Andrew Luke Chang, M.D.

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

85308 Issued in CA

Practice address

9730 Summers Ridge Rd
San Diego, CA 92121-3101

Phone

(858) 549-7400

NPI assigned

Dec 5, 2007

Last updated

Oct 23, 2025By 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

Other identifiers 1

Medicare fee-for-service enrollment

Enrolled in OK, CA, GU3 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 3

Specialty

Radiation OncologyAlso: Hospice/Palliative Care

Education

Loma Linda University School of Medicine, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Proton Doctors Professional CorporationGroup PAC ID 7214202936, 13 clinicians

Practice addresses (Care Compare)

Merit-based Incentive Payment System (MIPS)

Final score

75.81 of 100Reported as group

Quality

51.62

Improvement activities

40

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: achang35986@scrippshlth.medalliesdirect.net
• FHIR API: https://api.platform.athenahealth.com/13821/brand/2/csg/1/fhir/r4

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.

• Proton Doctors Professional Corporation

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1093240285
  Medicare reassignment Care Compare group NPD Authorized official
• Guam Healthcare Development Incorporated

  dba GRMC Specialty Care Center

  • Clinic/Center
  • Dededo, GU
  • NPI 1326447939
  Medicare reassignment NPD
• Proton Center Development Corporation

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1174186175
  NPD Authorized official
• Scripps Health

  dba Scripps Hospital Medical Services

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1487928891
  NPD
• Norman Urology Associates PC

  • Pediatric Urology Physician
  • Norman, OK
  • NPI 1679645055
  NPD
• Rady Children's Hospital San Diego

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • San Diego, CA
  • NPI 1851303994
  NPD (past)
• Hampton Roads Proton Beam Therapy

  dba Hampton University Proton Therapy Institute (HUPTI)

  • Radiological Physics Physician
  • Hampton, VA
  • NPI 1770722175
  NPD (past)
• Indiana University Health Inc

  • Children's Hospital
  • Indianapolis, IN
  • NPI 1114958584
  NPD (past)
• Indiana University Health Inc

  dba Indiana University Health

  • General Acute Care Hospital
  • Indianapolis, IN
  • NPI 1144266024
  NPD (past)
• Indiana University Health Inc

  dba Indiana University Health Renal Services

  • End-Stage Renal Disease (ESRD) Treatment Clinic/Center
  • Indianapolis, IN
  • NPI 1740218940
  NPD (past)
• Indiana University Health Proton Therapy Center, LLC

  • Radiation Oncology Clinic/Center
  • Bloomington, IN
  • NPI 1780775163
  NPD (past)
• Indiana University Health, Inc

  dba Riley Retail Pharmacy

  • Community/Retail Pharmacy
  • Indianapolis, IN
  • NPI 1922076504
  NPD (past)

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

{
    "created_epoch": "1196812800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761177600000",
    "number": "1255513859",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "9730 SUMMERS RIDGE RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921213101",
            "telephone_number": "858-549-7400"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "9730 SUMMERS RIDGE RD",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921213101",
            "telephone_number": "858-549-7400"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHANG",
        "first_name": "ANDREW",
        "middle_name": "LUKE",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-12-05",
        "last_updated": "2025-10-23",
        "certification_date": "2025-10-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "OK",
            "license": "29428",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IN",
            "license": "01064419A",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "85308",
            "primary": true
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "GU",
            "license": "MC-148",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "200479910A",
            "state": "OK"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Chang Acupuncture & Associates, Inc.
• Abigail Chang
• Aileen Chang, OD
• Amy Chang, MFT
• Andrew K Chang, DDS MD
• Anthony Chang, MD
• Ashley Patrice Chu Chang, MSOT
• Beverly Anne Chang, MD
• Carolyn Chang, PA-C
• Catherine Kyonga Chang, MD

• Radiation Oncology Physician in San Diego, CA
• Providers in San Diego, CA by specialty
• Radiation Oncology Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 23, 2025; 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.