Christopher Sun Chun, D.D.S.
Endodontics · Valencia, CA
Christopher Sun Chun, D.D.S. is an endodontics with a practice address in Valencia, California, and NPI 1285167049, issued on Apr 9, 2017. Check the license (California 65255, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Christopher Sun Chun
- Credential
- D.D.S.
- Primary taxonomy
- Endodontics 1223E0200X
- License number
- 65255 CA
Self-reported in NPPES; status is on the state search - Practice location
- 28212 Kelly Johnson Pkwy Ste 290, Valencia, CA 91355
- Phone
- (661) 254-1924
- Enumerated
- Apr 9, 2017
- Record last updated
- Apr 10, 2017 (not updated in 9 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest endodontics records → All 1,018 in California → Look up another NPI →
Also registered at 28212 Kelly Johnson Pkwy Ste 290
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Catherine KimEndodontics1881072882
- Jooyoung Song, DDSEndodontics1225535073
Verify Christopher Sun Chun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 65255Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% more Medicare Part D claims than the average endodontics in 2024
162 Medicare Part D claims for 95 beneficiaries, against an average of 121 among the 4,119 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Dexamethasone43 claims
- Amoxicillin-Clavulanate Potass40 claims
- Amoxicillin32 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.
Christopher Sun Chun among 1,018 endodontics records in California
Christopher Sun Chun, D.D.S. is one of 1,018 endodontics records with a practice address in California. 68% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 89% of them.
- NPI issued2017 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 68% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2017 · 78% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223E0200X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endodontics providers in California
There are 1,018 endodontics records in California.
All 1,018 in California → Every provider in Valencia → Endodontics nationwide →
The 8 endodontics records with the nearest ZIP codes
- John Evans, D.D.S.Valencia, CA 913551316164064
- Jason Gim, DDSValencia, CA 913551912022542
- David Han, DDSValencia, CA 913551871638510
- Jacqueline Jacobson, D.M.D. ,C.A.G.S.Valencia, CA 913551538296017
- Julia Jeong, DMDSanta Clarita, CA 913551699561738
- Rayan Kafri, DMDValencia, CA 913551124284864
- Catherine KimValencia, CA 913551881072882
- Jooyoung Song, DDSValencia, CA 913551225535073
Common questions
What is Christopher Sun Chun, D.D.S.'s NPI number?
Christopher Sun Chun, D.D.S.'s National Provider Identifier (NPI) is 1285167049, issued on Apr 9, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Christopher Sun Chun, D.D.S. located?
The NPPES record lists a practice address at 28212 Kelly Johnson Pkwy Ste 290, Valencia, CA, 91355. Phone: (661) 254-1924. Providers update this record themselves, so call before visiting.
How can I verify Christopher Sun Chun, D.D.S.'s license?
NPPES lists California license number 65255, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Christopher Sun Chun, D.D.S. prescribe under Medicare Part D?
In 2024, Christopher Sun Chun, D.D.S. had 162 Medicare Part D claims for 95 beneficiaries; the average among endodontics prescribers was 121. Part D covers Medicare prescriptions only.
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.