NPPES file of Aug 9, 2026

Helen Doyeon Kim, D.D.S.

General Practice Dentistry · Fullerton, CA

Helen Doyeon Kim, D.D.S. is a general practice dentistry with a practice address in Fullerton, California, and NPI 1841442308, issued on Oct 15, 2008. Check the license (California 49564, 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
1841442308
Name
Helen Doyeon Kim
Credential
D.D.S.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
49564 CA
Self-reported in NPPES; status is on the state search
Practice location
506 W Commonwealth Ave, Fullerton, CA 92832
Phone
(714) 738-7777
Enumerated
Oct 15, 2008
Record last updated
Oct 15, 2008 (not updated in 18 years: call before relying on the address or phone)
Fax
(714) 738-8152
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.
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Verify Helen Doyeon Kim 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 49564
    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
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65% fewer Medicare Part D claims than the average general practice dentistry in 2024

29 Medicare Part D claims for 20 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Helen Kim29
  2. Specialty average83

Most prescribed

  1. Amoxicillin14 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.

Helen Doyeon Kim among 17,852 general practice dentistry records in California

Helen Doyeon Kim, D.D.S. is one of 17,852 general practice dentistry records with a practice address in California. 57% 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 60% of them.

  • NPI issued2008 · 60% of these records are older, 35% newer
  • In a Medicare fileYes · 57% of these records are
  • In the CMS Doctors and Clinicians fileNo · under 1% of these records are
  • Record last updated2008 · 79% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 1223G0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

75 general practice dentistry records list a practice address in Fullerton

They are 75 of the 5,437 NPPES records with a practice address in Fullerton, and 17,852 general practice dentistry records in California.

The 8 general practice dentistry records with the nearest ZIP codes

  1. David Barnett, DMDFullerton, CA 928321306993217
  2. Richard Dow, DDSFullerton, CA 928321730298464
  3. Susie Hong, D.D.S.Fullerton, CA 928321750408563
  4. Phuong Huynh, DDSFullerton, CA 928321063514370
  5. David Lee, D.D.S.Fullerton, CA 928321609890631
  6. John Lee, D.M.D.Fullerton, CA 928321457434938
  7. Fereshteh Mazhary, D.M.D.Fullerton, CA 928321376531418
  8. Dani Nguyen, D.D.S.Fullerton, CA 928321013958636

Common questions

What is Helen Doyeon Kim, D.D.S.'s NPI number?

Helen Doyeon Kim, D.D.S.'s National Provider Identifier (NPI) is 1841442308, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Helen Doyeon Kim, D.D.S. located?

The NPPES record lists a practice address at 506 W Commonwealth Ave, Fullerton, CA, 92832. Phone: (714) 738-7777. Providers update this record themselves, so call before visiting.

How can I verify Helen Doyeon Kim, D.D.S.'s license?

NPPES lists California license number 49564, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Helen Doyeon Kim, D.D.S. prescribe under Medicare Part D?

In 2024, Helen Doyeon Kim, D.D.S. had 29 Medicare Part D claims for 20 beneficiaries; the average among general practice dentistry prescribers was 83. 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.