Active NPI
Darin Ferguson
- Social Worker
- Diamond Springs, CA
National Provider Identifier
1528411949
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 106603
- Practice address
- 768 Pleasant Valley Rd
Diamond Springs, CA 95619-9260 - Phone
- (530) 621-6290
- Fax
- (530) 295-2532
- NPI assigned
- Jul 20, 2016
- Sex
- Male
- Sole proprietor
- Yes
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 |
|---|---|---|---|---|
| Social Worker | 104100000X | 106603 | CA | Primary |
Addresses
Primary practice location
768 Pleasant Valley Rd
Diamond Springs, CA 95619-9260
Mailing address
768 Pleasant Valley Rd
Diamond Springs, CA 95619-9260
Phone (530) 621-6290
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
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 106603 | CA | MD | Dentist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| El Dorado County Mental Health | 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.
-
- Mental Health Clinic/Center (Including Community Mental Health Center)
- Diamond Springs, CA
- NPI 1316158082
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1468972800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1777852800000",
"number": "1528411949",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "768 PLEASANT VALLEY RD",
"city": "DIAMOND SPRINGS",
"state": "CA",
"postal_code": "956199260",
"telephone_number": "530-621-6290",
"fax_number": "530-295-2532"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "768 PLEASANT VALLEY RD",
"city": "DIAMOND SPRINGS",
"state": "CA",
"postal_code": "956199260",
"telephone_number": "530-621-6290",
"fax_number": "530-295-2532"
}
],
"practiceLocations": [],
"basic": {
"last_name": "FERGUSON",
"first_name": "DARIN",
"sole_proprietor": "YES",
"sex": "M",
"enumeration_date": "2016-07-20",
"last_updated": "2026-05-04",
"certification_date": "2026-05-04",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "CA",
"license": "106603",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Diamond Springs, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 4, 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.