Matthew Chang

Primary specialty

Ophthalmology PhysicianTaxonomy code 207W00000X

License

A181703 Issued in CA

Practice address

11370 Anderson St # 1800
Loma Linda, CA 92354-3450

Phone

(909) 558-2154

NPI assigned

Apr 8, 2021

Last updated

Feb 4, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Enrolled in CA, GU2 enrollments

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 2

Specialty

Ophthalmology

Education

Loma Linda University School of Medicine, 2021

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Faculty Physicians and Surgeons of LlusmGroup PAC ID 1153227814, 1,313 clinicians

General Conference Corp of SdaGroup PAC ID 6608777628, 52 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Loma Linda University Medical Center Hospital, Loma Linda, CA, CCN 050327

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: mchang373107@direct.llu.edu

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.

• Faculty Physicians and Surgeons of Llusm

  • Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
  • Apple Valley, CA
  • NPI 1205009917
  Medicare reassignment Care Compare group NPD
• General Conference Corp of Sda

  dba Guam Seventh-Day Adventist Clinic

  • Clinic/Center
  • Tamuning, GU
  • NPI 1275586877
  Medicare reassignment Care Compare group NPD
• Faculty Physicians and Surgeons of Llusm

  • Anatomic Pathology & Clinical Pathology Physician
  • Loma Linda, CA
  • NPI 1245605781
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Ophthalmology Physician
  • Loma Linda, CA
  • NPI 1437109469
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Family Medicine Physician
  • Moreno Valley, CA
  • NPI 1558788331
  NPD
• Faculty Physicians and Surgeons of Llusm

  • Orthopaedic Surgery Physician
  • Loma Linda, CA
  • NPI 1275582918
  NPD (past)

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

• Loma Linda University Medical Center

  • General Acute Care Hospital
  • Loma Linda, CA
  • NPI 1194731935
  Care Compare affiliation

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

{
    "created_epoch": "1617840000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1770163200000",
    "number": "1558940254",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11370 ANDERSON ST # 1800",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543450",
            "telephone_number": "909-558-2154"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "11370 ANDERSON ST # 1800",
            "city": "LOMA LINDA",
            "state": "CA",
            "postal_code": "923543450",
            "telephone_number": "909-558-2154"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "388 Ypao Rd",
            "address_purpose": "LOCATION",
            "city": "Tamuning",
            "state": "GU",
            "postal_code": "969133701",
            "country_code": "US",
            "telephone_number": "671-646-8881",
            "fax_number": "671-648-2548",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHANG",
        "first_name": "MATTHEW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2021-04-08",
        "last_updated": "2026-02-04",
        "certification_date": "2026-02-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "GU",
            "license": "TLL-2025-002",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "GU",
            "license": "MTL-2026-003",
            "primary": false
        },
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A181703",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dennis Chang, MD
• Elizabeth Flores Chang, NP
• Jimmy Chang, DO
• Joseph Chang, MD
• Marissa Chang
• Melody M Chang, MD
• Michael Chang, M.D.
• Nicole Hee Jung Chang, PHARMD
• Sandy Chang
• Stephanie Chang, MD

• Ophthalmology Physician in Loma Linda, CA
• Providers in Loma Linda, CA by specialty
• Ophthalmology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 4, 2026; 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.