Individual provider Active NPI

Joanna Lyn Roberts, PA, PTA

  • Physician Assistant
  • Oakland, CA
National Provider Identifier
1164559506
Registry record updated Apr 17, 2018
On this page

Key facts

NPPES NPI Registry
Primary specialty
Physician AssistantTaxonomy code 363A00000X
License
52879 Issued in CA
Practice address
411 Grand Ave
Oakland, CA 94610-5022
Phone
(510) 844-4097
NPI assigned
Feb 27, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2018

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Physician Assistant 363A00000X 52879 CA Primary

Addresses

Primary practice location

411 Grand Ave
Oakland, CA 94610-5022

Mailing address

411 Grand Ave
Oakland, CA 94610-5022
Phone (510) 844-4097

Other identifiers 1

IdentifierTypeStateIssuer
904080MedicaidAZ

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)
Enrolled
Credentials
Physician Assistant

State licenses

LicenseStateTypeSpecialty
52879CAMDMarriage & Family Therapist
5585AZMDPhysical Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Carbon Health Primary Care of California PC PastSince Jul 20, 2025 Accepting new patients

Organizations & group practices 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1172534400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1523923200000",
    "number": "1164559506",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "411 GRAND AVE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946105022",
            "telephone_number": "510-844-4097"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "411 GRAND AVE",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946105022",
            "telephone_number": "510-844-4097"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "ROBERTS",
        "first_name": "JOANNA",
        "middle_name": "LYN",
        "credential": "PA, PTA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-02-27",
        "last_updated": "2018-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "CA",
            "license": "52879",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "904080",
            "state": "AZ"
        }
    ],
    "endpoints": [],
    "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 Apr 17, 2018; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.