Individual provider Active NPI

John Williams, CRNA

  • Certified Registered Nurse Anesthetist
  • Bakersfield, CA
National Provider Identifier
1154870301
Registry record updated Oct 11, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
NA95000630 Issued in CA
Practice address
1700 Mount Vernon Ave
Bakersfield, CA 93306-4018
Phone
(661) 326-2000
NPI assigned
Sep 29, 2016
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Oct 11, 2021

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X 781152 CA
Certified Registered Nurse Anesthetist 367500000X NA95000630 CA Primary

Addresses

Primary practice location

1700 Mount Vernon Ave
Bakersfield, CA 93306-4018

Mailing address

471 Colby Cir
Ventura, CA 93003-3856
Phone (805) 320-1315

Electronic endpoints 1

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

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20161118001723 CA Practitioner - Certified Registered Nurse Anesthetist (Crna) 9931488749 Reassigns benefits to 8 organizations

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2016
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Digestive Health Associates of Southern CaliforniaGroup PAC ID 3375806888, 16 clinicians
SCQ Anesthesia a Professional Nursing CorporationGroup PAC ID 9436520814, 15 clinicians

Practice addresses (Care Compare)

1301 20TH St
Suite 280
Santa Monica, CA 90404-2053
Phone (310) 829-6789

43944 15TH St W
Suite 101
Lancaster, CA 93534-5207
Phone (661) 579-4700

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
781152CAMDCertified Registered Nurse Anesthetist
NA95000630CAMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Digestive Health Associates of Southern California CurrentSince Sep 11, 2025 Accepting new patients
Pacifica Infusion Services, LLC Current Accepting new patients
Regional Anesthesia Associates Inc CurrentSince Nov 4, 2016 Accepting new patients
Palm Springs Anesthesia Services, PC CurrentSince Jul 1, 2020 Accepting new patients
Advanced Anesthesia Specialists a Medical Corporation CurrentSince Jan 2, 2024 Accepting new patients
Community Foundation Medical Group CurrentSince Apr 1, 2022 Accepting new patients
Southern California Permanente Medical Group Current Accepting new patients
Southern California Permanente Medical Group CurrentSince Oct 30, 2020 Accepting new patients
Valley Regional Anesthesia Associates Inc CurrentSince Dec 1, 2022 Accepting new patients
Community Foundation Medical Group Current Accepting new patients
Community Foundation Medical Group CurrentSince Apr 1, 2022 Accepting new patients
Digestive Health Associates of Southern California Nurse Anesthetist, Certified Registered CurrentSince Sep 11, 2025 Accepting new patients
SCQ Anesthesia a Professional Nursing Corporation Nurse Anesthetist, Certified Registered CurrentSince Jul 29, 2025 Accepting new patients
Advanced Anesthesia Specialists a Medical Corporation CurrentSince Jan 2, 2024 Accepting new patients
Southern California Permanente Medical Group CurrentSince Oct 30, 2020 Accepting new patients

Locations (25 of 29)

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

1700 Mount Vernon Ave
Bakersfield, CA 93306
Phone (616) 326-2000

2309 Antonio Ave
Camarillo, CA 93010
Phone (805) 389-5655

6125 N Fresno St
Fresno, CA 93710
Phone (559) 285-9344

1843 E Fir Ave
Ste 104
Fresno, CA 93720
Phone (559) 323-6611

2335 E Kashian Ln
Ste 270
Fresno, CA 93701
Phone (559) 445-1251

1630 E Herndon Ave
Ste 100
Fresno, CA 93720
Phone (559) 449-2888

7014 N Whitney Ave
Ste B
Fresno, CA 93720
Phone (559) 321-2900

7085 N Maple Ave
Fresno, CA 93720
Phone (559) 325-7100

27200 Calaroga Ave
Hayward, CA 94545
Phone (510) 264-2000

43944 15th St W
Ste 101
Lancaster, CA 93534
Phone (661) 579-4700

1050 Linden Ave
Long Beach, CA 90813
Phone (562) 491-9000

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

6041 Cadillac Ave
Los Angeles, CA 90034
Phone (323) 857-2000

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

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

1390 E Yosemite Ave
Ste B
Merced, CA 95340
Phone (209) 580-3400

609 E Orangeburg Ave
Bldg B
Modesto, CA 95350
Phone (209) 527-6700

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

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

4500 Brockton Ave
Ste 105
Riverside, CA 92501
Phone (951) 784-4088

1301 20th St
Ste 280
Santa Monica, CA 90404
Phone (310) 829-6789

2388 N California St
Stockton, CA 95204
Phone (209) 465-2711

18840 Ventura Blvd
Ste 100A
Tarzana, CA 91356

869 N Cherry St
Tulare, CA 93274
Phone (559) 326-2800

Organizations & group practices 15

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 15

NPI Registry JSON

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

{
    "created_epoch": "1475107200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1633910400000",
    "number": "1154870301",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "471 COLBY CIR",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930033856",
            "telephone_number": "805-320-1315"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1700 MOUNT VERNON AVE",
            "city": "BAKERSFIELD",
            "state": "CA",
            "postal_code": "933064018",
            "telephone_number": "661-326-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WILLIAMS",
        "first_name": "JOHN",
        "credential": "CRNA",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2016-09-29",
        "last_updated": "2021-10-11",
        "certification_date": "2021-10-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "781152",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "CA",
            "license": "NA95000630",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/scalceq",
            "affiliation": "Y",
            "endpointDescription": "Carequality",
            "affiliationName": "Southern California Permanente Medical Group",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "6041 Cadillac Ave",
            "city": "Los Angeles",
            "state": "CA",
            "country_code": "US",
            "postal_code": "900341702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Bakersfield, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 11, 2021; 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.