Nancy DO Nguyen Downey, NP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

95008318 Issued in CA

Practice address

875 El Cajon Blvd
El Cajon, CA 92020-5714

Phone

(626) 662-4100

NPI assigned

Apr 30, 2018

Sex

Female

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

Enrolled in CA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Nurse Practitioner

Education

Other, 2017

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Centro de Salud de la Comunidad de San Ysidro,Inc.Group PAC ID 6901709435, 291 clinicians

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

Practice roles (5 of 6)

Locations

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

• Direct secure messaging: ndowney55790@syhealth.direct-ci.com

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.

• Centro de Salud de la Comunidad de San Ysidro, Inc.

  • Federally Qualified Health Center (FQHC)
  • San Diego, CA
  • NPI 1124782685
  Medicare reassignment Care Compare group NPD
• Minuteclinic Diagnostic Medical Group of San Diego Inc

  • Family Nurse Practitioner
  • El Cajon, CA
  • NPI 1568659233
  Medicare reassignment NPD
• Centro de Salud de la Comunidad de San Ysidro Inc

  • Federally Qualified Health Center (FQHC)
  • San Diego, CA
  • NPI 1457033813
  NPD
• Centro de Salud de la Comunidad de San Ysidro, Inc.

  • Federally Qualified Health Center (FQHC)
  • National City, CA
  • NPI 1003869363
  NPD (past)
• Minuteclinic Primary Care California

  • Family Nurse Practitioner
  • Irvine, CA
  • NPI 1083421614
  NPD (past)

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

{
    "created_epoch": "1525046400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754524800000",
    "number": "1578051017",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "875 EL CAJON BLVD",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920205714",
            "telephone_number": "619-662-4100"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "875 EL CAJON BLVD",
            "city": "EL CAJON",
            "state": "CA",
            "postal_code": "920205714",
            "telephone_number": "626-662-4100"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "DOWNEY",
        "first_name": "NANCY",
        "middle_name": "DO NGUYEN",
        "credential": "NP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2018-04-30",
        "last_updated": "2025-08-07",
        "certification_date": "2025-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95008318",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Laura Lee Dorsey
• Double Star Pharmacy Inc
• Douglas G Miller MD & Associates
• Ronald Dove
• Patricia Dowley, NP
• Alicia Marie Doyno
• Dr Ana Mora DDS Inc
• Dr Edithann Graham PC
• Dr Raymond Mansour a Professional Dental Corp
• Dr. Arnold Scott Presley, Psy.D.

• Family Nurse Practitioner in El Cajon, CA
• Providers in El Cajon, CA by specialty
• Family Nurse Practitioner in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.