Individual provider Active NPI

Maria Estefania Millan

  • Mental Health Counselor
  • Los Altos, CA
National Provider Identifier
1629998075
Registry record updated Jul 16, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Mental Health CounselorTaxonomy code 101YM0800X
License
152000 Issued in CA
Practice address
851 Fremont Ave
Los Altos, CA 94024-5698
Phone
(650) 941-1698
Fax
(650) 434-3953
NPI assigned
Jul 16, 2026
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 16, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Mental Health Counselor 101YM0800X 152000 CA Primary

Addresses

Primary practice location

851 Fremont Ave
Los Altos, CA 94024-5698

Mailing address

1566 Canna CT
Mountain View, CA 94043-4531
Phone (650) 265-8371

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled

NPI Registry JSON

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

{
    "created_epoch": "1784160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784160000000",
    "number": "1629998075",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1566 CANNA CT",
            "city": "MOUNTAIN VIEW",
            "state": "CA",
            "postal_code": "940434531",
            "telephone_number": "650-265-8371"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "851 FREMONT AVE",
            "city": "LOS ALTOS",
            "state": "CA",
            "postal_code": "940245698",
            "telephone_number": "650-941-1698",
            "fax_number": "650-434-3953"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MILLAN",
        "first_name": "MARIA",
        "middle_name": "ESTEFANIA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-07-16",
        "last_updated": "2026-07-16",
        "certification_date": "2026-07-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YM0800X",
            "taxonomy_group": "",
            "desc": "Counselor, Mental Health",
            "state": "CA",
            "license": "152000",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Altos, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 16, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.