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Emergency Medicine

Heather A. Gregory-Martin, MD

Works at hospitals in Belfast, ME · Bangor, ME · Maine

Summary

Heather A. Gregory-Martin, MD (Emergency Medicine) is listed by Medicare at 2 hospitals in Belfast, ME and Bangor, ME. NPI 1407140809. 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 Heather A. Gregory-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

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
15Years since medical school (graduated 2011)
University Of Michigan Medical SchoolMedical school
FemaleGender (as listed)
Eastern Maine Medical CenterGroup practice

Quick answers

Which hospitals does Heather A. Gregory-Martin work at?
Medicare's official clinician data lists Heather A. Gregory-Martin at 2 hospitals: MaineHealth Waldo Hospital and Northern Light Eastern Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Heather A. Gregory-Martin see patients?
Medicare's clinician data lists 1 practice location in Bangor, ME. Call before your visit to confirm the address.
What is Heather A. Gregory-Martin's specialty?
Medicare lists Emergency Medicine as the primary specialty.
Does Heather A. Gregory-Martin accept Medicare assignment?
Yes. Medicare's clinician data says Heather A. Gregory-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.
What is the phone number for Heather A. Gregory-Martin?
(207) 973-7000, as listed in official Medicare / NPI Registry data.
What is Heather A. Gregory-Martin's NPI number?
1407140809. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Heather A. Gregory-Martin works

Medicare's Facility Affiliation Data lists Heather A. Gregory-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 Heather A. Gregory-Martin is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Heather A. Gregory-Martin as a member of this group (CMS data updated 2026-10-02).

  • Eastern Maine Medical Center624 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Maine →

Other emergency medicine doctors in Bangor

Clinicians with the same Medicare primary specialty in Bangor, ME — not a recommendation.

All emergency medicine doctors in Bangor →

Clinician information

CredentialMD
Medical schoolUniversity Of Michigan Medical School
Graduation year2011
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1407140809
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