Individual provider Active NPI

Alexa C Lomongsod, NP

  • Family Nurse Practitioner
  • Hayward, CA
National Provider Identifier
1730738733
Registry record updated May 5, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
95019821 Issued in CA
Practice address
22331 Mission Blvd
Hayward, CA 94541-3911
Phone
(510) 471-5880
NPI assigned
Sep 11, 2019
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on May 5, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Nurse Practitioner 363LF0000X 95019821 CA Primary

Addresses

Primary practice location

22331 Mission Blvd
Hayward, CA 94541-3911

Mailing address

22331 Mission Blvd
Hayward, CA 94541-3911
Phone (510) 471-5880

Other practice location 1

27035 Whitman St Rm A1
Hayward, CA 94544-4027
Phone (510) 471-5880

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, CA2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20200102001715 NY Practitioner - Nurse Practitioner 4385078138 Reassigns benefits to 1 organization
I20260223000104 CA Practitioner - Nurse Practitioner 4385078138 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2020
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

1290 B St
Suite 109
Hayward, CA 94541-2948

18350 Carmel Dr
Castro Valley, CA 94546-1902

Hospital & facility affiliations

  • Contra Costa Regional Medical Center Hospital, Martinez, CA, CCN 050276

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
95019821CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Housing Works Services II, Inc CurrentSince Oct 20, 2019 Accepting new patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Jan 20, 2026 Accepting new patients
Tiburcio Vasquez Health Center, Inc. CurrentSince Jan 20, 2026 Accepting new patients

Locations

27035 Whitman St
Rm A1
Hayward, CA 94544
Phone (510) 690-6048

33255 9th St
Union City, CA 94587
Phone (510) 690-6052

57 Willoughby St
Brooklyn, NY 11201
Phone (718) 408-6522

57 Willoughby St
Lowr
Brooklyn, NY 11201
Phone (718) 408-6522

57 Willoughby St
Fl 2
Brooklyn, NY 11201
Phone (347) 473-7475

Organizations & group practices 4

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.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1568160000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1777939200000",
    "number": "1730738733",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "22331 MISSION BLVD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945413911",
            "telephone_number": "510-471-5880"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "22331 MISSION BLVD",
            "city": "HAYWARD",
            "state": "CA",
            "postal_code": "945413911",
            "telephone_number": "510-471-5880"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "27035 Whitman St Rm A1",
            "address_purpose": "LOCATION",
            "city": "Hayward",
            "state": "CA",
            "postal_code": "945444027",
            "country_code": "US",
            "telephone_number": "510-471-5880",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "LOMONGSOD",
        "first_name": "ALEXA",
        "middle_name": "C",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2019-09-11",
        "last_updated": "2026-05-05",
        "certification_date": "2026-05-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95019821",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Hayward, CA

Sources for this page

Verify at the official NPI Registry.