Tom S Chang, MD

Primary specialty

Retina Specialist (Ophthalmology) PhysicianTaxonomy code 207WX0107X

License

A69909 Issued in CA

Practice address

100 E California Blvd
Pasadena, CA 91105-3205

Phone

(626) 568-8838

Fax

(626) 583-8838

NPI assigned

Feb 2, 2006

Last updated

Aug 7, 2020By 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 2

Addresses

Other identifiers 3

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

Specialty

Ophthalmology

Education

Other, 1988

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Retina Institute of California Medical Group, a California Medical ParGroup PAC ID 4587760749, 76 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

75 of 100Reported as individual

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations (25 of 44)

Networks

• BSC 65 PLUS INDIVIDUAL MAPD

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.

• Retina Institute of California Medical Group, a California Medical Par

  dba Acuity Eye Group

  • Ophthalmology Physician
  • Pasadena, CA
  • NPI 1760541569
  Medicare reassignment Care Compare group NPD Authorized official
• Orange ASC, LLC

  • Ambulatory Surgical Clinic/Center
  • Santa Ana, CA
  • NPI 1780059014
  NPD Authorized official
• Trilogy Eye Medical Group Inc

  dba Acuity Eye Specialists

  • Ophthalmology Physician
  • Pasadena, CA
  • NPI 1114205432
  NPD Authorized official
• Empire Surgical Center, Inc

  • Ambulatory Surgical Clinic/Center
  • Orange, CA
  • NPI 1093087694
  Authorized official Same address or phone
• Retina Institute of Ca

  • Ophthalmology Physician
  • Westminster, CA
  • NPI 1174972145
  Authorized official Same address or phone
• Retina Institute of California

  dba Acuity Eye Group

  • Ophthalmology Physician
  • Pasadena, CA
  • NPI 1194185694
  Authorized official Same address or phone
• Retina Institute of California

  • Ophthalmology Physician
  • La Mesa, CA
  • NPI 1871016808
  Authorized official Same address or phone
• Retina Institute of California Medical Group

  • Ophthalmology Physician
  • Yucca Valley, CA
  • NPI 1013452572
  Authorized official Same address or phone
• Retina Institute of California Medical Group

  • Specialist
  • Palm Desert, CA
  • NPI 1104219286
  Authorized official Same address or phone
• Retina Institute of California Medical Group

  • Specialist
  • Pomona, CA
  • NPI 1639562291
  Authorized official Same address or phone
• Retina Institute of California Medical Group

  • Specialist
  • Encino, CA
  • NPI 1659764710
  Authorized official Same address or phone
• Retina Institute of California Medical Group

  • Specialist
  • Menifee, CA
  • NPI 1659764736
  Authorized official Same address or phone

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

{
    "created_epoch": "1138838400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1596758400000",
    "number": "1609848969",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "100 E CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053205",
            "telephone_number": "626-568-8838",
            "fax_number": "626-583-8838"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 E CALIFORNIA BLVD",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911053205",
            "telephone_number": "626-568-8838",
            "fax_number": "626-583-8838"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "TOM",
        "middle_name": "S",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-02-02",
        "last_updated": "2020-08-07",
        "certification_date": "2020-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207W00000X",
            "taxonomy_group": "",
            "desc": "Ophthalmology",
            "state": "CA",
            "license": "A69909",
            "primary": false
        },
        {
            "code": "207WX0107X",
            "taxonomy_group": "",
            "desc": "Ophthalmology, Retina Specialist",
            "state": "CA",
            "license": "A69909",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS",
            "identifier": "00A699090",
            "state": null
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1609848969",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00A699090",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Luke Hyaryul Chang, M.D.
• Paul Chang
• Rachel Chang
• Shao-Fen Chang
• Susan Chang
• Wanyu Chang, PSY.D.
• Yuchi C Chang, M.D.
• Change Factors Analysis
• Allen Chao
• Jack Chaplin

• Retina Specialist (Ophthalmology) Physician in Pasadena, CA
• Providers in Pasadena, CA by specialty
• Retina Specialist (Ophthalmology) Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 7, 2020; 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.