Active NPI
John O'Sullivan, MBBS
- Surgery Physician
- Cambridge, MN
National Provider Identifier
1689634370
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgery Physician
- License
- 35074
- Practice address
- 701 Dellwood St S
Cambridge, MN 55008-1920 - Phone
- (763) 689-7700
- Fax
- (763) 689-7941
- NPI assigned
- Mar 25, 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 3
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Surgery Physician | 208600000X | 35074 | MN | Primary |
| Surgery Physician | 208600000X | 3657 | MT | |
| Surgery Physician | 208600000X | 0693 | SD |
Addresses
Primary practice location
701 Dellwood St S
Cambridge, MN 55008-1920
Mailing address
PO Box 43
Mr 10809
Minneapolis, MN 55440-0043
Phone (612) 262-4813
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)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 3657 | MT | MD | Pharmacist |
| 35074 | MN | MD | Obstetrics & Gynecology Physician |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1143244800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1689634370",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 43",
"address_2": "MR 10809",
"city": "MINNEAPOLIS",
"state": "MN",
"postal_code": "554400043",
"telephone_number": "612-262-4813",
"fax_number": "612-262-4194"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "701 DELLWOOD ST S",
"city": "CAMBRIDGE",
"state": "MN",
"postal_code": "550081920",
"telephone_number": "763-689-7700",
"fax_number": "763-689-7941"
}
],
"practiceLocations": [],
"basic": {
"last_name": "O'SULLIVAN",
"first_name": "JOHN",
"credential": "MBBS",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-03-25",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MN",
"license": "35074",
"primary": true
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "MT",
"license": "3657",
"primary": false
},
{
"code": "208600000X",
"taxonomy_group": "",
"desc": "Surgery",
"state": "SD",
"license": "0693",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Cambridge, MN
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.