (CMS data updated 2026-10-02).

  • Mass General Brigham Medical Group Northern Massachusetts Inc827 clinicians in the group
  • Mass General Brigham Medical Group Suburban Massachusetts Inc602 clinicians in the group
  • Mass General Brigham Medical Group Western Massachusetts Inc291 clinicians in the group
  • Mass General Brigham Medical Group, Inc.139 clinicians in the group
  • Harbor Medical Associates Inc127 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Massachusetts →

Other nurse practitioners in Northampton

Clinicians with the same Medicare primary specialty in Northampton, MA — not a recommendation.

All nurse practitioners in Northampton →

Clinician information

Graduation year2004
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1700108560
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