NPPES file of Aug 9, 2026

David K. Yun, MD

Otolaryngology Physician · Glendale, CA

David K. Yun, MD is an otolaryngology physician with a practice address in Glendale, California, and NPI 1932186459, issued on Dec 27, 2005. Check the license (California A89415, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1932186459
Name
David K. Yun
Credential
MD
Primary taxonomy
Otolaryngology Physician 207Y00000X
License number
A89415 CA
Self-reported in NPPES; status is on the state search
Practice location
1505 Wilson Ter, Glendale, CA 91206
Phone
(818) 241-2101
Enumerated
Dec 27, 2005
Record last updated
Sep 24, 2013 (not updated in 13 years: call before relying on the address or phone)
Fax
(818) 241-2166
Medicaid IDs
00A894150 CA
GR0088300 CA
Medicare enrollment
Enrolled (PECOS I20050622001044); accepts Medicare assignment
Medical or professional school
University Of California, San Diego School Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 1505 Wilson Ter

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dariush Arfaania, M.D.Nephrology Physician1265543755
  2. Eddie Avedikian, PHARM.D.Pharmacist1144417825
  3. Boris Bagdasarian, D.O.Hematology & Oncology Physician1598758062
  4. Estelita Calica, M.D.Psychiatry Physician1548368665
  5. Vladimir Camarce, N.P.Nurse Practitioner1306214242
  6. Sarah Carroll, M.D.Otolaryngology Physician1962608281

Verify David K. Yun in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A89415
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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43% fewer Medicare Part D claims than the average otolaryngology physician in 2024

307 Medicare Part D claims for 183 beneficiaries, against an average of 541 among the 8,339 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. David Yun307
  2. Specialty average541

Most prescribed

  1. Ciprofloxacin-Dexamethasone57 claims
  2. Fluticasone Propionate42 claims
  3. Ipratropium Bromide27 claims
  4. Mupirocin24 claims
  5. Clotrimazole23 claims
  6. Ofloxacin22 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: $380.11

19 payments; by number, the most common kind was food and beverage; the largest payer was GlaxoSmithKline, LLC. The 6,429 providers of this specialty with any payment received $1,922.50 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. David Yun$380.11
  2. Specialty average$1,922.50

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Ent Surgical AssociatesGlendale, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

David K. Yun among 1,212 otolaryngology physician records in California

David K. Yun, MD is one of 1,212 otolaryngology physician records with a practice address in California. 80% 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 · 80% of these records are
  • In the CMS Doctors and Clinicians fileYes · 67% of these records are
  • Graduated2000 · median 2004 among the 818 with a school on file
  • Record last updated2013 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Y00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology Physician providers in California

There are 1,212 otolaryngology physician records in California.

The 8 otolaryngology physician records with the nearest ZIP codes

  1. Sarah Carroll, M.D.Glendale, CA 912061962608281
  2. Hrair Koutnouyan, MDGlendale, CA 912061063499937
  3. Eric Yavrouian, M. D.Glendale, CA 912061194054015
  4. Artine Kokshanian, M.D.Glendale, CA 912051336116862
  5. Susan Chobanian, M.D.Glendale, CA 912041144402405
  6. David Cohen, MDPasadena, CA 911881679862502
  7. Harmon Schwartz, MDPasadena, CA 911071720172323
  8. Karen Peterson, MDPasadena, CA 911061518970235

Common questions

What is David K. Yun, MD's NPI number?

David K. Yun, MD's National Provider Identifier (NPI) is 1932186459, issued on Dec 27, 2005. An NPI identifies a provider in billing; it is not a license.

Where is David K. Yun, MD located?

The NPPES record lists a practice address at 1505 Wilson Ter, Glendale, CA, 91206. Phone: (818) 241-2101. Providers update this record themselves, so call before visiting.

How can I verify David K. Yun, MD's license?

NPPES lists California license number A89415, 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 David K. Yun, MD prescribe under Medicare Part D?

In 2024, David K. Yun, MD had 307 Medicare Part D claims for 183 beneficiaries; the average among otolaryngology physician prescribers was 541. 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.