Brian Chou, MD

Primary specialty

Radiation Oncology PhysicianTaxonomy code 2085R0001X

License

A187126 Issued in CA

Practice address

9730 Summers Ridge Rd
San Diego, CA 92121-3101

Phone

(858) 299-5982

NPI assigned

Apr 17, 2018

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

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

Radiation Oncology

Education

Loma Linda University School of Medicine, 2018

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Regents of the University of CaliforniaGroup PAC ID 3577476761, 2,047 clinicians

Proton Doctors Professional CorporationGroup PAC ID 7214202936, 13 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• UC San Diego Health Hillcrest - Hillcrest Med Ctr Hospital, San Diego, CA, CCN 050025

Merit-based Incentive Payment System (MIPS)

Final score

90.77 of 100Reported as group

Quality

84.13

Promoting interoperability

100

Improvement activities

40

Cost

73.88

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: bchou101953@direct.luhs.org

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Proton Doctors Professional Corporation

  • Radiation Oncology Physician
  • San Diego, CA
  • NPI 1093240285
  Medicare reassignment Care Compare group NPD
• Regents of the University of California

  • Diagnostic Radiology Physician
  • San Diego, CA
  • NPI 1558463927

  Radiation Oncology

  Medicare reassignment Care Compare group NPD
• California Cancer Associates for Research and Excellence Inc

  • Hematology & Oncology Physician
  • Fresno, CA
  • NPI 1083661607

  Radiation Oncology

  Medicare reassignment NPD
• Radiation Oncology Network of Southern California

  • Radiation Oncology Clinic/Center
  • El Centro, CA
  • NPI 1336752039
  Medicare reassignment NPD
• California Cancer Associates for Research and Excellence Inc

  • Hematology & Oncology Physician
  • Fresno, CA
  • NPI 1902359425
  NPD
• Loyola University Medical Center

  • General Acute Care Hospital
  • Maywood, IL
  • NPI 1376521575
  NPD
• Marilyn Kaufhold, M.D., a Medical Corporation

  • Children's Hospital
  • San Diego, CA
  • NPI 1336359389
  NPD (past)
• Regents of the University of California

  • Pharmacy
  • San Diego, CA
  • NPI 1598786576
  NPD (past)
• Regents of the University of California Ucsd Head and Neck Surgery

  • Otolaryngology Physician
  • San Diego, CA
  • NPI 1679509962
  NPD (past)

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

• Regents of the University of California

  • General Acute Care Hospital
  • San Diego, CA
  • NPI 1184722779
  Care Compare affiliation

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

{
    "created_epoch": "1523923200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1747353600000",
    "number": "1770070609",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 509015",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921509015",
            "telephone_number": "512-583-2000",
            "fax_number": "512-583-2001"
        },
        {
            "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": "858-299-5982"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "200 W Arbor Dr",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921039000",
            "country_code": "US",
            "telephone_number": "800-926-8273",
            "fax_number": "888-539-8781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "3020 Childrens Way",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921234223",
            "country_code": "US",
            "telephone_number": "858-576-1700",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1410 S La Brucherie Rd Ste B",
            "address_purpose": "LOCATION",
            "city": "El Centro",
            "state": "CA",
            "postal_code": "922439676",
            "country_code": "US",
            "telephone_number": "760-339-5620",
            "fax_number": "760-339-5621",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "959 Lane Ave",
            "address_purpose": "LOCATION",
            "city": "Chula Vista",
            "state": "CA",
            "postal_code": "919144528",
            "country_code": "US",
            "telephone_number": "619-502-7730",
            "fax_number": "619-502-7740",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "16918 Dove Canyon Rd Ste 103",
            "address_purpose": "LOCATION",
            "city": "San Diego",
            "state": "CA",
            "postal_code": "921273455",
            "country_code": "US",
            "telephone_number": "858-649-5100",
            "fax_number": "858-649-5099",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "CHOU",
        "first_name": "BRIAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-17",
        "last_updated": "2025-05-16",
        "certification_date": "2025-05-16",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "IL",
            "license": "125.073886",
            "primary": false
        },
        {
            "code": "2085R0001X",
            "taxonomy_group": "",
            "desc": "Radiology, Radiation Oncology",
            "state": "CA",
            "license": "A187126",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Philip Matthew Chorosevic, OTR/L
• Dana L Chortkoff, M.D.
• Choshim Inc
• David C. Chotiner, D.M.D.
• Brian Chou, O.D.
• Emily L Chou, MD
• Eric T Chou, M.D.
• Eva Chou, M.D.
• Helen Junie Chou, MD
• Hsun-Hua Chou, MD, PHD

• 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 May 16, 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.