Bryan Sun, M.D., PH.D
Dermatology Physician · Orange, CA
Bryan Sun, M.D., PH.D is a dermatology physician with a practice address in Orange, California, and NPI 1275787673, issued on Nov 12, 2008. Check the license (California A109152, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Bryan Sun
- Credential
- M.D., PH.D
- Primary taxonomy
- Dermatology Physician 207N00000X
- License number
- A109152 CA
Self-reported in NPPES; status is on the state search - Practice location
- 101 The City Dr S, Orange, CA 92868
- Phone
- (949) 824-0606
- Enumerated
- Nov 12, 2008
- Record last updated
- Oct 27, 2023
- Medicare enrollment
- Enrolled (PECOS I20111109000033); accepts Medicare assignment
- Medical or professional school
- Harvard Medical School, 2008
- Entity
- Type 1 · individual
8 nearest dermatology physician records → All 2,083 in California → Look up another NPI →
Also registered at 101 The City Dr S
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Danny Abad, PAPhysician Assistant1477158673
- Edward AbaradoStudent in an Organized Health Care Education/Training Program1912855198
- Nagina Abdiani, DOGeriatric Medicine (Family Medicine) Physician1518543271
- Mariam Abdul-Latif, M.D.Pediatrics Physician1538418884
- Eric AbelloOtolaryngology Physician1922566215
- Brandon Abeyta, MDAnesthesiology Physician1841291804
Verify Bryan Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A109152Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average dermatology physician in 2024
224 Medicare Part D claims for 98 beneficiaries, against an average of 797 among the 12,802 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.
Most prescribed
- Ketoconazole32 claims
- Triamcinolone Acetonide27 claims
- Hydrocortisone22 claims
- Clobetasol Propionate18 claims
- Mupirocin18 claims
- Fluocinonide16 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 100 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Uci Department OF DermatologyOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Bryan Sun among 2,083 dermatology physician records in California
Bryan Sun, M.D., PH.D is one of 2,083 dermatology physician records with a practice address in California. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 55% of them.
- NPI issued2008 · 55% of these records are older, 39% newer
- In a Medicare fileYes · 83% of these records are
- In the CMS Doctors and Clinicians fileYes · 70% of these records are
- Graduated2008 · median 2006 among the 1,450 with a school on file
- Record last updated2023 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207N00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Dermatology Physician providers in California
There are 2,083 dermatology physician records in California.
All 2,083 in California → Every provider in Orange → Dermatology Physician nationwide →
The 8 dermatology physician records with the nearest ZIP codes
- Elizabeth Cavalier, M.D.Orange, CA 928681932373701
- Andrew Creadore, MDOrange, CA 928681477139327
- Brooke Cui, MDOrange, CA 928681649706441
- Xiying Fan, MD, PHDOrange, CA 928681447811104
- Allene FonsecaOrange, CA 928681487008025
- Anand Ganesan, MDOrange, CA 928681104895580
- Shilpa GhatnekarOrange, CA 928681972184497
- Rachel GilmoreOrange, CA 928681467956607
Common questions
What is Bryan Sun, M.D., PH.D's NPI number?
Bryan Sun, M.D., PH.D's National Provider Identifier (NPI) is 1275787673, issued on Nov 12, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Bryan Sun, M.D., PH.D located?
The NPPES record lists a practice address at 101 The City Dr S, Orange, CA, 92868. Phone: (949) 824-0606. Providers update this record themselves, so call before visiting.
How can I verify Bryan Sun, M.D., PH.D's license?
NPPES lists California license number A109152, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Bryan Sun, M.D., PH.D prescribe under Medicare Part D?
In 2024, Bryan Sun, M.D., PH.D had 224 Medicare Part D claims for 98 beneficiaries; the average among dermatology physician prescribers was 797. Part D covers Medicare prescriptions only.
What is Bryan Sun, M.D., PH.D's MIPS final score?
The 2023 MIPS final score is 100 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.