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Internal Medicine

Louisa J. Bauer, MD

Works at hospitals in Portland, ME · Maine

Summary

Louisa J. Bauer, MD (Internal Medicine) is listed by Medicare at 1 hospital in Portland, ME. NPI 1811574668. 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 Louisa J. Bauer, 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

Internal MedicinePrimary specialty
YesAccepts Medicare assignment
5Years since medical school (graduated 2021)
Tufts University School Of MedicineMedical school
FemaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Louisa J. Bauer work at?
Medicare's official clinician data lists Louisa J. Bauer at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Louisa J. Bauer see patients?
Medicare's clinician data lists 2 practice locations, including Biddeford, ME and Portland, ME. Call before your visit to confirm the address.
What is Louisa J. Bauer's specialty?
Medicare lists Internal Medicine as the primary specialty.
Does Louisa J. Bauer accept Medicare assignment?
Yes. Medicare's clinician data says Louisa J. Bauer 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 Louisa J. Bauer's NPI number?
1811574668. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Louisa J. Bauer works

Medicare's Facility Affiliation Data lists Louisa J. Bauer 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 Louisa J. Bauer is enrolled with Medicare (CMS data updated 2026-10-02).

  • 1 Medical Ctr DrBiddeford, ME 04005
  • 22 Bramhall StPortland, ME 04102

Group practices

Medicare enrollment lists Louisa J. Bauer as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other Internal Medicine doctors in Maine →

Other internal medicine doctors in Biddeford

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

All internal medicine doctors in Biddeford →

Clinician information

CredentialMD
Medical schoolTufts University School Of Medicine
Graduation year2021
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811574668
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