Organization Active NPI

Watson a. Desa, MD, a Medical Corp

  • Medical Specialty Clinic/Center
  • Long Beach, CA
National Provider Identifier
1982616439
Registry record updated Oct 30, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Medical Specialty Clinic/CenterTaxonomy code 261QM2500X
License
A32717 Issued in CA
Legal business name
WATSON A. DESA, MD, A MEDICAL CORP
Practice address
1050 Linden Ave
Long Beach, CA 90813-3393
Phone
(562) 594-6080
Fax
(562) 594-6030
NPI assigned
Aug 13, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 30, 2025

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

Authorized official

Name
Dr. Watson Antonio Desa, M.D.NPI 1235185620
Title
Owner
Phone
(562) 594-6080

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Medical Specialty Clinic/Center 261QM2500X A32717 CA Primary

Addresses

Primary practice location

1050 Linden Ave
Long Beach, CA 90813-3393

Mailing address

PO Box 708
Los Alamitos, CA 90720-0708
Phone (562) 594-6080

Other practice location 1

3700 South St
Lakewood, CA 90712-1419
Phone (562) 594-6080

Other practice location 2

3751 Katella Ave
Los Alamitos, CA 90720-3113
Phone (562) 594-6080

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20150409000055 CA Part B Supplier - Clinic/Group Practice 4789902487 Receives reassigned benefits from 1 practitioner
Practice locations: Los Alamitos, CA

National Provider Directory

National Provider Directory

Locations

3801 Katella Ave
Ste 125
Los Alamitos, CA 90720
Phone (562) 594-6080

Practitioners & affiliated clinicians

Practitioners 2

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1155427200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1761782400000",
    "number": "1982616439",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 708",
            "city": "LOS ALAMITOS",
            "state": "CA",
            "postal_code": "907200708",
            "telephone_number": "562-594-6080",
            "fax_number": "562-594-6030"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1050 LINDEN AVE",
            "city": "LONG BEACH",
            "state": "CA",
            "postal_code": "908133393",
            "telephone_number": "562-594-6080",
            "fax_number": "562-594-6030"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "3700 South St",
            "address_purpose": "LOCATION",
            "city": "Lakewood",
            "state": "CA",
            "postal_code": "907121419",
            "country_code": "US",
            "telephone_number": "562-594-6080",
            "fax_number": "562-594-6030",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3751 Katella Ave",
            "address_purpose": "LOCATION",
            "city": "Los Alamitos",
            "state": "CA",
            "postal_code": "907203113",
            "country_code": "US",
            "telephone_number": "562-594-6080",
            "fax_number": "562-594-6030",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "WATSON A. DESA, MD, A MEDICAL CORP",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-08-13",
        "last_updated": "2025-10-30",
        "certification_date": "2025-10-30",
        "status": "A",
        "authorized_official_last_name": "DESA",
        "authorized_official_first_name": "WATSON",
        "authorized_official_middle_name": "ANTONIO",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "562-594-6080",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "M.D."
    },
    "taxonomies": [
        {
            "code": "261QM2500X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Medical Specialty",
            "state": "CA",
            "license": "A32717",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Long Beach, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 30, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.