Ryan Chang, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

11683 Issued in TX

Practice address

3610 Sheldon Dr
Pearland, TX 77584-8379

Phone

(281) 818-1677

NPI assigned

Jun 18, 2026

Sex

Male

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: No
• Hospice: Yes

Green means eligible to order or refer.

Specialty

Optometry

Education

University of Houston - College of Optometry, 2026

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

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

{
    "created_epoch": "1781740800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1781740800000",
    "number": "1811823818",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3610 SHELDON DR",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775848379",
            "telephone_number": "281-818-1677"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3610 SHELDON DR",
            "city": "PEARLAND",
            "state": "TX",
            "postal_code": "775848379",
            "telephone_number": "281-818-1677"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "RYAN",
        "credential": "OD",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2026-06-18",
        "last_updated": "2026-06-18",
        "certification_date": "2026-06-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "TX",
            "license": "11683",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Carol Ann Chanco, LCSW
• Litha Antoinette Chandler, LPC
• Mark Chandrapaul, PT, DPT
• Jakaycee K Chaney
• Diana Chang
• Vicki Chang, O.D.
• Changing the Spectrum, LLC
• Darren Matthew Chapman, M.D.
• Nizar Chafic Charafeddine, MD
• Mahek Mansoor Charania

• Optometrist in Pearland, TX
• Providers in Pearland, TX by specialty
• Optometrist in Texas

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 18, 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.