Active NPI
Daniel O Southern, MD
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- Norwalk, CT
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- License
- 042845
- Practice address
- 91 East Ave Ste 1a
Norwalk, CT 06851-5020 - Phone
- (203) 456-5717
- Fax
- (203) 445-6184
- NPI assigned
- Jul 12, 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 |
|---|---|---|---|---|
| Physical Medicine & Rehabilitation Physician | 208100000X | 042845 | CT | |
| Pain Medicine (Physical Medicine & Rehabilitation) Physician | 2081P2900X | 042845 | CT | Primary |
| Pain Medicine Physician | 208VP0000X | 042845 | CT |
Addresses
Primary practice location
91 East Ave Ste 1a
Norwalk, CT 06851-5020
Mailing address
91 East Ave Ste 1a
Norwalk, CT 06851-5020
Phone (203) 456-5717
Other practice location 1
195 Danbury Road, Suite B220
Wilton, CT 06897
Phone (203) 456-5717
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CT
- 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 |
|---|---|---|---|---|
| I20041124000551 | CT | Practitioner - Physical Medicine and Rehabilitation | 3173505856 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Physical Medicine and Rehabilitation
- Education
- State University of Ny Upstate Medical University, 1999
- Medicare assignment
- May accept Medicare assignment
- Telehealth
- Offers telehealth services
Practice addresses (Care Compare)
195 Danbury Rd
Suite 220
Wilton, CT 06897-4075
91 E Ave
Suite 1a
Norwalk, CT 06851-5020
Phone (203) 456-5717
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 042845 | CT | MD | Physical Medicine & Rehabilitation Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Interventional Orthopedics CT, P.C | Pain Medicine | Current | Accepting new patients |
| Orthoconnecticut, PLLC | Past | Accepting new patients |
Locations
91 East Ave
Ste 1A
Norwalk, CT 06851
Phone (203) 456-5717
195 Danbury Rd
Ste 220
Wilton, CT 06897
Phone (203) 456-5717
195 Danbury Rd
Ste B220
Wilton, CT 06897
Phone (203) 456-5717
Interoperability endpoints
- dsouthern@doa1744.srs-direct.com
Organizations & group practices 2
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.
-
- Pain Medicine (Physical Medicine & Rehabilitation) Physician
- Wilton, CT
- NPI 1134740566
CT, Pain Medicine
-
- Orthopaedic Surgery Physician
- Danbury, CT
- NPI 1770507345
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1152662400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765756800000",
"number": "1154346302",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "91 EAST AVE STE 1A",
"city": "NORWALK",
"state": "CT",
"postal_code": "068515020",
"telephone_number": "203-456-5717",
"fax_number": "203-445-6184"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "91 EAST AVE STE 1A",
"city": "NORWALK",
"state": "CT",
"postal_code": "068515020",
"telephone_number": "203-456-5717",
"fax_number": "203-445-6184"
}
],
"practiceLocations": [
{
"address_1": "195 Danbury Road, Suite B220",
"address_purpose": "LOCATION",
"city": "Wilton",
"state": "CT",
"postal_code": "06897",
"country_code": "US",
"telephone_number": "203-456-5717",
"fax_number": "203-445-6184",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "SOUTHERN",
"first_name": "DANIEL",
"middle_name": "O",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2006-07-12",
"last_updated": "2025-12-15",
"certification_date": "2025-12-15",
"status": "A"
},
"taxonomies": [
{
"code": "208100000X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation",
"state": "CT",
"license": "042845",
"primary": false
},
{
"code": "2081P2900X",
"taxonomy_group": "",
"desc": "Physical Medicine & Rehabilitation, Pain Medicine",
"state": "CT",
"license": "042845",
"primary": true
},
{
"code": "208VP0000X",
"taxonomy_group": "",
"desc": "Pain Medicine, Pain Medicine",
"state": "CT",
"license": "042845",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Norwalk, CT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 15, 2025; 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.