Natalia Valentinovna Tonseth, NP
Psychiatric/Mental Health Nurse Practitioner · Biddeford, ME
Natalia Valentinovna Tonseth, NP is a psychiatric/mental health nurse practitioner with a practice address in Biddeford, Maine, and NPI 1689217903, issued on Oct 18, 2019. Check the license (Maine CNP191100, as entered in NPPES) with the Maine board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Natalia Valentinovna Tonseth
- Credential
- NP
- Primary taxonomy
- Psychiatric/Mental Health Nurse Practitioner 363LP0808X
- License number
- CNP191100 ME
Self-reported in NPPES; status is on the state search - Practice location
- 2 Springbrook Dr, Biddeford, ME 04005
- Phone
- (207) 282-1500
- Enumerated
- Oct 18, 2019
- Record last updated
- Mar 3, 2026
- Medicare enrollment
- Enrolled (PECOS I20200110001658); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatric/mental health nurse practitioner records → All 472 in Maine → Look up another NPI →
Also registered at 2 Springbrook Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Allison Baird, NP, RNPsychiatric/Mental Health Nurse Practitioner1982011086
- Jennifer Bell, RNRegistered Nurse1740583285
- Sara Beth Berner-Orcutt, D.O.Psychiatry Physician1164868246
- Kimberly Berry, LMSW-CCSocial Worker1659608792
- Gary Bingham, LCPCProfessional Counselor1306016514
- Meghan BlaszczykClinical Social Worker1548758329
Verify Natalia Valentinovna Tonseth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Maine board licenses this profession
Search for license CNP191100Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average psychiatric/mental health nurse practitioner in 2024
31 Medicare Part D claims for 14 beneficiaries, against an average of 906 among the 30,717 providers of this specialty who prescribed in Part D.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- MainehealthBiddeford, ME
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Natalia Valentinovna Tonseth among 472 psychiatric/mental health nurse practitioner records in Maine
Natalia Valentinovna Tonseth, NP is one of 472 psychiatric/mental health nurse practitioner records with a practice address in Maine. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 54% of them.
- NPI issued2019 · 54% of these records are older, 40% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 64% of these records are
- Graduated2019 · median 2019 among the 303 with a school on file
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LP0808X and a Maine practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 psychiatric/mental health nurse practitioner records list a practice address in Biddeford
They are 15 of the 905 NPPES records with a practice address in Biddeford, and 472 psychiatric/mental health nurse practitioner records in Maine.
All 472 in Maine → Every provider in Biddeford → Psychiatric/Mental Health Nurse Practitioner nationwide →
The 8 psychiatric/mental health nurse practitioner records with the nearest ZIP codes
- Allison Baird, NP, RNBiddeford, ME 040051982011086
- Jamie Bannister, APRN-CNPBiddeford, ME 040051093316796
- Kimberly Comparetto, APRN-CNPBiddeford, ME 040051558440636
- Jean Dowling, PMHNPBiddeford, ME 040051932163599
- Mollie Flahaven, NP, RNBiddeford, ME 040051922062025
- Denise Fuhrmann, PMHNP-BCBiddeford, ME 040051720179419
- Julia Kahr, PMHNPBiddeford, ME 040051215554712
- Elizabeth Mullany, PMHNPBiddeford, ME 040051306961180
Common questions
What is Natalia Valentinovna Tonseth, NP's NPI number?
Natalia Valentinovna Tonseth, NP's National Provider Identifier (NPI) is 1689217903, issued on Oct 18, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Natalia Valentinovna Tonseth, NP located?
The NPPES record lists a practice address at 2 Springbrook Dr, Biddeford, ME, 04005. Phone: (207) 282-1500. Providers update this record themselves, so call before visiting.
How can I verify Natalia Valentinovna Tonseth, NP's license?
NPPES lists Maine license number CNP191100, as entered by the provider. Search the Maine board that licenses this profession; the NPPES record confirms identity only.
How much does Natalia Valentinovna Tonseth, NP prescribe under Medicare Part D?
In 2024, Natalia Valentinovna Tonseth, NP had 31 Medicare Part D claims for 14 beneficiaries; the average among psychiatric/mental health nurse practitioner prescribers was 906. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.