Individual provider Active NPI

William Garrett Holder Jr., M.D.

  • Emergency Medicine Physician
  • South San Francisco, CA
National Provider Identifier
1205216728
Registry record updated Feb 20, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
C183944 Issued in CA
Practice address
1200 El Camino Real
South San Francisco, CA 94080-3208
Phone
(650) 742-2000
NPI assigned
Jun 1, 2015
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Feb 20, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X MD-20152 HI
General Practice Physician 208D00000X 0101261753 VA
Emergency Medicine Physician 207P00000X C183944 CA Primary

Addresses

Primary practice location

1200 El Camino Real
South San Francisco, CA 94080-3208

Mailing address

1200 El Camino Real
South San Francisco, CA 94080-3208
Phone (650) 742-2000

Electronic endpoints 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, NC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230330001029 CA Practitioner - Emergency Medicine 8527495027 Reassigns benefits to 2 organizations
I20250613003129 NC Practitioner - Emergency Medicine 8527495027 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
University of South Carolina School of Medicine, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Emergency Coverage LLCGroup PAC ID 3072412592, 761 clinicians

Practice addresses (Care Compare)

509 Biltmore Ave
Asheville, NC 28801-4601
Phone (828) 213-1111

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
C183944CAMDEmergency Medicine Physician
0101261753VAMDGeneral Practice Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Nes Western Group, a Professional Corporation Emergency Medicine CurrentSince Dec 30, 2022 Accepting new patients
Nes Western Group, a Professional Corporation Emergency Medicine CurrentSince Dec 30, 2022 Accepting new patients
Emergency Coverage, LLC Emergency Medicine CurrentSince May 1, 2025 Accepting new patients
Permanente Medical Group Inc Emergency Medicine CurrentSince Apr 3, 2023 Accepting new patients
Permanente Medical Group, Inc CurrentSince Apr 3, 2023 Accepting new patients
Emergency Coverage Services, PC Past Accepting new patients

Locations

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

1900 Sullivan Ave
Daly City, CA 94015
Phone (650) 991-6503

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

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

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

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

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

901 Nevin Ave
Richmond, CA 94801
Phone (510) 307-1500

930 W Main St
Ripon, CA 95366
Phone (209) 599-4221

501 J St
Sacramento, CA 95814
Phone (916) 497-3000

2200 Ofarrell St
San Francisco, CA 94115
Phone (415) 202-2000

710 Lawrence Expy
Santa Clara, CA 95051
Phone (408) 236-6400

5615 Scotts Valley Dr
Scotts Valley, CA 95066
Phone (831) 430-2700

1200 El Camino Real
South San Francisco, CA 94080
Phone (650) 742-2100

7373 West Ln
Stockton, CA 95210
Phone (209) 476-2000

975 Sereno Dr
Vallejo, CA 94589
Phone (707) 651-1000

320 N Crawford St
Willows, CA 95988
Phone (530) 934-2834

1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325

2512 Hendersonville Rd
Arden, NC 28704
Phone (828) 376-7100

509 Biltmore Ave
Asheville, NC 28801
Phone (828) 213-2325

615 Ridge Rd
Roxboro, NC 27573
Phone (336) 503-5699

Interoperability endpoints

  • Direct secure messaging: william.holder.p1@direct.wcchc.nextgenshare.com

Organizations & group practices 6

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.

Hospital & facility affiliations 8

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": "1433116800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740009600000",
    "number": "1205216728",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1200 EL CAMINO REAL",
            "city": "SOUTH SAN FRANCISCO",
            "state": "CA",
            "postal_code": "940803208",
            "telephone_number": "650-742-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1200 EL CAMINO REAL",
            "city": "SOUTH SAN FRANCISCO",
            "state": "CA",
            "postal_code": "940803208",
            "telephone_number": "650-742-2000"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLDER",
        "first_name": "WILLIAM",
        "middle_name": "GARRETT",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-06-01",
        "last_updated": "2025-02-20",
        "certification_date": "2025-02-20",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "HI",
            "license": "MD-20152",
            "primary": false
        },
        {
            "code": "208D00000X",
            "taxonomy_group": "",
            "desc": "General Practice",
            "state": "VA",
            "license": "0101261753",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "C183944",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepicwest.kp.org:14430/Interconnect-prodcalgateway/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ncaleq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "1200 El Camino Real",
            "city": "South San Francisco",
            "state": "CA",
            "country_code": "US",
            "postal_code": "940803208",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in South San Francisco, CA

Sources for this page

Verify at the official NPI Registry.