Individual provider Active NPI

Christopher Adam Walker, MD

  • Emergency Medicine Physician
  • Oakland, CA
National Provider Identifier
1649469701
Registry record updated Jun 23, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
A106362 Issued in CA
Practice address
3625 Brunell Dr
Oakland, CA 94602-4108
Phone
(216) 513-5788
NPI assigned
Oct 15, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2022

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X A106362 CA Primary

Addresses

Primary practice location

3625 Brunell Dr
Oakland, CA 94602-4108

Mailing address

3625 Brunell Dr
Oakland, CA 94602-4108
Phone (216) 513-5788

Electronic endpoints 1

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

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20110223000458 CA Practitioner - Critical Care (Intensivists)Practitioner - Emergency Medicine 0446431571 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Emergency Medicine
Education
Clvlnd Clinic Lerner College of Med of Case WSTN RSV University, 2007
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Permanente Medical Group IncGroup PAC ID 8921910225, 10,928 clinicians

Practice addresses (Care Compare)

3600 Broadway
Oakland, CA 94611-5730
Phone (510) 752-1000

Hospital & facility affiliations

  • Kaiser Foundation Hospital - Oakland/Richmond Hospital, Oakland, CA, CCN 050075

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
106362CAMDClinical Social Worker
A106362CAMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Permanente Medical Group Inc Emergency Medicine Current Accepting new patients
University of California SFGH Medical Group Emergency Medicine CurrentSince Sep 1, 2018 Accepting new patients
University of California SFGH Medical Group Current Accepting new patients
Permanente Medical Group, Inc CurrentSince Apr 19, 2022 Accepting new patients
University of California SFGH Medical Group CurrentSince Sep 1, 2018 Accepting new patients
Permanente Medical Group Inc Emergency Medicine CurrentSince Apr 19, 2022 Accepting new patients

Locations

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

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

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

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

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

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

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

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

Interoperability endpoints

  • Direct secure messaging: cwalker347715@hisp.ehr.sutterhealth.org

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 1

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": "1192406400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1655942400000",
    "number": "1649469701",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3625 BRUNELL DR",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946024108",
            "telephone_number": "216-513-5788"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3625 BRUNELL DR",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946024108",
            "telephone_number": "216-513-5788"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WALKER",
        "first_name": "CHRISTOPHER",
        "middle_name": "ADAM",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-10-15",
        "last_updated": "2022-06-23",
        "certification_date": "2022-06-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "A106362",
            "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": "N",
            "endpointDescription": "Carequality",
            "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

Verify at the official NPI Registry.