Active NPI
Gene Kopelson, M.D.
- Radiation Oncology Physician
- Salt Lake City, UT
National Provider Identifier
1952369829
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Radiation Oncology Physician
- License
- 43100
- Practice address
- 675 E 2100 S
Suite 390
Salt Lake City, UT 84106-1887 - Phone
- (800) 366-1884
- NPI assigned
- May 2, 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Radiation Oncology Physician | 2085R0001X | 43100 | MA | Primary |
Addresses
Primary practice location
675 E 2100 S
Suite 390
Salt Lake City, UT 84106-1887
Mailing address
139 Wildrose Rd
Orange, CT 06477-1836
Phone (800) 366-1884
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 |
|---|---|---|---|
| 43100 | MA | MD | Radiation Oncology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Radiation Oncology of Southern CT, LLC | Radiation Oncology | Past | Accepting new patients |
Organizations & group practices 1
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.
-
- Radiation Oncology Physician
- Bridgeport, CT
- NPI 1568449023
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1146528000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1952369829",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "139 WILDROSE RD",
"city": "ORANGE",
"state": "CT",
"postal_code": "064771836",
"telephone_number": "800-366-1884"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "675 E 2100 S",
"address_2": "SUITE 390",
"city": "SALT LAKE CITY",
"state": "UT",
"postal_code": "841061887",
"telephone_number": "800-366-1884"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KOPELSON",
"first_name": "GENE",
"credential": "M.D.",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-05-02",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "2085R0001X",
"taxonomy_group": "",
"desc": "Radiology, Radiation Oncology",
"state": "MA",
"license": "43100",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Salt Lake City, UT
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.