Natalia Tonseth, NP
NPI 1689217903 · Psychiatric/Mental Health Nurse Practitioner · Biddeford, ME
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Natalia Tonseth, NP is a Psychiatric/Mental Health Nurse Practitioner provider in Biddeford, ME (NPI 1689217903).
Provider details
- NPI number
- 1689217903
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NP
- Sex
- Female
- Sole proprietor
- No
- License
- CNP191100 (ME)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
3 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (2)
- 25 June StSanford, ME 04073-2621Phone: (207) 490-7000Fax: (207) 490-7002
- 474 Main StSpringvale, ME 04083-1409Phone: (844) 292-0111Fax: (207) 490-5263
Registry dates
- Enumerated
- 2019-10-18
- Last updated
- 2026-03-03
- Certified
- 2026-03-03
Frequently asked questions
- What is Natalia Tonseth's NPI number?
- Natalia Tonseth's National Provider Identifier (NPI) is 1689217903, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Natalia Tonseth's specialty?
- Natalia Tonseth is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Natalia Tonseth located?
- Natalia Tonseth's practice location on file with NPPES is 2 Springbrook Dr, Biddeford, ME 04005-9443.
- What is Natalia Tonseth's phone number?
- The practice phone number listed in the NPPES registry for Natalia Tonseth is (207) 282-1500.
- Does Natalia Tonseth accept Medicare?
- Natalia Tonseth is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Natalia Tonseth's NPI active?
- Yes — Natalia Tonseth's NPI (1689217903) is active in the NPPES registry as of the last update on 2026-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.