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Physician Assistant

Tamsen Howes, PA

Works at hospitals in Portland, ME · Maine

Summary

Tamsen Howes, PA (Physician Assistant) is listed by Medicare at 2 hospitals in Portland, ME. NPI 1144633611. 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 Tamsen Howes, 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

Physician AssistantPrimary specialty
YesAccepts Medicare assignment
12Years since medical school (graduated 2014)
FemaleGender (as listed)

Quick answers

Which hospitals does Tamsen Howes work at?
Medicare's official clinician data lists Tamsen Howes at 2 hospitals: MaineHealth Maine Medical Center and Northern Light Mercy Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Tamsen Howes see patients?
Medicare's clinician data lists 5 practice locations, including Biddeford, ME, Portland, ME and Westbrook, ME. Call before your visit to confirm the address.
What is Tamsen Howes's specialty?
Medicare lists Physician Assistant as the primary specialty.
Does Tamsen Howes accept Medicare assignment?
Yes. Medicare's clinician data says Tamsen Howes 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 Tamsen Howes?
(207) 879-3000, as listed in official Medicare / NPI Registry data.
What is Tamsen Howes's NPI number?
1144633611. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Tamsen Howes works

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

Group practices

Medicare enrollment lists Tamsen Howes as a member of these groups (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group
  • Mercy Hospital301 clinicians in the group

Specialties

Find other clinicians: Physician Assistant, Maine →

Other physician assistants in Biddeford

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

All physician assistants in Biddeford →

Clinician information

CredentialPA
Graduation year2014
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1144633611
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