Judy Hyun Jin Jun, MD
Internal Medicine Physician · San Diego, CA
Judy Hyun Jin Jun, MD is an internal medicine physician with a practice address in San Diego, California, and NPI 1437785334, issued on Mar 23, 2020. Check the license (California A183695, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Judy Hyun Jin Jun
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A183695 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4077 Fifth Ave # Mer35, San Diego, CA 92103
- Phone
- (619) 260-7220
- Enumerated
- Mar 23, 2020
- Record last updated
- Jul 8, 2024
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 4077 Fifth Ave # Mer35
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kendell Anderson, D.O.Internal Medicine Physician1285028191
- Mina Askar, MDHospitalist Physician1457939928
- Ron Barak, MDCritical Care Medicine (Anesthesiology) Physician1386900157
- Trenton Bawcum, MDDiagnostic Radiology Physician1821592601
- Pranay Bonagiri, DOInternal Medicine Physician1104403591
- Jenna Carlson, DOHospitalist Physician1477180172
Verify Judy Hyun Jin Jun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A183695Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average internal medicine physician in 2024
109 Medicare Part D claims for 34 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 28% of claims.
Most prescribed
- Spiriva Respimat12 claims
- Prednisone11 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: $121.73
1 payment: food and beverage; the largest payer was Inari Medical, Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Judy Hyun Jin Jun among 17,696 internal medicine physician records in California
Judy Hyun Jin Jun, MD is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 89% of them.
- NPI issued2020 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2024 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
961 internal medicine physician records list a practice address in San Diego
They are 961 of the 52,937 NPPES records with a practice address in San Diego, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in San Diego → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Hamid Amjadi, DOSan Diego, CA 921031700861333
- Donald Brandon, M.D.San Diego, CA 921031740272467
- Daniel Bressler, M.D.San Diego, CA 921031700887726
- Eric Dahms, M.D.San Diego, CA 921031306808464
- Janette Gray, M.D.San Diego, CA 921031295721876
- San Hsieh, MDSan Diego, CA 921031851388847
- Arthur Kingsbury, M.D.San Diego, CA 921031144216284
- Timothy O'Neill, M.D.San Diego, CA 921031831172295
Common questions
What is Judy Hyun Jin Jun, MD's NPI number?
Judy Hyun Jin Jun, MD's National Provider Identifier (NPI) is 1437785334, issued on Mar 23, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Judy Hyun Jin Jun, MD located?
The NPPES record lists a practice address at 4077 Fifth Ave # Mer35, San Diego, CA, 92103. Phone: (619) 260-7220. Providers update this record themselves, so call before visiting.
How can I verify Judy Hyun Jin Jun, MD's license?
NPPES lists California license number A183695, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Judy Hyun Jin Jun, MD prescribe under Medicare Part D?
In 2024, Judy Hyun Jin Jun, MD had 109 Medicare Part D claims for 34 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.