Gene Hyounglin Park, D.D.S., M.S.
Periodontics · Fullerton, CA
Gene Hyounglin Park, D.D.S., M.S. is a periodontics with a practice address in Fullerton, California, and NPI 1235304791, issued on Apr 25, 2008. Check the license (California 49631, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Gene Hyounglin Park
- Credential
- D.D.S., M.S.
- Primary taxonomy
- Periodontics 1223P0300X
- License number
- 49631 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1031 Rosecrans Ave Ste 104, Fullerton, CA 92833
- Phone
- (714) 519-3932
- Enumerated
- Apr 25, 2008
- Record last updated
- Nov 6, 2025
- Fax
- (714) 519-3935
- Entity
- Type 1 · individual
8 nearest periodontics records → All 929 in California → Look up another NPI →
Verify Gene Hyounglin Park in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 49631Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
23% fewer Medicare Part D claims than the average periodontics in 2024
213 Medicare Part D claims for 117 beneficiaries, against an average of 277 among the 4,191 providers of this specialty who prescribed in Part D.
Most prescribed
- Amoxicillin142 claims
- Cephalexin36 claims
- Amoxicillin-Clavulanate Potass12 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.
Gene Hyounglin Park among 929 periodontics records in California
Gene Hyounglin Park, D.D.S., M.S. is one of 929 periodontics records with a practice address in California. 69% 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, 33% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2025 · 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 1223P0300X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Periodontics providers in California
There are 929 periodontics records in California.
All 929 in California → Every provider in Fullerton → Periodontics nationwide →
The 8 periodontics records with the nearest ZIP codes
- Eric Cho, DDSFullerton, CA 928331699804203
- John Choi, DDS, PHDFullerton, CA 928351720126337
- Ashley ChoiFullerton, CA 928351790673747
- Donald Clem, D.D.S.Fullerton, CA 928351770673287
- Irwin Wedner, D.D.S.Fullerton, CA 928351699727610
- Nelson Yen, D.D.S., M.S.Fullerton, CA 928351245330091
- Alan Young, D.M.D.Garden Grove, CA 928401124062260
- Ayman Balshe, DDS, MSAnaheim, CA 928061790839629
Common questions
What is Gene Hyounglin Park, D.D.S., M.S.'s NPI number?
Gene Hyounglin Park, D.D.S., M.S.'s National Provider Identifier (NPI) is 1235304791, issued on Apr 25, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Gene Hyounglin Park, D.D.S., M.S. located?
The NPPES record lists a practice address at 1031 Rosecrans Ave Ste 104, Fullerton, CA, 92833. Phone: (714) 519-3932. Providers update this record themselves, so call before visiting.
How can I verify Gene Hyounglin Park, D.D.S., M.S.'s license?
NPPES lists California license number 49631, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Gene Hyounglin Park, D.D.S., M.S. prescribe under Medicare Part D?
In 2024, Gene Hyounglin Park, D.D.S., M.S. had 213 Medicare Part D claims for 117 beneficiaries; the average among periodontics prescribers was 277. 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.