William Chang, OD

Primary specialty

OptometristTaxonomy code 152W00000X

License

TLG13713 Issued in CA

Practice address

417 S San Gabriel Blvd
Suite B
San Gabriel, CA 91776-1967

Phone

(626) 291-2020

Fax

(626) 585-2905

NPI assigned

Jun 25, 2009

Last updated

Sep 16, 2021By 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 1

Addresses

Other identifiers 1

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: No
• Hospice: Yes

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

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.

• William Chang OD, Inc

  • Optometrist
  • San Gabriel, CA
  • NPI 1255669057
  Medicare reassignment NPD Authorized official
• Mark Kislinger M.D., Inc.

  dba Foothill Eye Care Services

  • Ophthalmology Physician
  • Glendora, CA
  • NPI 1215089594
  NPD (past)
• New Insight Optometric Center, Inc.

  • Optometrist
  • San Gabriel, CA
  • NPI 1609084086
  NPD (past)

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

{
    "created_epoch": "1245888000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1631750400000",
    "number": "1629206834",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "417 S SAN GABRIEL BLVD",
            "address_2": "SUITE B",
            "city": "SAN GABRIEL",
            "state": "CA",
            "postal_code": "917761967",
            "telephone_number": "626-291-2020",
            "fax_number": "626-585-2905"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "417 S SAN GABRIEL BLVD",
            "address_2": "SUITE B",
            "city": "SAN GABRIEL",
            "state": "CA",
            "postal_code": "917761967",
            "telephone_number": "626-291-2020",
            "fax_number": "626-585-2905"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "WILLIAM",
        "name_prefix": "Dr.",
        "credential": "OD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2009-06-25",
        "last_updated": "2021-09-16",
        "certification_date": "2021-09-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "152W00000X",
            "taxonomy_group": "",
            "desc": "Optometrist",
            "state": "CA",
            "license": "TLG13713",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "CR713Z",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Lan Chang, L.AC
• Mandy Manshu Chang
• Payjiuan Chang, D.D.S
• Sheng H Chang, MD
• Su-Juan Chang, CA
• Ying-Yi Chang, D.D.S., M.S.
• Yueh-Cheau Grace Changchien, R.PH
• Diana Chao, MD
• Fu Li Chao, M.D.
• Karen H Chao, O.D.

• Optometrist in San Gabriel, CA
• Providers in San Gabriel, CA by specialty
• Optometrist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 16, 2021; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.