Individual provider Active NPI

Sergio Alexander Duarte

  • Assistant Behavior Analyst
  • San Francisco, CA
National Provider Identifier
1669192415
Registry record updated Jul 1, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Assistant Behavior AnalystTaxonomy code 106E00000X
Practice address
139 Hugo St Apt 3
San Francisco, CA 94122-2760
Phone
(310) 691-3644
NPI assigned
Aug 31, 2022
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 1, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Addiction (Substance Use Disorder) Counselor 101YA0400X
Assistant Behavior Analyst 106E00000X Primary

Addresses

Primary practice location

139 Hugo St Apt 3
San Francisco, CA 94122-2760

Mailing address

179 Caselli Ave Apt 1
San Francisco, CA 94114-2351
Phone (925) 783-5022

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

Practice roles

OrganizationSpecialtyStatusNew patients
Adapt: a Behavioral Collective, Inc. PastSince Sep 4, 2022 Accepting new patients

Organizations & group practices 1

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": "1661904000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1751328000000",
    "number": "1669192415",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "179 CASELLI AVE APT 1",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941142351",
            "telephone_number": "925-783-5022"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "139 HUGO ST APT 3",
            "city": "SAN FRANCISCO",
            "state": "CA",
            "postal_code": "941222760",
            "telephone_number": "310-691-3644"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DUARTE",
        "first_name": "SERGIO",
        "middle_name": "ALEXANDER",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2022-08-31",
        "last_updated": "2025-07-01",
        "certification_date": "2025-07-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "106E00000X",
            "taxonomy_group": "",
            "desc": "Assistant Behavior Analyst",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in San Francisco, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 1, 2025; 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.