Active NPI
Whitney Layne Willis, MSW, LCSW
- Clinical Social Worker
- La Mesa, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Social Worker
- License
- 129984
- Practice address
- 8881 Fletcher Pkwy Ste 350&360
La Mesa, CA 91942-3134 - Phone
- (858) 279-1223
- NPI assigned
- Aug 22, 2017
- Sex
- Female
- 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 |
|---|---|---|---|---|
| Clinical Social Worker | 1041C0700X | 129984 | CA | Primary |
Addresses
Primary practice location
8881 Fletcher Pkwy Ste 350&360
La Mesa, CA 91942-3134
Mailing address
8881 Fletcher Pkwy Ste 350&360
La Mesa, CA 91942-3134
Phone (858) 279-1223
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Other URL | https://wp.options.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in CA
- Eligible to order & refer
- Part B services: No
- 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, 2020
- Medicare assignment
- May accept Medicare assignment
Practice addresses (Care Compare)
490 Post St
San Francisco, CA 94102-1301
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Pacific Coast Psychiatric Associates Inc | Current | Accepting new patients | |
| Options Counseling Services of Oregon | Past | Accepting new patients |
Locations
8881 Fletcher Pkwy
Ste 350360
La Mesa, CA 91942
Phone (877) 329-0982
8881 Fletcher Pkwy
Ste 360
La Mesa, CA 91942
Phone (619) 460-2700
8881 Fletcher Pkwy
Ste 350
La Mesa, CA 91942
Phone (619) 465-9792
6200 Wilshire Blvd
Ste 1410
Los Angeles, CA 90048
Phone (323) 403-0474
490 Post St
Ste 1043
San Francisco, CA 94102
Phone (415) 409-0944
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.
-
- Mental Health Counselor
- Eugene, OR
- NPI 1548275217
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1503360000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1748304000000",
"number": "1043736952",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "8881 FLETCHER PKWY STE 350&360",
"city": "LA MESA",
"state": "CA",
"postal_code": "919423134",
"telephone_number": "858-279-1223"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "8881 FLETCHER PKWY STE 350&360",
"city": "LA MESA",
"state": "CA",
"postal_code": "919423134",
"telephone_number": "858-279-1223"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WILLIS",
"first_name": "WHITNEY",
"middle_name": "LAYNE",
"credential": "MSW, LCSW",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2017-08-22",
"last_updated": "2025-05-27",
"certification_date": "2025-05-27",
"status": "A"
},
"taxonomies": [
{
"code": "1041C0700X",
"taxonomy_group": "",
"desc": "Social Worker, Clinical",
"state": "CA",
"license": "129984",
"primary": true
}
],
"identifiers": [],
"endpoints": [
{
"endpointType": "OTHERS",
"endpointTypeDescription": "Other URL",
"endpoint": "https://wp.options.org",
"affiliation": "N",
"endpointDescription": "Other Endpoint",
"use": "DIRECT",
"useDescription": "Direct",
"contentType": "CSV",
"contentTypeDescription": "CSV",
"address_1": "3500 Chad Dr Ste 350",
"city": "Eugene",
"state": "OR",
"country_code": "US",
"postal_code": "974087602",
"country_name": "United States",
"address_type": "DOM"
}
],
"other_names": []
}
Other providers in La Mesa, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 27, 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.