Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Nurse Practitioner

Natalia Tonseth

Works at hospitals in Portland, ME · Maine

Summary

Natalia Tonseth (Nurse Practitioner) is listed by Medicare at 1 hospital in Portland, ME. NPI 1689217903. 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 Natalia Tonseth, 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

Nurse PractitionerPrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
7Years since medical school (graduated 2019)
FemaleGender (as listed)
MaineHealthGroup practice

Quick answers

Which hospitals does Natalia Tonseth work at?
Medicare's official clinician data lists Natalia Tonseth at 1 hospital: MaineHealth Maine Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Natalia Tonseth 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 Natalia Tonseth's specialty?
Medicare lists Nurse Practitioner as the primary specialty.
Does Natalia Tonseth accept Medicare assignment?
Yes. Medicare's clinician data says Natalia Tonseth 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.
Does Natalia Tonseth offer telehealth?
Medicare's clinician data says Natalia Tonseth offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Natalia Tonseth?
(844) 292-0111, as listed in official Medicare / NPI Registry data.
What is Natalia Tonseth's NPI number?
1689217903. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Natalia Tonseth works

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

Group practices

Medicare enrollment lists Natalia Tonseth as a member of this group (CMS data updated 2026-10-02).

  • MaineHealth2,633 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maine →

Other nurse practitioners in Biddeford

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

All nurse practitioners in Biddeford →

Clinician information

Graduation year2019
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1689217903
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