Dr. Charlton K. Byun, MD
- Medicare services, 2024
- 25,251
- Medicare patients, 2024
- 1,133
- Affiliated sites
- 3
- Medical groups
- 15
- Insurance carriers
- 2
- Practice address
- 5651 Copley Dr, San Diego, CA 92111
- Practice phone
- Call (858) 262-6666
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Sharp Rees-Stealy Medical Group, Inc
San Diego, California
Find Dr. Byun's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Charlton K. Byun is a diagnostic radiologist in San Diego, California
Dr. Byun practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California.
Dr. Byun's NPI, 1225340961, was assigned on July 10, 2010. Dr. Byun graduated from Jacobs School of Medicine and Biomedical Sciences in 2003. Dr. Byun's California license number on file is C54035.
- NPI
- 1225340961NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082867528
- NPI enumeration date
- July 10, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 262-6666
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 49
- Medical school graduation
- 2003
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charlton K. Byun practices at Sharp Rees-Stealy Medical Group, Inc in San Diego, California
Dr. Byun's primary practice is Sharp Rees-Stealy Medical Group, Inc, at 5651 Copley Dr, San Diego, CA 92111 in San Diego County. The practice phone is (858) 262-6666.
- Sharp Rees-Stealy Medical Group, Inc5651 Copley Dr, San Diego, CA 92111 · San Diego CountyPhone(858) 262-6666
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Charlton K. Byun is affiliated with 4 sites of care and 15 medical groups
Dr. Byun's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Byun to 14 more medical groups and 3 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Charlton K. Byun's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Byun practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Sharp Rees-Stealy Medical Group, Inc | Available with a free account |
| +3 more sites and 14 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Charlton K. Byun is one of 4,096 diagnostic radiologists in California
Diagnostic radiology is Dr. Byun's primary specialty in the NPI Registry, under taxonomy code 2085R0202X. Dr. Byun is board certified in diagnostic radiology by the American Board of Radiology. Dmand AI has Dr. Byun's licenses on file in 6 states: California, Arizona, New Mexico, Virginia, New York and Colorado.
Specialties and state licenses
- Diagnostic radiology, CaliforniaPrimary
- Arizona license
- New Mexico license
- Virginia license
- New York license
- Colorado license
Diagnostic radiologists near Dr. Byun
Counts of diagnostic radiologists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Charlton K. Byun billed Medicare for 25,251 services in 2024
CMS data shows 25,251 Medicare services from Dr. Byun across 40 procedure codes in 2024, for 1,133 Medicare patients. Medicare paid $120,370 for them. Every service was in an office.
Dr. Byun's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 8,2162024: 21,524162%
- Drugs given in the office
- 2023: 882024: 2,5122755%
- Imaging
- 2023: 2632024: 1,139333%
- Surgery
- 2023: 02024: 76
Dr. Byun compared with the California median for diagnostic radiologists, 2024
- Dr. Byun
- California median
- Medicare services
- 25,251vs 2,28111.1 times
- Medicare patients
- 1,133vs 1,34616% below
Medians across 3,734 diagnostic radiologists in California with Dmand AI profiles that report each measure.
Dr. Byun's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Byun?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Byun and other diagnostic radiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Charlton K. Byun treated 1,133 Medicare patients in 2024, average age 74
CMS counts 1,133 Medicare patients who saw Dr. Byun in 2024. The largest group is 65 to 74, with 536 patients. 68% of them have high cholesterol, and 65% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.11, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Byun's median patient age at 67, with 58% women.
Dr. Byun's Medicare patients by age, 2024
Dr. Byun's Medicare patients by sex, 2024
- Women69261%
- Men44139%
Chronic conditions among Dr. Byun's Medicare patients, 2024
- High cholesterol68%
- High blood pressure65%
- Arthritis61%
- Diabetes26%
- Mood disorders23%
- Ischemic heart disease22%
- Depression21%
- Anxiety19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Byun's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 67
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. Charlton K. Byun takes part in Medicare
Dr. Byun accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Charlton K. Byun graduated from Jacobs School of Medicine and Biomedical Sciences
Dr. Byun graduated from Jacobs School of Medicine and Biomedical Sciences in 2003.
- Medical school
- Board certified in diagnostic radiology
- Board certified in neuroradiology
Source: Dmand AI Professional Profile Data
Dr. Charlton K. Byun accepts plans from 2 insurance carriers
Dr. Byun is in network with 2 carriers, including Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross and Blue Shield of Kansas City
- CMS Medicare
Plan types Dr. Byun accepts, by number of carriers
- EPO1
- Medicare1
Source: Dmand AI Insurance Network Data
Sources for Dr. Charlton K. Byun's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Charlton K. Byun
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Charlton K. Byun's NPI number?
Dr. Charlton K. Byun's NPI number is 1225340961. It was assigned on July 10, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Charlton K. Byun?
Dr. Charlton K. Byun is a diagnostic radiologist in San Diego, California. The primary specialty in the NPI Registry is Diagnostic Radiology Physician (taxonomy code 2085R0202X).
Where does Dr. Charlton K. Byun practice?
Dr. Byun practices at 5651 Copley Dr, San Diego, CA 92111. Dr. Byun's primary practice is Sharp Rees-Stealy Medical Group, Inc in San Diego, California. Dmand AI also links Dr. Byun to 14 medical groups and 3 group practices and clinics.
What is Dr. Charlton K. Byun's office phone number?
The practice phone on file for Dr. Byun is (858) 262-6666.
What is Dr. Charlton K. Byun's medical license number?
Dr. Byun's California license number on file is C54035, one of the licenses on file in 6 states.
Which states has Dr. Charlton K. Byun been licensed in?
Dmand AI has state licenses on file for Dr. Byun in California (2010 to 2025), Arizona (2012 to 2016), New Mexico (2013 to 2016), Virginia (2013 to 2016), New York (2004 to 2015) and Colorado (2011 to 2013).
What medical group is Dr. Charlton K. Byun part of?
Dr. Byun is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Byun to 14 more medical groups.
Does Dr. Charlton K. Byun accept Medicare?
Yes. CMS data shows Dr. Byun billed Medicare for 25,251 services in 2024, and Dr. Byun accepts Medicare assignment.
How many Medicare patients does Dr. Charlton K. Byun see?
CMS counts 1,133 Medicare patients who saw Dr. Byun in 2024, with an average age of 74.
Is Dr. Charlton K. Byun board certified?
Yes. Dr. Byun is board certified in diagnostic radiology by the American Board of Radiology.
Show 4 more questionsShow fewer questions
What services does Dr. Charlton K. Byun bill to Medicare?
In 2024, Dr. Byun's most billed Medicare services were medical supplies or transport (A9575), medicare temporary code (Q9967) and injected or infused drug (J1010).
Where did Dr. Charlton K. Byun go to medical school?
Dr. Byun graduated from Jacobs School of Medicine and Biomedical Sciences in 2003.
How long has Dr. Charlton K. Byun been practicing?
Dr. Byun graduated from medical school in 2003, 23 years ago.
What insurance does Dr. Charlton K. Byun accept?
Dr. Byun is in network with 2 carriers, including Blue Cross and Blue Shield of Kansas City and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
Selling to diagnostic radiology practices?
See diagnostic radiologists in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card