Yeong K. Ahn, M.D.
Specialist · Los Angeles, CA
Yeong K. Ahn, M.D. is a specialist with a practice address in Los Angeles, California, and NPI 1073504031, issued on Oct 31, 2005. Check the license (California A45633, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Yeong K. Ahn
- Credential
- M.D.
- Primary taxonomy
- Specialist 174400000X
- License number
- A45633 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1300 N Vermont Ave, Los Angeles, CA 90027
- Phone
- (323) 457-4350
- Enumerated
- Oct 31, 2005
- Record last updated
- Dec 11, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (323) 913-4351
- Medicaid ID
- 00A456330 CA
- Medicare enrollment
- Enrolled (PECOS I20070111000641); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Also registered at 1300 N Vermont Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Philip Abdoush, M.D.Personal Emergency Response Attendant1700091378
- Babak Abrishami, D.O.Pulmonary Disease Physician1972553576
- Allen Adams, M.D.Critical Care Medicine (Internal Medicine) Physician1700862794
- Oscar Alvarez, IBCLCLactation Consultant (Non-RN)1396185617
- Silverio Arano, MDFamily Medicine Physician1447229851
- Jonathan Austria, COTA/LOccupational Therapy Assistant1891464608
Verify Yeong K. Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license A45633Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average specialist in 2024
64 Medicare Part D claims for 45 beneficiaries, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. 20 claims were for opioids.
Most prescribed
- Hydrocodone-Acetaminophen17 claims
- Ibuprofen12 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: $11,761.25
28 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Yeong K. Ahn among 5,749 specialist records in California
Yeong K. Ahn, M.D. is one of 5,749 specialist records with a practice address in California. 30% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 93% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileYes · 19% of these records are
- Graduated1980 · median 1989 among the 1,075 with a school on file
- Record last updated2020 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in Los Angeles → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- Tim BoisseyLos Angeles, CA 900271598132433
- Karapet Dermendjian, M.D.Los Angeles, CA 900271326059452
- Shobhana Gandhi, M.D.Los Angeles, CA 900271316051451
- David Geller, M.D.Los Angeles, CA 900271154350528
- Mehdi Habibi, M.D.Los Angeles, CA 900271083759997
- Angelina Jedlicka, PTLos Angeles, CA 900271730386129
- Krikor Kalindjian, M.D.Los Angeles, CA 900271871546333
- Cyrus Kermani, M.D.Los Angeles, CA 900271154566248
Common questions
What is Yeong K. Ahn, M.D.'s NPI number?
Yeong K. Ahn, M.D.'s National Provider Identifier (NPI) is 1073504031, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Yeong K. Ahn, M.D. located?
The NPPES record lists a practice address at 1300 N Vermont Ave, Los Angeles, CA, 90027. Phone: (323) 457-4350. Providers update this record themselves, so call before visiting.
How can I verify Yeong K. Ahn, M.D.'s license?
NPPES lists California license number A45633, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Yeong K. Ahn, M.D. prescribe under Medicare Part D?
In 2024, Yeong K. Ahn, M.D. had 64 Medicare Part D claims for 45 beneficiaries; the average among specialist prescribers was 1,380. 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.