Active NPI
Mark Olof Jensen, M.D.
- Surgical Oncology Physician
- Fargo, ND
National Provider Identifier
1659321073
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Oncology Physician
- License
- 26582
- Practice address
- 2101 Elm St N
Fargo, ND 58102-2417 - Phone
- (701) 232-3241
- Fax
- (701) 237-2633
- NPI assigned
- May 10, 2006
- 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 |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 5139 | ND | |
| Surgical Oncology Physician | 2086X0206X | 26582 | MN | Primary |
Addresses
Primary practice location
2101 Elm St N
Fargo, ND 58102-2417
Mailing address
2101 Elm St N
Fargo, ND 58102-2417
Phone (701) 232-3241
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 5139 | ND | MD | Surgery Physician |
| 26582 | MN | MD | Surgical Oncology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1147219200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1757548800000",
"number": "1659321073",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2101 ELM ST N",
"city": "FARGO",
"state": "ND",
"postal_code": "581022417",
"telephone_number": "701-232-3241",
"fax_number": "701-237-2633"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2101 ELM ST N",
"city": "FARGO",
"state": "ND",
"postal_code": "581022417",
"telephone_number": "701-232-3241",
"fax_number": "701-237-2633"
}
],
"practiceLocations": [],
"basic": {
"last_name": "JENSEN",
"first_name": "MARK",
"middle_name": "OLOF",
"name_prefix": "Dr.",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-10",
"last_updated": "2025-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "ND",
"license": "5139",
"primary": false
},
{
"code": "2086X0206X",
"taxonomy_group": "",
"desc": "Surgery, Surgical Oncology",
"state": "MN",
"license": "26582",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Fargo, ND
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.