NPPES file of Aug 9, 2026

Jon Luen Yang, M.D.

Ophthalmology Physician · San Francisco, CA

Jon Luen Yang, M.D. is an ophthalmology physician with a practice address in San Francisco, California, and NPI 1649417742, issued on Jan 11, 2009. Check the license (California A106461, 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 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649417742
Name
Jon Luen Yang
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A106461 CA
Self-reported in NPPES; status is on the state search
Practice location
929 Clay St, San Francisco, CA 94108
Phone
(415) 986-3239
Enumerated
Jan 11, 2009
Record last updated
Feb 17, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(415) 986-3260
Medicare enrollment
Enrolled (PECOS I20120628000251); accepts Medicare assignment
Medical or professional school
University Of California, San Francisco School Of Medicine, 2007
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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Also registered at 929 Clay St

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

  1. Mai-Sie Chan, MDInternal Medicine Physician1326136557
  2. Clifford Chang, O.D.Optometrist1558539007
  3. Clifford Chew, MDOtolaryngology Physician1215036066
  4. Raymond Fay, MDUrology Physician1003808338
  5. Gustin Ho, M.D.Internal Medicine Physician1437189966
  6. Wenwu Jin, M.D., PH.D.Urology Physician1003051780

Verify Jon Luen Yang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A106461
    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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2.5 times the Medicare Part D claims of the average ophthalmology physician in 2024

3,861 Medicare Part D claims for 934 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D.

  1. Jon Yang3,861
  2. Specialty average1,518

Most prescribed

  1. Latanoprost457 claims
  2. Azelastine Hcl371 claims
  3. Bacitracin-Polymyxin358 claims
  4. Timolol Maleate348 claims
  5. Brimonidine Tartrate220 claims
  6. Prednisolone Acetate219 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.

The MIPS final score for 2023 (Medicare payment program): 99.3 of 100

The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score88.6
  2. Costnot scored (reweighted)
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $38.63

2 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Jon Yang$38.63
  2. Specialty average$4,535.02

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

Jon Luen Yang among 2,899 ophthalmology physician records in California

Jon Luen Yang, M.D. is one of 2,899 ophthalmology 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 2009, is newer than 72% of them.

  • NPI issued2009 · 72% of these records are older, 26% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated2007 · median 2001 among the 1,907 with a school on file
  • Record last updated2012 · 67% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Lai-Sung Leung, MDSan Francisco, CA 941081316958440
  2. Michael Turan, M.D.San Francisco, CA 941081164468799
  3. Jennifer Yang, MDSan Francisco, CA 941081912101528
  4. David Yee, MDSan Francisco, CA 941081104991751
  5. Gabriel Aguilar, MDSan Francisco, CA 941091366544371
  6. Param Bhatter, MDSan Francisco, CA 941091992330021
  7. Ella Faktorovich, M.D.San Francisco, CA 941091013042266
  8. Georgia Kamboj, MBBS, PHDSan Francisco, CA 941091366946170

Common questions

What is Jon Luen Yang, M.D.'s NPI number?

Jon Luen Yang, M.D.'s National Provider Identifier (NPI) is 1649417742, issued on Jan 11, 2009. An NPI identifies a provider in billing; it is not a license.

Where is Jon Luen Yang, M.D. located?

The NPPES record lists a practice address at 929 Clay St, San Francisco, CA, 94108. Phone: (415) 986-3239. Providers update this record themselves, so call before visiting.

How can I verify Jon Luen Yang, M.D.'s license?

NPPES lists California license number A106461, 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 Jon Luen Yang, M.D. prescribe under Medicare Part D?

In 2024, Jon Luen Yang, M.D. had 3,861 Medicare Part D claims for 934 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Jon Luen Yang, M.D.'s MIPS final score?

The 2023 MIPS final score is 99.3 of 100. The average among 454,083 clinicians with a measured score was 83.5.

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.