Active NPI
Natalia Valentinovna Tonseth, NP
- Psychiatric/Mental Health Nurse Practitioner
- Biddeford, ME
National Provider Identifier
1689217903
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Psychiatric/Mental Health Nurse Practitioner
- License
- CNP191100
- Practice address
- 2 Springbrook Dr
Biddeford, ME 04005-9443 - Phone
- (207) 282-1500
- NPI assigned
- Oct 18, 2019
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Psychiatric/Mental Health Nurse Practitioner | 363LP0808X | CNP191100 | ME | Primary |
| Family Nurse Practitioner | 363LF0000X | CNP191100 | ME |
Addresses
Primary practice location
2 Springbrook Dr
Biddeford, ME 04005-9443
Mailing address
2 Springbrook Dr
Biddeford, ME 04005-9443
Phone (207) 282-1500
Other practice location 1
474 Main St
Springvale, ME 04083-1409
Phone (844) 292-0111
Other practice location 2
25 June St
Sanford, ME 04073-2621
Phone (207) 490-7000
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ME
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2 Springbrook Dr
Biddeford, ME 04005-9443
Phone (844) 292-0111
22 Bramhall St
Portland, ME 04102-3134
Phone (207) 885-9905
Hospital & facility affiliations
Merit-based Incentive Payment System (MIPS)
- Final score
- 97.93 of 100
- Quality
- 83.31
- Promoting interoperability
- 100
- Improvement activities
- 40
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| CNP191100 | ME | MD | Psychiatric/Mental Health Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Current | Accepting new patients | |
| Mainehealth | Past | Accepting new patients |
Locations
2 Springbrook Dr
Biddeford, ME 04005
Phone (207) 252-1500
22 Bramhall St
Portland, ME 04102
Phone (207) 662-2179
474 Main St
Springvale, ME 04083
Phone (207) 324-1500
Interoperability endpoints
- ntonseth55057@direct.mmc.mainehealth.org
Organizations & group practices 3
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.
-
- Psychiatric Hospital
- Westbrook, ME
- NPI 1790265502
-
- Community/Behavioral Health Agency
- Portland, ME
- NPI 1265912067
-
- Family Medicine Physician
- Portland, ME
- NPI 1629761978
Hospital & facility affiliations 36
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- General Acute Care Hospital
- Scarborough, ME
- NPI 1053647024
-
- General Acute Care Hospital
- Portland, ME
- NPI 1346267879
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1571356800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1772496000000",
"number": "1689217903",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2 SPRINGBROOK DR",
"city": "BIDDEFORD",
"state": "ME",
"postal_code": "040059443",
"telephone_number": "207-282-1500"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2 SPRINGBROOK DR",
"city": "BIDDEFORD",
"state": "ME",
"postal_code": "040059443",
"telephone_number": "207-282-1500"
}
],
"practiceLocations": [
{
"address_1": "474 Main St",
"address_purpose": "LOCATION",
"city": "Springvale",
"state": "ME",
"postal_code": "040831409",
"country_code": "US",
"telephone_number": "844-292-0111",
"fax_number": "207-490-5263",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "25 June St",
"address_purpose": "LOCATION",
"city": "Sanford",
"state": "ME",
"postal_code": "040732621",
"country_code": "US",
"telephone_number": "207-490-7000",
"fax_number": "207-490-7002",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "TONSETH",
"first_name": "NATALIA",
"middle_name": "VALENTINOVNA",
"credential": "NP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-10-18",
"last_updated": "2026-03-03",
"certification_date": "2026-03-03",
"status": "A"
},
"taxonomies": [
{
"code": "363LP0808X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Psychiatric/Mental Health",
"state": "ME",
"license": "CNP191100",
"primary": true
},
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "ME",
"license": "CNP191100",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Biddeford, ME
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 3, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.