Doctor profile · Federal record

Dr. Charlton Byun, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Long Beach, CA

  • NPI 1225340961
  • Accepts Medicare
  • 23 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4241 Long Beach Blvd, Rad-Image Medical Group INC.
Long Beach, CA 908072003
(562) 912-2507
fax (484) 918-2507

Credentials & registration

NPPES · NUCC
NPI registered
July 2010 — 16 yrs on file
Profile last updated
November 29, 2021
Year of graduation
2003 — 23 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #C54035

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225340961. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
8,567
Distinct HCPCS
10
Medicare allowed
$35,226
HCPCS Description Services Patients Avg allowed
A9575 Injection, gadoterate meglumine, 0.1 ml 6,202 37 $0
Q9967 Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml 1,895 22 $0
Q9966 Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml 119 14 $0
J3301 Injection, triamcinolone acetonide, not otherwise specified, 10 mg 88 16 $1
72100 X-ray of lower and sacral spine, 2-3 views 52 52 $46
72040 X-ray of upper spine, 2-3 views 42 42 $46
72148 Mri scan of lower spinal canal without contrast 34 34 $224
73502 X-ray of hip, 2-3 views 31 31 $54
70553 Mri scan of brain before and after contrast 30 30 $348
71046 X-ray of chest, 2 views 24 24 $38

In context: peer comparison

Among 11 peers in Long Beach Diagnostic Radiology Physician, average services per provider: 271. This provider delivers 32× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Charlton Byun's medical specialty?
Dr. Charlton Byun practices Diagnostic Radiology Physician in Long Beach, CA.
Where does Dr. Charlton Byun practice?
Dr. Charlton Byun practices at 4241 Long Beach Blvd, Long Beach, CA 908072003. Office phone: 5629122507.
What is Dr. Charlton Byun's NPI?
Dr. Charlton Byun's National Provider Identifier (NPI) is 1225340961, issued by NPPES.
Does Dr. Charlton Byun accept Medicare assignment?
Yes. Dr. Charlton Byun accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlton Byun commonly perform?
Top Medicare-reported procedures in 2023: Injection, gadoterate meglumine, 0.1 ml (HCPCS A9575); Low osmolar contrast material, 300-399 mg/ml iodine concentration, per ml (HCPCS Q9967); Low osmolar contrast material, 200-299 mg/ml iodine concentration, per ml (HCPCS Q9966). Source: CMS Medicare Physician & Other Practitioners file.