Active NPI
Summer Leigh Walker
- Case Manager/Care Coordinator
- Clearlake, CA
National Provider Identifier
1639022486
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Case Manager/Care Coordinator
- Practice address
- 7000B S Center Dr
Clearlake, CA 95422-8458 - Phone
- (707) 995-4263
- NPI assigned
- Feb 19, 2026
- Last updated
- Feb 19, 2026
- 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 |
|---|---|---|---|---|
| Case Manager/Care Coordinator | 171M00000X | CA | Primary |
Addresses
Primary practice location
7000B S Center Dr
Clearlake, CA 95422-8458
Mailing address
3630 Country Club Dr SPC 40
Lucerne, CA 95458-8566
Phone (408) 439-5329
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1771459200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1771459200000",
"number": "1639022486",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "3630 COUNTRY CLUB DR SPC 40",
"city": "LUCERNE",
"state": "CA",
"postal_code": "954588566",
"telephone_number": "408-439-5329"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "7000B S CENTER DR",
"city": "CLEARLAKE",
"state": "CA",
"postal_code": "954228458",
"telephone_number": "707-995-4263"
}
],
"practiceLocations": [],
"basic": {
"last_name": "WALKER",
"first_name": "SUMMER",
"middle_name": "LEIGH",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-02-19",
"last_updated": "2026-02-19",
"certification_date": "2026-02-19",
"status": "A"
},
"taxonomies": [
{
"code": "171M00000X",
"taxonomy_group": "",
"desc": "Case Manager/Care Coordinator",
"state": "CA",
"license": null,
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Clearlake, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 19, 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.