Individual provider Active NPI

Karla Patricia Ballesteros, F.N.P.

  • Family Nurse Practitioner
  • Martinez, CA
National Provider Identifier
1962689455
Registry record updated Mar 14, 2017
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
475610 Issued in CA
Practice address
2500 Alhambra Ave
Martinez, CA 94553-3156
Phone
(925) 370-5200
NPI assigned
Jan 28, 2008
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Mar 14, 2017

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 475610 CA Primary

Addresses

Primary practice location

2500 Alhambra Ave
Martinez, CA 94553-3156

Mailing address

1228 Conejo Way
Walnut Creek, CA 94597-2304
Phone (925) 465-4406

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: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250527002090 CA Practitioner - Nurse Practitioner 3577889500 Reassigns benefits to 1 organization

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Contra Costa County CurrentSince Apr 30, 2025 Accepting new patients
Contra Costa County Current Accepting new patients
Contra Costa County CurrentSince Apr 30, 2025 Accepting new patients

Locations

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

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

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": "1201478400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1489449600000",
    "number": "1962689455",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1228 CONEJO WAY",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972304",
            "telephone_number": "925-465-4406"
        },
        {
            "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": "925-370-5200"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BALLESTEROS",
        "first_name": "KARLA",
        "middle_name": "PATRICIA",
        "name_prefix": "Mrs.",
        "credential": "F.N.P.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2008-01-28",
        "last_updated": "2017-03-14",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "475610",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Martinez, CA

Sources for this page

Verify at the official NPI Registry.