Ji Hyun Chun, PA-C
Medical Physician Assistant · Laguna Niguel, CA
Ji Hyun Chun, PA-C is a medical physician assistant with a practice address in Laguna Niguel, California, and NPI 1982912945, issued on Sep 23, 2010. Check the license (California PA51792, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Ji Hyun Chun
- Credential
- PA-C
- Primary taxonomy
- Medical Physician Assistant 363AM0700X
- License number
- PA51792 CA
Self-reported in NPPES; status is on the state search - Practice location
- 30281 Golden Lantern, Laguna Niguel, CA 92677
- Phone
- (949) 495-7144
- Enumerated
- Sep 23, 2010
- Record last updated
- Mar 17, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (949) 495-0270
- Entity
- Type 1 · individual
8 nearest medical physician assistant records → All 3,376 in California → Look up another NPI →
Also registered at 30281 Golden Lantern
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Valery Bergeron-Desimone, PA-CPhysician Assistant1801097704
- Bassam Bilal, M.D.Internal Medicine Physician1306890827
- Vincent Duda, MDInternal Medicine Physician1104883610
- Amitpal Kohli, M.D.Endocrinology, Diabetes & Metabolism Physician1215151071
- Lothar McMillian, M.D.Family Medicine Physician1588748891
- Parisa Mortaji, MDInternal Medicine Physician1083174841
Verify Ji Hyun 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 PA51792Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average medical physician assistant in 2024
103 Medicare Part D claims for 27 beneficiaries, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium26 claims
- Synjardy Xr12 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.
Industry payments in 2024: $470.08
10 payments; by number, the most common kind was food and beverage; the largest payer was Bayer Healthcare Pharmaceuticals Inc. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Ji Hyun Chun among 3,376 medical physician assistant records in California
Ji Hyun Chun, PA-C is one of 3,376 medical physician assistant 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 2010, is newer than 42% of them.
- NPI issued2010 · 42% of these records are older, 54% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 40% of these records are
- Record last updated2018 · 54% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Medical Physician Assistant providers in California
There are 3,376 medical physician assistant records in California.
All 3,376 in California → Every provider in Laguna Niguel → Medical Physician Assistant nationwide →
The 8 medical physician assistant records with the nearest ZIP codes
- Dylan Hunt, PALaguna Niguel, CA 926771588302806
- Nancy Koehler, PA-CLaguna Niguel, CA 926771164543716
- Christopher Loera, PA-CLaguna Niguel, CA 926771528496593
- Yasna Mehrabani, PA-CLaguna Niguel, CA 926771275184152
- Jessica Witzmann, PALaguna Niguel, CA 926771992307235
- Brynn Bailey, MS, PA-CSan Juan Capistrano, CA 926751083855407
- Julianne Gilboy, PA-CTrabuco Canyon, CA 926791346715018
- Karny Kuehl, PA-CSan Juan Capistrano, CA 926751770100711
Common questions
What is Ji Hyun Chun, PA-C's NPI number?
Ji Hyun Chun, PA-C's National Provider Identifier (NPI) is 1982912945, issued on Sep 23, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Ji Hyun Chun, PA-C located?
The NPPES record lists a practice address at 30281 Golden Lantern, Laguna Niguel, CA, 92677. Phone: (949) 495-7144. Providers update this record themselves, so call before visiting.
How can I verify Ji Hyun Chun, PA-C's license?
NPPES lists California license number PA51792, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Ji Hyun Chun, PA-C prescribe under Medicare Part D?
In 2024, Ji Hyun Chun, PA-C had 103 Medicare Part D claims for 27 beneficiaries; the average among medical physician assistant prescribers was 1,148. 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.