NPIMap

Organization Active NPI

Contra Costa County

Doing business as Transitional Services

  • Community/Behavioral Health Agency
  • Martinez, CA
National Provider Identifier
1750509162
Registry record updated Oct 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Community/Behavioral Health AgencyTaxonomy code 251S00000X
Legal business name
CONTRA COSTA COUNTY
Doing business as
Transitional Services
Practice address
10 Douglas Dr
Suite 140
Martinez, CA 94553-4077
Phone
(925) 957-5110
Fax
(925) 646-9595
NPI assigned
Apr 23, 2007
Last updated
Oct 14, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
CONTRA COSTA COUNTYAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Oct 14, 2025

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

Authorized official

Name
David D. Lee, MBA, FHFMA
Title
Deputy Cfo
Phone
(925) 957-5445

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Community/Behavioral Health Agency 251S00000X CA Primary

Addresses

Primary practice location

10 Douglas Dr
Suite 140
Martinez, CA 94553-4077

Mailing address

50 Douglas Dr Ste 310
Martinez, CA 94553-4003

Other identifiers 1

IdentifierTypeStateIssuer
07HNOtherCADHCS

Other names 1

  • Transitional Services Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20050707001058 CA Part B Supplier - Clinic/Group Practice 8628052974 Receives reassigned benefits from 482 practitioners
6 other NPIs on this enrollment
This NPI is an additional NPI on the enrollment
Practice locations: San Pablo, CA; Pittsburg, CA; North Richmond, CA; Concord, CA; Brentwood, CA; Antioch, CA; Martinez, CA

Other NPIs on the same Medicare enrollment 6

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

National Provider Directory

National Provider Directory
Part of
Contra Costa Cnty Outpa

Ownership & related parties

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

Practitioners & affiliated clinicians

Practitioners 7

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1177286400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1760400000000",
    "number": "1750509162",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "50 DOUGLAS DR STE 310",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945534003"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10 DOUGLAS DR",
            "address_2": "SUITE 140",
            "city": "MARTINEZ",
            "state": "CA",
            "postal_code": "945534077",
            "telephone_number": "925-957-5110",
            "fax_number": "925-646-9595"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "CONTRA COSTA COUNTY",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "CONTRA COSTA COUNTY",
        "enumeration_date": "2007-04-23",
        "last_updated": "2025-10-14",
        "certification_date": "2025-10-14",
        "status": "A",
        "authorized_official_last_name": "LEE",
        "authorized_official_first_name": "DAVID",
        "authorized_official_middle_name": "D.",
        "authorized_official_title_or_position": "DEPUTY CFO",
        "authorized_official_telephone_number": "925-957-5445",
        "authorized_official_credential": "MBA, FHFMA"
    },
    "taxonomies": [
        {
            "code": "251S00000X",
            "taxonomy_group": "",
            "desc": "Community/Behavioral Health",
            "state": "CA",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "DHCS",
            "identifier": "07HN",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Transitional Services",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Martinez, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.