Doctor profile · Federal record

Dr. Bryan Chang, MD

Therapeutic Radiology Physician (CMS: Radiation Oncology) · Torrance, CA

  • NPI 1619151826
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3330 Lomita Blvd
Torrance, CA 905055002
(310) 517-4750
Mailing address
34 Williamsburg Dr
Orange, CT 064771230

Credentials & registration

NPPES · NUCC
NPI registered
December 2007 — 19 yrs on file
Profile last updated
March 13, 2024
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0203X — NUCC code
State license (1)
Connecticut #390200000X

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1619151826. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,223
Distinct HCPCS
10
Medicare allowed
$104,625
HCPCS Description Services Patients Avg allowed
G6002 Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy 330 23 $22
77014 Ct guidance for insertion of radiation therapy fields 272 23 $48
77427 Radiation treatment management, 5 treatment sessions 138 36 $205
77300 Calculation of radiation therapy dose 97 36 $35
77334 Design and construction of complex radiation treatment device 76 32 $65
77263 Complex radiation therapy planning 37 35 $180
99205 New patient office or other outpatient visit, 60-74 minutes 36 36 $190
99213 Established patient office or other outpatient visit, 20-29 minutes 34 28 $69
99214 Established patient office or other outpatient visit, 30-39 minutes 34 23 $103
77301 High precision radiation therapy planning 25 24 $451

In context: peer comparison

Among 1 peers in Torrance Therapeutic Radiology Physician, average services per provider: 67. This provider delivers 18× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Spectrum Pharmaceuticals INC. 1 $21.83

By nature of payment

Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
96
Patients
40
Total drug cost
$1,261
Drug Type Claims Patients Total cost
Tamsulosin Hcl Generic 67 24 $1,022
Ciprofloxacin Hcl Generic 17 16 $55
Pentoxifylline Generic 12 0 $183

Frequently asked questions

Auto-generated from federal data
What is Dr. Bryan Chang's medical specialty?
Dr. Bryan Chang practices Therapeutic Radiology Physician in Torrance, CA.
Where does Dr. Bryan Chang practice?
Dr. Bryan Chang practices at 3330 Lomita Blvd, Torrance, CA 905055002. Office phone: 3105174750.
What is Dr. Bryan Chang's NPI?
Dr. Bryan Chang's National Provider Identifier (NPI) is 1619151826, issued by NPPES.
Does Dr. Bryan Chang accept Medicare assignment?
Yes. Dr. Bryan Chang accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Bryan Chang commonly perform?
Top Medicare-reported procedures in 2023: Stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy (HCPCS G6002); Ct guidance for insertion of radiation therapy fields (HCPCS 77014); Radiation treatment management, 5 treatment sessions (HCPCS 77427). Source: CMS Medicare Physician & Other Practitioners file.