Individual provider Active NPI

Martin Santiago Cortez, LCSW

  • Clinical Social Worker
  • San Mateo, CA
National Provider Identifier
1891139002
Registry record updated Apr 18, 2013
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Social WorkerTaxonomy code 1041C0700X
License
28599 Issued in CA
Practice address
225 37TH Ave
3Rd Floor
San Mateo, CA 94403-4324
Phone
(650) 799-6548
NPI assigned
Apr 18, 2013
Last updated
Apr 18, 2013By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 18, 2013

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 28599 CA Primary

Addresses

Primary practice location

225 37TH Ave
3Rd Floor
San Mateo, CA 94403-4324

Mailing address

225 37TH Ave
3Rd Floor
San Mateo, CA 94403-4324

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
I20140407000214 CA Practitioner - Clinical Social Worker 9234361254 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Clinical Social Worker
Education
Other, 2003
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
County of San MateoGroup PAC ID 9032023171, 316 clinicians

Practice addresses (Care Compare)

1950 Alameda de Las Pulgas
San Mateo, CA 94403-1222
Phone (650) 573-2222

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

Practice roles

OrganizationSpecialtyStatusNew patients
County of San Mateo Current Accepting new patients
San Mateo County CurrentSince Aug 12, 2025 Accepting new patients

Locations

375 89th St
Daly City, CA 94015
Phone (650) 301-8648

222 W 39th Ave
San Mateo, CA 94403
Phone (415) 573-2222

Organizations & group practices 2

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.

NPI Registry JSON

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

{
    "created_epoch": "1366243200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1366243200000",
    "number": "1891139002",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "225 37TH AVE",
            "address_2": "3RD FLOOR",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944034324"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "225 37TH AVE",
            "address_2": "3RD FLOOR",
            "city": "SAN MATEO",
            "state": "CA",
            "postal_code": "944034324",
            "telephone_number": "650-799-6548"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CORTEZ",
        "first_name": "MARTIN",
        "middle_name": "SANTIAGO",
        "name_prefix": "Mr.",
        "credential": "LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-04-18",
        "last_updated": "2013-04-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "28599",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Mateo, CA

Sources for this page

Verify at the official NPI Registry.