NPPES file of Aug 9, 2026

Simon Chun, DDS

Dentist · Rosemead, CA

Simon Chun, DDS is a dentist with a practice address in Rosemead, California, and NPI 1093116279, issued on Sep 8, 2014. Check the license (California 43923, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1093116279
Name
Simon Chun
Credential
DDS
Primary taxonomy
Dentist 122300000X
License number
43923 CA
Self-reported in NPPES; status is on the state search
Practice location
9700 Valley Blvd, Rosemead, CA 91770
Phone
(626) 350-0447
Enumerated
Sep 8, 2014
Record last updated
Sep 8, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(626) 350-0225
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Verify Simon Chun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 43923
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

55% fewer Medicare Part D claims than the average dentist in 2024

39 Medicare Part D claims for 26 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Simon Chun39
  2. Specialty average86

Most prescribed

  1. Amoxicillin25 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.

Simon Chun among 14,729 dentist records in California

Simon Chun, DDS is one of 14,729 dentist records with a practice address in California. 56% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 63% of them.

  • NPI issued2014 · 63% of these records are older, 33% newer
  • In a Medicare fileYes · 56% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2014 · 73% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

15 dentist records list a practice address in Rosemead

They are 15 of the 839 NPPES records with a practice address in Rosemead, and 14,729 dentist records in California.

The 8 dentist records with the nearest ZIP codes

  1. Paul Chang, DDSRosemead, CA 917701922131978
  2. Wendy Chin, D.D.S.Rosemead, CA 917701457603110
  3. Jimmy Dang, DMDRosemead, CA 917701215305719
  4. Steven Hou, DDSRosemead, CA 917701215029772
  5. Dai KitamuraRosemead, CA 917701356760169
  6. Vivienne Lee, DDSRosemead, CA 917701184714537
  7. So Yeun LeeRosemead, CA 917701437629094
  8. Vivian LuRosemead, CA 917701720299506

Common questions

What is Simon Chun, DDS's NPI number?

Simon Chun, DDS's National Provider Identifier (NPI) is 1093116279, issued on Sep 8, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Simon Chun, DDS located?

The NPPES record lists a practice address at 9700 Valley Blvd, Rosemead, CA, 91770. Phone: (626) 350-0447. Providers update this record themselves, so call before visiting.

How can I verify Simon Chun, DDS's license?

NPPES lists California license number 43923, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Simon Chun, DDS prescribe under Medicare Part D?

In 2024, Simon Chun, DDS had 39 Medicare Part D claims for 26 beneficiaries; the average among dentist prescribers was 86. 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.