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Hospitalist

Matthew D. Carpenter, MD

Works at hospitals in Augusta, ME · Portland, ME · Brunswick, ME · Maine

Summary

Matthew D. Carpenter, MD (Hospitalist) is listed by Medicare at 3 hospitals in Augusta, ME, Portland, ME and Brunswick, ME. NPI 1689171951. 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 Matthew D. Carpenter, 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

HospitalistPrimary specialty
YesAccepts Medicare assignment
8Years since medical school (graduated 2018)
MaleGender (as listed)

Quick answers

Which hospitals does Matthew D. Carpenter work at?
Medicare's official clinician data lists Matthew D. Carpenter at 3 hospitals: Maine General Medical Center, MaineHealth Maine Medical Center and MaineHealth Mid Coast Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Matthew D. Carpenter see patients?
Medicare's clinician data lists 2 practice locations, including Portland, ME and Augusta, ME. Call before your visit to confirm the address.
What is Matthew D. Carpenter's specialty?
Medicare lists Hospitalist as the primary specialty.
Does Matthew D. Carpenter accept Medicare assignment?
Yes. Medicare's clinician data says Matthew D. Carpenter 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 Matthew D. Carpenter?
(207) 621-1000, as listed in official Medicare / NPI Registry data.
What is Matthew D. Carpenter's NPI number?
1689171951. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Matthew D. Carpenter works

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

Group practices

Medicare enrollment lists Matthew D. Carpenter as a member of these groups (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group
  • Mainegeneral Medical Center555 clinicians in the group

Specialties

Find other Hospitalist doctors in Maine →

Other hospitalists in Portland

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

All hospitalists in Portland →

Clinician information

CredentialMD
Graduation year2018
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689171951
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