NPPES file of Aug 9, 2026

Katherine C. Yung, M.D.

Otolaryngology/Facial Plastic Surgery Physician · San Francisco, CA

Katherine C. Yung, M.D. is an otolaryngology/facial plastic surgery physician with a practice address in San Francisco, California, and NPI 1508985243, issued on Mar 27, 2007. Check the license (California A102733, 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
1508985243
Name
Katherine C. Yung
Credential
M.D.
Primary taxonomy
Otolaryngology/Facial Plastic Surgery Physician 207YX0905X
License numbers
A102733 CA
BY9232389 MO
Self-reported in NPPES; status is on the state search
Practice location
2340 Clay St FL 5, San Francisco, CA 94115
Phone
(415) 600-0151
Enumerated
Mar 27, 2007
Record last updated
Jan 21, 2026
Medicare enrollment
Enrolled (PECOS I20080505000296); accepts Medicare assignment
Medical or professional school
Washington University School Of Medicine, 2003
Telehealth
Offers telehealth (CMS)
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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8 nearest otolaryngology/facial plastic surgery physician records → All 119 in California → Look up another NPI →

Also registered at 2340 Clay St FL 5

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

  1. William BuisFamily Nurse Practitioner1326544347
  2. Patrick CarpenterPlastic Surgery within the Head & Neck (Otolaryngology) Physician1154718179
  3. Lois Chen, MS, CCC-SLPSpeech-Language Pathologist1831680982
  4. Craig Eldridge, PA-CPhysician Assistant1366833840
  5. William Ryan, M.D.Plastic Surgery within the Head & Neck (Otolaryngology) Physician1184811549
  6. Jon Wender, MDOphthalmology Physician1588811509

Verify Katherine C. Yung in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A102733    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

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87% fewer Medicare Part D claims than the average otolaryngology/facial plastic surgery physician in 2024

74 Medicare Part D claims for 39 beneficiaries, against an average of 550 among the 650 providers of this specialty who prescribed in Part D.

  1. Katherine Yung74
  2. Specialty average550

Most prescribed

  1. Alprazolam12 claims
  2. Gabapentin11 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: $208.82

8 payments; by number, the most common kind was food and beverage; the largest payer was Grifols USA, LLC. The 515 providers of this specialty with any payment received $1,724.75 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Katherine Yung$208.82
  2. Specialty average$1,724.75

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. Sutter Bay Medical FoundationSan Francisco, CA

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

Katherine C. Yung among 119 otolaryngology/facial plastic surgery physician records in California

Katherine C. Yung, M.D. is one of 119 otolaryngology/facial plastic surgery physician records with a practice address in California. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 53% of them.

  • NPI issued2007 · 53% of these records are older, 31% newer
  • In a Medicare fileYes · 87% of these records are
  • In the CMS Doctors and Clinicians fileYes · 56% of these records are
  • Graduated2003 · median 1999 among the 67 with a school on file
  • Record last updated2026 · 66% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207YX0905X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Otolaryngology/Facial Plastic Surgery Physician providers in California

There are 119 otolaryngology/facial plastic surgery physician records in California.

All 119 in California → Every provider in San Francisco → Otolaryngology/Facial Plastic Surgery Physician nationwide →

The 8 otolaryngology/facial plastic surgery physician records with the nearest ZIP codes

  1. Jason Champagne, M.D.San Francisco, CA 941151821219270
  2. Aviva Fliker, MDSan Francisco, CA 941151609501733
  3. Grace Wu, MDSan Francisco, CA 941181427435700
  4. Raj DedhiaSan Francisco, CA 941091457767451
  5. Matthew Mingrone, MDSan Francisco, CA 941041912029919
  6. Lynn Chiu-Collins, MDSan Francisco, CA 941021679688238
  7. Kathryn Obana, MDMountain View, CA 940401942381785
  8. Umang Mehta, M.D.Atherton, CA 940271770781791

Common questions

What is Katherine C. Yung, M.D.'s NPI number?

Katherine C. Yung, M.D.'s National Provider Identifier (NPI) is 1508985243, issued on Mar 27, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Katherine C. Yung, M.D. located?

The NPPES record lists a practice address at 2340 Clay St FL 5, San Francisco, CA, 94115. Phone: (415) 600-0151. Providers update this record themselves, so call before visiting.

How can I verify Katherine C. Yung, M.D.'s license?

NPPES lists California license number A102733, 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 Katherine C. Yung, M.D. prescribe under Medicare Part D?

In 2024, Katherine C. Yung, M.D. had 74 Medicare Part D claims for 39 beneficiaries; the average among otolaryngology/facial plastic surgery physician prescribers was 550. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.