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Physical Medicine and Rehabilitation

John Pier Iii, MD

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

Summary

John Pier Iii, MD (Physical Medicine and Rehabilitation) is listed by Medicare at 2 hospitals in Portland, ME and Belfast, ME. NPI 1447294251. 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 John Pier Iii, 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

Physical Medicine and RehabilitationPrimary specialty
YesAccepts Medicare assignment
36Years since medical school (graduated 1990)
Geisel School Of Medicine At DartmouthMedical school
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does John Pier Iii work at?
Medicare's official clinician data lists John Pier Iii at 2 hospitals: MaineHealth Maine Medical Center and MaineHealth Waldo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does John Pier Iii see patients?
Medicare's clinician data lists 1 practice location in Portland, ME. Call before your visit to confirm the address.
What is John Pier Iii's specialty?
Medicare lists Physical Medicine and Rehabilitation as the primary specialty, and also Pain Management.
Does John Pier Iii accept Medicare assignment?
Yes. Medicare's clinician data says John Pier Iii 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 John Pier Iii?
(207) 706-3280, as listed in official Medicare / NPI Registry data.
What is John Pier Iii's NPI number?
1447294251. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where John Pier Iii works

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

Group practices

Medicare enrollment lists John Pier Iii as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Physical Medicine and Rehabilitation doctors in Maine →

Other rehabilitation doctors in Portland

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

All rehabilitation doctors in Portland →

Clinician information

CredentialMD
Medical schoolGeisel School Of Medicine At Dartmouth
Graduation year1990
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1447294251
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