Sergio A Sierra

Primary specialty

Community Health WorkerTaxonomy code 172V00000X

Practice address

275 Orange Ave SPC 124
Chula Vista, CA 91911-4969

Phone

(619) 451-2413

NPI assigned

Jul 19, 2017

Last updated

Mar 28, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Practice roles

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.

• Pathways Community Services LLC

  dba Catalyst

  • Community/Behavioral Health Agency
  • San Diego, CA
  • NPI 1093902934
  NPD (past)
• Pathways Community Services LLC

  dba CYS Clarvida - Tustin

  • Community/Behavioral Health Agency
  • Tustin, CA
  • NPI 1396436077
  NPD (past)

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

{
    "created_epoch": "1500422400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743120000000",
    "number": "1144743311",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7986 DAGGET ST",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921112321"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "275 ORANGE AVE SPC 124",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919114969",
            "telephone_number": "619-451-2413"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIERRA",
        "first_name": "SERGIO",
        "middle_name": "A",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-07-19",
        "last_updated": "2025-03-28",
        "certification_date": "2025-03-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "172V00000X",
            "taxonomy_group": "",
            "desc": "Community Health Worker",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Hilary Sibilia, NP
• Raymond Charles Sibley
• Erika Elizabeth Sieckert, DPT
• Benjamin John Siegel, OTR/L
• Cynthia L Sierra, MD
• Rebecca Claire Sievers, PT, DPT
• Amy Siez
• Lien Sigala
• Carlos Lascarro Sigarroa, CADTP
• Diana Sigman

• Community Health Worker in Chula Vista, CA
• Providers in Chula Vista, CA by specialty
• Community Health Worker in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 28, 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.