Active NPI
Prism Sports Medicine, LLC
- Orthopaedic Surgery Physician
- Hartford, CT
National Provider Identifier
1851920029
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery Physician
- Legal business name
- PRISM SPORTS MEDICINE, LLC
- Practice address
- 31 Seymour St Ste 204
Hartford, CT 06106-5505 - Phone
- (860) 421-3233
- NPI assigned
- Apr 8, 2020
- Last updated
- Nov 19, 2025
- Organization subpart
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Authorized official
- Name
- Carl Nissen, MD
- Title
- Owner
- Phone
- (860) 282-4128
Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | Primary | ||
| Sports Medicine (Orthopaedic Surgery) Physician | 207XX0005X |
Addresses
Primary practice location
31 Seymour St Ste 204
Hartford, CT 06106-5505
Mailing address
31 Pinnacle Ridge Rd
Farmington, CT 06032-3041
Phone (860) 421-3233
Other identifiers 1
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 00000000 | Medicaid | CT |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
Enrollment records 1
National Provider Directory
National Provider DirectoryPractitioners & affiliated clinicians
Practitioners 1
Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.
-
- Orthopaedic Surgery Physician
- Hartford, CT
- NPI 1982601530
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1586304000000",
"enumeration_type": "NPI-2",
"last_updated_epoch": "1763510400000",
"number": "1851920029",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "31 PINNACLE RIDGE RD",
"city": "FARMINGTON",
"state": "CT",
"postal_code": "060323041",
"telephone_number": "860-421-3233"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "31 SEYMOUR ST STE 204",
"city": "HARTFORD",
"state": "CT",
"postal_code": "061065505",
"telephone_number": "860-421-3233"
}
],
"practiceLocations": [],
"basic": {
"organization_name": "PRISM SPORTS MEDICINE, LLC",
"organizational_subpart": "NO",
"enumeration_date": "2020-04-08",
"last_updated": "2025-11-19",
"certification_date": "2025-11-19",
"status": "A",
"authorized_official_last_name": "NISSEN",
"authorized_official_first_name": "CARL",
"authorized_official_title_or_position": "OWNER",
"authorized_official_telephone_number": "860-282-4128",
"authorized_official_credential": "MD"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Orthopaedic Surgery",
"state": null,
"license": null,
"primary": true
},
{
"code": "207XX0005X",
"taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
"desc": "Orthopaedic Surgery, Sports Medicine",
"state": null,
"license": null,
"primary": false
}
],
"identifiers": [
{
"code": "05",
"desc": "MEDICAID",
"issuer": null,
"identifier": "00000000",
"state": "CT"
}
],
"endpoints": [],
"other_names": []
}
Other providers in Hartford, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 19, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.