Ik Jun
Pulmonary Disease Physician · Los Angeles, CA
Ik Jun is a pulmonary disease physician with a practice address in Los Angeles, California, and NPI 1417309915, issued on Jul 7, 2016. Check the license (California A153521, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Ik Jun
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A153521 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4245 Avocado St, Los Angeles, CA 90027
- Phone
- (818) 272-1366
- Enumerated
- Jul 7, 2016
- Record last updated
- Apr 9, 2024
- Medicare enrollment
- Enrolled (PECOS I20200102002670); accepts Medicare assignment
- Medical or professional school
- Saint Louis University School Of Medicine, 2016
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Verify Ik Jun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A153521Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
792 Medicare Part D claims for 177 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 49% of claims.
Most prescribed
- Wixela Inhub194 claims
- Albuterol Sulfate Hfa152 claims
- Spiriva Respimat140 claims
- Breyna33 claims
- Alvesco31 claims
- Prednisone31 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupPanorama City, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ik Jun among 1,443 pulmonary disease physician records in California
Ik Jun is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 86% of them.
- NPI issued2016 · 86% of these records are older, 11% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2016 · median 2002 among the 1,061 with a school on file
- Record last updated2024 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in Los Angeles → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Babak Abrishami, D.O.Los Angeles, CA 900271972553576
- Gabriel Gomez, MDLos Angeles, CA 900271952614554
- Thomas Mahrer, MDLos Angeles, CA 900271174682751
- Luis Moreta-Sainz, MDLos Angeles, CA 900271518038579
- Catherine Nobel, MDLos Angeles, CA 900271184791089
- Louis Park, M.D.Los Angeles, CA 900271962446039
- Alan Rothfeld, MDLos Angeles, CA 900271215040266
- Kenneth Wei, M.D.Los Angeles, CA 900271588756977
Common questions
What is Ik Jun's NPI number?
Ik Jun's National Provider Identifier (NPI) is 1417309915, issued on Jul 7, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Ik Jun located?
The NPPES record lists a practice address at 4245 Avocado St, Los Angeles, CA, 90027. Phone: (818) 272-1366. Providers update this record themselves, so call before visiting.
How can I verify Ik Jun's license?
NPPES lists California license number A153521, 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 Ik Jun prescribe under Medicare Part D?
In 2024, Ik Jun had 792 Medicare Part D claims for 177 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.