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Family Practice

Cassandre E. Tanner, DO

Works at hospitals in Damariscotta, ME · Rockport, ME · Belfast, ME · Maine

Summary

Cassandre E. Tanner, DO (Family Practice) is listed by Medicare at 3 hospitals in Damariscotta, ME, Rockport, ME and Belfast, ME. NPI 1649705054. 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 Cassandre E. Tanner, 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
9Years since medical school (graduated 2017)
University Of New England, College Of Osteo MedicineMedical school
FemaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Cassandre E. Tanner work at?
Medicare's official clinician data lists Cassandre E. Tanner at 3 hospitals: Lincolnhealth, MaineHealth Pen Bay Hospital and MaineHealth Waldo Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Cassandre E. Tanner see patients?
Medicare's clinician data lists 2 practice locations, including Rockport, ME and Portland, ME. Call before your visit to confirm the address.
What is Cassandre E. Tanner's specialty?
Medicare lists Family Practice as the primary specialty.
Does Cassandre E. Tanner accept Medicare assignment?
Yes. Medicare's clinician data says Cassandre E. Tanner 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 Cassandre E. Tanner's NPI number?
1649705054. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Cassandre E. Tanner works

Medicare's Facility Affiliation Data lists Cassandre E. Tanner 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 Cassandre E. Tanner is enrolled with Medicare (CMS data updated 2026-10-02).

  • 15 Anchor DrRockport, ME 04856
  • 22 Bramhall StPortland, ME 04102

Group practices

Medicare enrollment lists Cassandre E. Tanner 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 Rockport

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

All family doctors in Rockport →

Clinician information

CredentialDO
Medical schoolUniversity Of New England, College Of Osteo Medicine
Graduation year2017
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1649705054
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