Individual provider Active NPI

Alexander Tijong Chen, DO

  • Emergency Medicine Physician
  • Fresno, CA
National Provider Identifier
1437851847
Registry record updated Jun 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
23720 Issued in CA
Practice address
2823 Fresno St
Fresno, CA 93721-1324
Phone
(559) 443-2682
NPI assigned
Mar 20, 2023
Last updated
Jun 8, 2026By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 8, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X 23720 CA Primary

Addresses

Primary practice location

2823 Fresno St
Fresno, CA 93721-1324

Mailing address

2625 E Divisadero St
Fresno, CA 93721-1431
Phone (559) 443-2682

Medicare participation

Medicare enrollment files
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: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20250520002574 CA Practitioner - Emergency Medicine 4587182886 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2023
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Cep America - CaliforniaGroup PAC ID 6103739131, 1,278 clinicians
Central California Faculty Medical Group IncGroup PAC ID 8325952773, shared by 2 NPIs, 256 clinicians

Practice addresses (Care Compare)

1420 N Tracy Blvd
Tracy, CA 95376-3451
Phone (209) 835-1500

2823 Fresno St
Fresno, CA 93721-1324
Phone (559) 459-6000

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

State licenses

LicenseStateTypeSpecialty
23720CAMDDental Hygienist

Practice roles

OrganizationSpecialtyStatusNew patients
Cep America - California Emergency Medicine Current Accepting new patients
Cep America - California Emergency Medicine CurrentSince May 15, 2025 Accepting new patients
Cep America-California Emergency Medicine CurrentSince May 15, 2025 Accepting new patients
San Joaquin Emergency Medical Associates Emergency Medicine CurrentSince Dec 27, 2025 Accepting new patients

Locations

500 W Hospital Rd
French Camp, CA 95231
Phone (209) 468-6000

333 Mercy Ave
Merced, CA 95340
Phone (209) 385-1280

1601 Cummins Dr
Ste D
Modesto, CA 95358
Phone (510) 851-7423

1420 N Tracy Blvd
Tracy, CA 95376
Phone (209) 832-6018

Interoperability endpoints

  • Direct secure messaging: achen742818@hisp.ehr.sutterhealth.org

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 2

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": "1679270400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1437851847",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2625 E DIVISADERO ST",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937211431",
            "telephone_number": "559-443-2682",
            "fax_number": "559-443-2681"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2823 FRESNO ST",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937211324",
            "telephone_number": "559-443-2682"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHEN",
        "first_name": "ALEXANDER",
        "middle_name": "TIJONG",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2023-03-20",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "CA",
            "license": "23720",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Fresno, CA

Sources for this page

Verify at the official NPI Registry.