Active NPI
Chelsea Grenfell
- Social Worker
- Upland, CA
National Provider Identifier
1154849602
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Social Worker
- License
- 92355
- Practice address
- 1425 W Foothill Blvd Ste 201
Upland, CA 91786-3637 - Phone
- (877) 527-7227
- NPI assigned
- Sep 5, 2017
- Sex
- Female
- 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 | 92355 | CA | Primary |
Addresses
Primary practice location
1425 W Foothill Blvd Ste 201
Upland, CA 91786-3637
Mailing address
25910 Acero Ste 160
Mission Viejo, CA 92691-2777
Phone (877) 527-7227
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: No
- Power mobility devices: No
- Hospice: No
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Clinical Social Worker
- Education
- Other, 2018
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
10350 Heritage Park Dr
Suite 200
Santa Fe Springs, CA 90670-3787
139 Duncans Mill Dr
Locust Grove, GA 30248-2629
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 92355 | CA | MD | Social Worker |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Tender Loving Care Home for Boys, Inc | Past | Accepting new patients | |
| Trinity Youth Services | Past | Accepting new patients |
Organizations & group practices 3
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.
-
- Primary Care Clinic/Center
- San Bernardino, CA
- NPI 1841437241
-
- Emotionally Disturbed Childrens' Residential Treatment Facility
- Rancho Cucamonga, CA
- NPI 1720514896
-
- Emotionally Disturbed Childrens' Residential Treatment Facility
- Yucaipa, CA
- NPI 1861848525
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1504569600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1737072000000",
"number": "1154849602",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "25910 ACERO STE 160",
"city": "MISSION VIEJO",
"state": "CA",
"postal_code": "926912777",
"telephone_number": "877-527-7227"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1425 W FOOTHILL BLVD STE 201",
"city": "UPLAND",
"state": "CA",
"postal_code": "917863637",
"telephone_number": "877-527-7227"
}
],
"practiceLocations": [],
"basic": {
"last_name": "GRENFELL",
"first_name": "CHELSEA",
"sole_proprietor": "YES",
"sex": "F",
"enumeration_date": "2017-09-05",
"last_updated": "2025-01-17",
"certification_date": "2025-01-17",
"status": "A"
},
"taxonomies": [
{
"code": "104100000X",
"taxonomy_group": "",
"desc": "Social Worker",
"state": "CA",
"license": "92355",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Upland, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 17, 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.