NPPES file of Aug 9, 2026

John Sanghoon Lee, D.M.D.

General Practice Dentistry · Fullerton, CA

John Sanghoon Lee, D.M.D. is a general practice dentistry with a practice address in Fullerton, California, and NPI 1457434938, issued on Oct 20, 2006. Check the license (California 52078, 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
1457434938
Name
John Sanghoon Lee
Credential
D.M.D.
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
52078 CA
Self-reported in NPPES; status is on the state search
Practice location
536 W Commonwealth Ave, Fullerton, CA 92832
Phone
(714) 449-1686
Enumerated
Oct 20, 2006
Record last updated
Feb 19, 2026
Fax
(714) 449-1688
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 John Sanghoon Lee 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 52078
    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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2.3 times the Medicare Part D claims of the average general practice dentistry in 2024

187 Medicare Part D claims for 92 beneficiaries, against an average of 83 among the 70,290 providers of this specialty who prescribed in Part D.

  1. John Lee187
  2. Specialty average83

Most prescribed

  1. Amoxicillin98 claims
  2. Ibuprofen56 claims
  3. Chlorhexidine Gluconate16 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.

John Sanghoon Lee among 17,852 general practice dentistry records in California

John Sanghoon Lee, D.M.D. 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 2006, is newer than 3% of them.

  • NPI issued2006 · 3% of these records are older, 71% 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 updated2026 · 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. Fereshteh Mazhary, D.M.D.Fullerton, CA 928321376531418
  7. Dani Nguyen, D.D.S.Fullerton, CA 928321013958636
  8. Khoi Nguyen, D.D.SFullerton, CA 928321265558076

Common questions

What is John Sanghoon Lee, D.M.D.'s NPI number?

John Sanghoon Lee, D.M.D.'s National Provider Identifier (NPI) is 1457434938, issued on Oct 20, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Sanghoon Lee, D.M.D. located?

The NPPES record lists a practice address at 536 W Commonwealth Ave, Fullerton, CA, 92832. Phone: (714) 449-1686. Providers update this record themselves, so call before visiting.

How can I verify John Sanghoon Lee, D.M.D.'s license?

NPPES lists California license number 52078, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does John Sanghoon Lee, D.M.D. prescribe under Medicare Part D?

In 2024, John Sanghoon Lee, D.M.D. had 187 Medicare Part D claims for 92 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.