Physician Profile
Based in Torrance, CA, Bryan Chang, MD is listed in the NPI registry under therapeutic radiology. Bryan graduated from University of Connecticut School of Medicine in 2003. According to Medicare claims data, Bryan cared for 597 Medicare patients across 1,730 services. The services billed most often include ct guidance for insertion of radiation therapy fields, stereoscopic x-ray guidance for localization of target volume for the delivery of radiation therapy, and calculation of radiation therapy dose.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
License numbers are what the provider reported to NPPES when the NPI was issued or updated. NPPES does not verify licensure; confirm current standing with the state licensing board.
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
3330 LOMITA BLVD
Torrance, CA 90505
1,730 services · 597 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Ct guidance for insertion of radiation therapy fields | Imaging | 77014 |
408 | As often as other peers in Therapeutic Radiology |
| Calculation of radiation therapy dose | Imaging | 77300 |
189 | As often as other peers in Therapeutic Radiology |
| Radiation treatment management, 5 treatment sessions | Imaging | 77427 |
171 | More often than most peers in Therapeutic Radiology |
| Design and construction of complex radiation treatment device | Imaging | 77334 |
114 | As often as other peers in Therapeutic Radiology |
| Complex radiation therapy planning | Imaging | 77263 |
57 | As often as other peers in Therapeutic Radiology |
| Design and construction of radiation treatment device for high precision radiation therapy | Imaging | 77338 |
36 | As often as other peers in Therapeutic Radiology |
| Design and construction of simple radiation treatment device | Imaging | 77332 |
36 | |
| High precision radiation therapy planning | Imaging | 77301 |
36 | As often as other peers in Therapeutic Radiology |
| Obtaining data needed to develop the optimal radiation treatment, 3 or more treatment areas or any number of treatment areas where special treatment is involved | Imaging | 77290 |
28 | As often as other peers in Therapeutic Radiology |
| Special radiation treatment | Imaging | 77470 |
25 | As often as other peers in Therapeutic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Dr. Chang is a therapeutic radiology in Torrance, CA. That is the designation recorded for this NPI in the federal registry.
NPI registry
Dr. Chang is listed at 3330 Lomita Blvd, Torrance, CA 90505. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
The number on file is (310) 517-4750. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
Dr. Chang's National Provider Identifier is 1619151826. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Dr. Chang attended University of Connecticut School of Medicine, graduating in 2003. This comes from the CMS National Downloadable File.
CMS public data
Dr. Chang has 23 years experience. Calculated from a graduation year of 2003, reported in the CMS National Downloadable File.
CMS public data
According to Medicare billing data, Dr. Chang performs imaging including ct guidance for insertion of radiation therapy fields and calculation of radiation therapy dose, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Chang. If this is you, claiming it is free.
Guide.md
Provider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.