Carlos A Guerrero, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

NP 8934 Issued in CA

Practice address

44725 10TH St W Ste 220
Lancaster, CA 93534-3048

Phone

(661) 726-3750

Fax

(661) 726-5013

NPI assigned

Oct 17, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Other identifiers 4

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

Medicare enrollment (NPD)

Enrolled

Credentials

Physician Assistant

State licenses

Interoperability endpoints

• Direct secure messaging: carlos.guerrero.1@23708.direct.athenahealth.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.

• Sivalingam Medical Corporation Inc

  • Internal Medicine Physician
  • Lancaster, CA
  • NPI 1164437042
  Medicare reassignment

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

{
    "created_epoch": "1161043200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1739232000000",
    "number": "1699855080",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "44725 10TH ST W STE 220",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935343048",
            "telephone_number": "661-726-3750",
            "fax_number": "661-726-5013"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "44725 10TH ST W STE 220",
            "city": "LANCASTER",
            "state": "CA",
            "postal_code": "935343048",
            "telephone_number": "661-726-3750",
            "fax_number": "661-726-5013"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUERRERO",
        "first_name": "CARLOS",
        "middle_name": "A",
        "name_prefix": "Mr.",
        "credential": "FNP",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-10-17",
        "last_updated": "2025-02-11",
        "certification_date": "2025-02-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "FL",
            "license": "PA9118623",
            "primary": false
        },
        {
            "code": "363AM0700X",
            "taxonomy_group": "",
            "desc": "Physician Assistant, Medical",
            "state": "CA",
            "license": "PA14013",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP 8934",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "FNP CERTIFICATE",
            "identifier": "NP 8934",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PA-C LICENSE",
            "identifier": "PA9118623",
            "state": "FL"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "PA-C CERTIFICATE",
            "identifier": "PA-C 14013",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RN LICENSE",
            "identifier": "RN 475753",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Christina Grundgeiger, RN
• Claudia S Guardado
• Monica Guardado I
• Stephanie Guardado
• Sonia Patricia Guel
• Cindy Guerrero
• Mabel Ann Guertin, RN
• Daisy Guevara, ACSW
• Gabriel San Agustin Guevara, D.D.S., D.M.D.
• Josefina Elizabeth Guevara

• Family Nurse Practitioner in Lancaster, CA
• Providers in Lancaster, 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 Feb 11, 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.