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Family Practice

G Sean Callender, MD

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

Summary

G Sean Callender, MD (Family Practice) is listed by Medicare at 2 hospitals in Portland, ME and Norway, ME. NPI 1932117678. 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 G Sean Callender, 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

Family PracticePrimary specialty
YesAccepts Medicare assignment
23Years since medical school (graduated 2003)
Loma Linda University School Of MedicineMedical school
MaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does G Sean Callender work at?
Medicare's official clinician data lists G Sean Callender at 2 hospitals: MaineHealth Maine Medical Center and MaineHealth Stephens Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does G Sean Callender see patients?
Medicare's clinician data lists 2 practice locations, including Norway, ME and Portland, ME. Call before your visit to confirm the address.
What is G Sean Callender's specialty?
Medicare lists Family Practice as the primary specialty.
Does G Sean Callender accept Medicare assignment?
Yes. Medicare's clinician data says G Sean Callender 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 G Sean Callender?
(207) 743-5933, as listed in official Medicare / NPI Registry data.
What is G Sean Callender's NPI number?
1932117678. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where G Sean Callender works

Medicare's Facility Affiliation Data lists G Sean Callender 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 G Sean Callender is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists G Sean Callender as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Family Practice doctors in Maine →

Other family doctors in Norway

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

All family doctors in Norway →

Clinician information

CredentialMD
Medical schoolLoma Linda University School Of Medicine
Graduation year2003
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1932117678
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