Active NPI
Theoren Mark Solseng, MD
- Family Medicine Physician
- Grand Forks, ND
National Provider Identifier
1528816675
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- 23255
- Practice address
- 725 Hamline St
Grand Forks, ND 58203-2819 - Phone
- (218) 415-0716
- NPI assigned
- May 13, 2024
- Sex
- Male
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | 23255 | ND | Primary |
| Student in an Organized Health Care Education/Training Program | 390200000X |
Addresses
Primary practice location
725 Hamline St
Grand Forks, ND 58203-2819
Mailing address
725 Hamline St
Grand Forks, ND 58203-2819
Other practice location 1
315 E Caledonia Ave
Hillsboro, ND 58045-4701
Phone (701) 636-5311
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in ND
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20260409003564 | ND | Practitioner - Family Practice | 6002352531 | Reassigns benefits to 2 organizations |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 23255 | ND | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Sanford Medical Center Fargo | Past | Accepting new patients | |
| Sanford Health Network North | Past | Accepting new patients |
Organizations & group practices 18
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.
-
- Critical Access Hospital
- Hillsboro, ND
- NPI 1184725194
-
- Rural Health Clinic/Center
- Hillsboro, ND
- NPI 1265464259
-
- Critical Access Hospital
- Mayville, ND
- NPI 1518061803
-
- Skilled Nursing Facility
- Hillsboro, ND
- NPI 1528150067
-
- Medicare Defined Swing Bed Hospital Unit
- Hillsboro, ND
- NPI 1720170939
-
- Critical Access Hospital
- Thief River Falls, MN
- NPI 1043218753
-
- Medicare Defined Swing Bed Hospital Unit
- Wheaton, MN
- NPI 1063706489
-
- Critical Access Hospital
- Wheaton, MN
- NPI 1154615573
-
- Critical Access Hospital
- Thief River Falls, MN
- NPI 1184781775
-
- Rural Health Clinic/Center
- Wheaton, MN
- NPI 1245524669
Hospital & facility affiliations 6
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Ambulatory Surgical Clinic/Center
- Bemidji, MN
- NPI 1093876922
Hospital
Care Compare profile
Medicare Care Compare- Specialty
- Family Practice
- Education
- University of Nevada School of Medicine, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Sanford Health Network North
Practice addresses (Care Compare)
12 3Rd St SE
Hillsboro, ND 58045-4840
Phone (701) 636-3219
315 E Caledonia Ave
Hillsboro, ND 58045-4701
Phone (701) 636-5311
407 Washington Ave E
Finley, ND 58230-3031
Phone (701) 524-1005
Hospital & facility affiliations
- Sanford Hillsboro
- Sanford Medical Center Fargo
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1715558400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1769904000000",
"number": "1528816675",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "725 HAMLINE ST",
"city": "GRAND FORKS",
"state": "ND",
"postal_code": "582032819"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "725 HAMLINE ST",
"city": "GRAND FORKS",
"state": "ND",
"postal_code": "582032819",
"telephone_number": "218-415-0716"
}
],
"practiceLocations": [
{
"address_1": "315 E Caledonia Ave",
"address_purpose": "LOCATION",
"city": "Hillsboro",
"state": "ND",
"postal_code": "580454701",
"country_code": "US",
"telephone_number": "701-636-5311",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SOLSENG",
"first_name": "THEOREN",
"middle_name": "MARK",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-05-13",
"last_updated": "2026-02-01",
"certification_date": "2026-02-01",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "ND",
"license": "23255",
"primary": true
},
{
"code": "390200000X",
"taxonomy_group": "",
"desc": "Student in an Organized Health Care Education/Training Program",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Grand Forks, ND
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 1, 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.