Individual provider Active NPI

Cayleigh Williamson, CRNA

  • Certified Registered Nurse Anesthetist
  • Oakland, CA
National Provider Identifier
1144863440
Registry record updated Jan 3, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
95001210 Issued in CA
Practice address
3600 Broadway
Oakland, CA 94611-5730
Phone
(510) 752-1000
NPI assigned
Oct 21, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jan 3, 2022

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 95001210 CA Primary

Addresses

Primary practice location

3600 Broadway
Oakland, CA 94611-5730

Mailing address

2348 Greenwood Rd
Pleasanton, CA 94566-4630
Phone (415) 312-7909

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq Health Information Exchange (HIE) The Permanente Medical Group

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20201008001833 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 0244650448 Reassigns benefits to 10 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Valley Regional Anesthesia Associates IncGroup PAC ID 3870964323, 143 clinicians
Cep America - Anesthesia PCGroup PAC ID 3678897915, 849 clinicians

Practice addresses (Care Compare)

465 W Putnam Ave
Porterville, CA 93257-3320
Phone (559) 784-1110

975 S Fairmont Ave
Lodi, CA 95240-5118
Phone (209) 334-3411

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
63.03 of 100Reported as group
Quality
44.74
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
95001210CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc CurrentSince Jul 15, 2020 Accepting new patients
Sutter Valley Medical Foundation CurrentSince Dec 1, 2025 Accepting new patients
Cep America - Anesthesia, PC Current Accepting new patients
Valley Regional Anesthesia Associates Inc CurrentSince Dec 6, 2023 Accepting new patients
Cep America - Anesthesia PC CurrentSince May 1, 2024 Accepting new patients
Anesthesia Services of San Joaquin, P.C. CurrentSince Sep 1, 2020 Accepting new patients
Cep America - Anesthesia PC CurrentSince May 1, 2024 Accepting new patients
Permanente Medical Group Inc Current Accepting new patients
Sutter Valley Medical Foundation CurrentSince Dec 1, 2025 Accepting new patients
Permanente Medical Group, Inc CurrentSince Jul 15, 2020 Accepting new patients
Green Anesthesia Nurse Anesthetist, Certified Registered CurrentSince May 20, 2024 Accepting new patients
Lodi Memorial Hospital Association Inc Past Accepting new patients

Locations (25 of 41)

750 Auburn Ravine Rd
Auburn, CA 95603
Phone (530) 823-6131

3001 Sillect Ave
Bakersfield, CA 93308
Phone (661) 316-6000

2100 Powell St
Ste 400
Emeryville, CA 94608
Phone (510) 350-2638

2700 Low Ct
Fl 2
Fairfield, CA 94534
Phone (707) 432-2700

2720 Low Ct
Fairfield, CA 94534
Phone (707) 428-2731

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

4753 W Shaw Ave
Ste 101
Fresno, CA 93722
Phone (559) 277-8738

2139 E Beechwood Ave
Fresno, CA 93720
Phone (559) 322-6600

900 N Douty St
Hanford, CA 93230
Phone (559) 587-9014

223 Clinton Rd
Ste 204
Jackson, CA 95642
Phone (209) 223-5938

815 Court St
Ste 7
Jackson, CA 95642
Phone (209) 257-5900

975 S Fairmont Ave
Lodi, CA 95240
Phone (209) 339-7575

1660 W 3rd St
Los Angeles, CA 90017
Phone (213) 201-0850

1205 E North St
Manteca, CA 95336
Phone (209) 239-8301

145 Trevino Ave
Manteca, CA 95337
Phone (209) 788-8180

600 Coffee Rd
Modesto, CA 95355
Phone (209) 550-4755

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1300 Mable Ave
Ste 1
Modesto, CA 95355
Phone (209) 571-1633

3600 Broadway
Oakland, CA 94611
Phone (510) 752-6238

101 Monroe St
Petaluma, CA 94954
Phone (707) 763-4109

275 W MacArthur Blvd
Piedmont, CA 94611
Phone (510) 752-1375

465 W Putnam Ave
Porterville, CA 93257
Phone (559) 784-8886

2900 Eureka Way
Redding, CA 96001
Phone (530) 225-8700

1238 West St
Redding, CA 96001
Phone (530) 241-5499

1150 Veterans Blvd
Redwood City, CA 94063
Phone (650) 299-2015

Organizations & group practices 17

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.

View all 17

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1571616000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1641168000000",
    "number": "1144863440",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2348 GREENWOOD RD",
            "city": "PLEASANTON",
            "state": "CA",
            "postal_code": "945664630",
            "telephone_number": "415-312-7909"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3600 BROADWAY",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946115730",
            "telephone_number": "510-752-1000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMSON",
        "first_name": "CAYLEIGH",
        "credential": "CRNA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-10-21",
        "last_updated": "2022-01-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "95001210",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "The Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "275 W MacArthur Blvd",
            "city": "Oakland",
            "state": "CA",
            "country_code": "US",
            "postal_code": "946115641",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Oakland, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 3, 2022; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • 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.

Verify at the official NPI Registry.