Individual provider Active NPI

Katherine Liberty Dyer, MD

  • Family Medicine Physician
  • Martinez, CA
National Provider Identifier
1255016663
Registry record updated Aug 11, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
351371 Issued in LA
Practice address
2500 Alhambra Ave
Martinez, CA 94553-3156
Phone
(925) 370-5117
NPI assigned
Jun 21, 2023
Last updated
Aug 11, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 11, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 351371 LA Primary
Student in an Organized Health Care Education/Training Program 390200000X CA

Addresses

Primary practice location

2500 Alhambra Ave
Martinez, CA 94553-3156

Mailing address

2500 Alhambra Ave
Martinez, CA 94553-3156
Phone (925) 370-5117

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, LA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20240906002637 CA Practitioner - Family Practice 3870948524 Reassigns benefits to 1 organization
I20260611004258 LA Practitioner - Family Practice 3870948524 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
University of Washington School of Medicine, 2023
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

200 Corporate Blvd
Lafayette, LA 70508-3844

Hospital & facility affiliations

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Contra Costa County CurrentSince Aug 23, 2024 Accepting new patients
Contra Costa County Current Accepting new patients
Contra Costa County CurrentSince Aug 23, 2024 Accepting new patients

Locations

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

13601 San Pablo Ave
San Pablo, CA 94806
Phone (510) 231-9400

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

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": "1687305600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786406400000",
    "number": "1255016663",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2500 ALHAMBRA AVE",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945533156",
            "telephone_number": "925-370-5117"
        },
        {
            "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": "925-370-5117"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DYER",
        "first_name": "KATHERINE",
        "middle_name": "LIBERTY",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2023-06-21",
        "last_updated": "2026-08-11",
        "certification_date": "2026-08-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "LA",
            "license": "351371",
            "primary": true
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "CA",
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Martinez, CA

Sources for this page

Verify at the official NPI Registry.