Individual provider Active NPI

Melanie Dianne Petersen

  • Clinical Social Worker
  • Oakland, CA
National Provider Identifier
1346891512
Registry record updated Oct 28, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
134710 Issued in CA
Practice address
6885 Chabot Rd
Oakland, CA 94618-1919
Phone
(858) 349-8838
NPI assigned
Sep 27, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 28, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Social Worker 1041C0700X 134710 CA Primary

Addresses

Primary practice location

6885 Chabot Rd
Oakland, CA 94618-1919

Mailing address

6885 Chabot Rd
Oakland, CA 94618-1919
Phone (858) 349-8838

Other names 1

  • Ms. Melanie Dianne Petersen Tatum Other name

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: No
  • Power mobility devices: No
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20251117003431 CA Practitioner - Clinical Social Worker 4284125386 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

2920 International Blvd
Oakland, CA 94601-2228

2950 International Blvd
Oakland, CA 94601-2228
Phone (510) 485-5948

3124 International Blvd
Oakland, CA 94601-2902
Phone (510) 485-5948

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
134710CAMDClinical Social Worker

Practice roles

OrganizationSpecialtyStatusNew patients
Native American Health Center, Inc CurrentSince Oct 27, 2025 Accepting new patients
Native American Health Center, Inc Current Accepting new patients
Native American Health Center, Inc CurrentSince Oct 27, 2025 Accepting new patients

Locations

3124 International Blvd
#2D
Oakland, CA 94601

2950 International Blvd
Oakland, CA 94601
Phone (510) 485-5948

160 Capp St
San Francisco, CA 94110
Phone (415) 417-3500

Organizations & group practices 3

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": "1569542400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761609600000",
    "number": "1346891512",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6885 CHABOT RD",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946181919",
            "telephone_number": "858-349-8838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6885 CHABOT RD",
            "city": "OAKLAND",
            "state": "CA",
            "postal_code": "946181919",
            "telephone_number": "858-349-8838"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "PETERSEN",
        "first_name": "MELANIE",
        "middle_name": "DIANNE",
        "name_prefix": "Ms.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-27",
        "last_updated": "2025-10-28",
        "certification_date": "2025-10-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "134710",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MELANIE",
            "last_name": "PETERSEN TATUM",
            "middle_name": "DIANNE",
            "prefix": "MS.",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Oakland, CA

Sources for this page

Verify at the official NPI Registry.