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Internal Medicine

Sarah G. Gensheimer, MD

Sees patients in Portland, ME · Maine

Summary

Dr. Sarah G. Gensheimer, MD is an internal medicine doctor at 22 Bramhall St, Portland, ME 04102. Accepts Medicare assignment. NPI 1629434352. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 22 Bramhall St, Portland, ME 04102 · Directions
  • Medicare: Accepts Medicare assignment
  • Group practice: MaineHealth
  • Medical school: Johns Hopkins University School Of Medicine · graduated 2023 (3 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah G. Gensheimer, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Sarah G. Gensheimer accept Medicare assignment?
Yes. Medicare's clinician data says Sarah G. Gensheimer accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Sarah G. Gensheimer's NPI number?
1629434352. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Sarah G. Gensheimer is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Sarah G. Gensheimer as a member of this group (CMS data updated October 2, 2026).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maine →

Other internal medicine doctors in Portland

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

All internal medicine doctors in Portland →

Other clinicians in MaineHealth

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year2023 (3 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1629434352
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians