Yang Sun, MD
Glaucoma Specialist (Ophthalmology) Physician · Stanford, CA
Yang Sun, MD is a glaucoma specialist (ophthalmology) physician with a practice address in Stanford, California, and NPI 1215117296, issued on Nov 7, 2007. Check the license (California A96850, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yang Sun
- Credential
- MD
- Primary taxonomy
- Glaucoma Specialist (Ophthalmology) Physician 207WX0009X
- License numbers
- A96850 CA
01068759A IN
4301094206 MI
Self-reported in NPPES; status is on the state search - Practice location
- 300 Pasteur Dr, Stanford, CA 94305
- Phone
- (650) 723-4000
- Enumerated
- Nov 7, 2007
- Record last updated
- Mar 21, 2024
- Medicare enrollment
- Enrolled (PECOS I20161110002271); accepts Medicare assignment
- Medical or professional school
- Washington University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest glaucoma specialist (ophthalmology) physician records → All 70 in California → Look up another NPI →
Also registered at 300 Pasteur Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Yang Sun in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A96850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
47% fewer Medicare Part D claims than the average glaucoma specialist (ophthalmology) physician in 2024
1,632 Medicare Part D claims for 299 beneficiaries, against an average of 3,060 among the 430 providers of this specialty who prescribed in Part D. Brand-name drugs were 47% of claims.
Most prescribed
- Latanoprost691 claims
- Brimonidine Tartrate168 claims
- Dorzolamide-Timolol161 claims
- Timolol Maleate145 claims
- Dorzolamide Hcl51 claims
- Prednisolone Acetate43 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 practice group's MIPS final score for 2023 (Medicare payment program): 76.5 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $310.78
10 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. The 391 providers of this specialty with any payment received $5,284.60 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.
One hospital affiliation
- Stanford Health CarePalo Alto, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Yang Sun among 70 glaucoma specialist (ophthalmology) physician records in California
Yang Sun, MD is one of 70 glaucoma specialist (ophthalmology) physician records with a practice address in California. 97% 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 13% of them.
- NPI issued2007 · 13% of these records are older, 79% newer
- In a Medicare fileYes · 97% of these records are
- In the CMS Doctors and Clinicians fileYes · 93% of these records are
- Graduated2004 · median 2013 among the 65 with a school on file
- Record last updated2024 · 30% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0009X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Glaucoma Specialist (Ophthalmology) Physician providers in California
There are 70 glaucoma specialist (ophthalmology) physician records in California.
All 70 in California → Every provider in Stanford → Glaucoma Specialist (Ophthalmology) Physician nationwide →
The 8 glaucoma specialist (ophthalmology) physician records with the nearest ZIP codes
- Gala Beykin, MDStanford, CA 943051467084764
- Robert Chang, MDStanford, CA 943051417044280
- Jeffrey Goldberg, MDStanford, CA 943051417158114
- Alana Grajewski, MDStanford, CA 943051538187588
- Vikram Shankar, MDStanford, CA 943051891298634
- Sophia Wang, MDStanford, CA 943051255674461
- Anurag Shrivastava, MDPalo Alto, CA 943041760518823
- Kaileen Yeh, MDSan Francisco, CA 941151023542594
Common questions
What is Yang Sun, MD's NPI number?
Yang Sun, MD's National Provider Identifier (NPI) is 1215117296, issued on Nov 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Yang Sun, MD located?
The NPPES record lists a practice address at 300 Pasteur Dr, Stanford, CA, 94305. Phone: (650) 723-4000. Providers update this record themselves, so call before visiting.
How can I verify Yang Sun, MD's license?
NPPES lists California license number A96850, 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 Yang Sun, MD prescribe under Medicare Part D?
In 2024, Yang Sun, MD had 1,632 Medicare Part D claims for 299 beneficiaries; the average among glaucoma specialist (ophthalmology) physician prescribers was 3,060. Part D covers Medicare prescriptions only.
What is Yang Sun, MD's MIPS final score?
The 2023 MIPS final score is 76.5 of 100, reported for the practice group. 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.