Individual provider Active NPI

Anita Ko

  • Family Medicine Physician
  • Martinez, CA
National Provider Identifier
1821167321
Registry record updated Jul 8, 2007
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
OPT9943 Issued in CA
Practice address
2500 Alhambra Ave
Martinez, CA 94553-3156
Phone
(925) 370-5110
Fax
(925) 370-5142
NPI assigned
Nov 7, 2006
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Jul 8, 2007

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X OPT9943 CA Primary

Addresses

Primary practice location

2500 Alhambra Ave
Martinez, CA 94553-3156

Mailing address

50 Douglas Dr
Suite 391
Martinez, CA 94553-4098
Phone (925) 957-5429

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: No
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20200505000242 CA Practitioner - Optometry 9032477096 Reassigns benefits to 2 organizations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

State licenses

LicenseStateTypeSpecialty
OPT9943CAMDFamily Medicine Physician
9943CAMDPhysical Therapy Assistant

Practice roles

OrganizationSpecialtyStatusNew patients
Contra Costa County CurrentSince Jul 29, 2025 Accepting new patients
Contra Costa County CurrentSince Jul 29, 2025 Accepting new patients
Etwaru Eye Center CurrentSince Mar 1, 2020 Accepting new patients
Contra Costa County Past Accepting new patients

Locations

2500 Alhambra Ave
Martinez, CA 94553
Phone (925) 370-5000

1815 Arnold Dr
Martinez, CA 94553
Phone (925) 705-4900

2523 El Portal Dr
Ste 206
San Pablo, CA 94806
Phone (510) 215-3730

Organizations & group practices 4

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": "1162857600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1183852800000",
    "number": "1821167321",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 DOUGLAS DR",
            "address_2": "SUITE 391",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945534098",
            "telephone_number": "925-957-5429",
            "fax_number": "925-957-5401"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156",
            "telephone_number": "925-370-5110",
            "fax_number": "925-370-5142"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KO",
        "first_name": "ANITA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-11-07",
        "last_updated": "2007-07-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "CA",
            "license": "OPT9943",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Martinez, CA

Sources for this page

Verify at the official NPI Registry.