Yichieh Shiuey, M.D.
Ophthalmology Physician · Sunnyvale, CA
Yichieh Shiuey, M.D. is an ophthalmology physician with a practice address in Sunnyvale, California, and NPI 1508948993, issued on Oct 19, 2006. Check the license (California A70173, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Yichieh Shiuey
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- A70173 CA
Self-reported in NPPES; status is on the state search - Practice location
- 323-325 N Mathilda Ave, Sunnyvale, CA 94085
- Phone
- (408) 524-5900
- Enumerated
- Oct 19, 2006
- Record last updated
- Apr 13, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20080808000793); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 323-325 N Mathilda Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Elizabeth Snedden, M.D.Ophthalmology Physician1215013925
Verify Yichieh Shiuey in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A70173Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
50% more Medicare Part D claims than the average ophthalmology physician in 2024
2,280 Medicare Part D claims for 571 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.
Most prescribed
- Prednisolone Acetate511 claims
- Ketorolac Tromethamine344 claims
- Ofloxacin305 claims
- Erythromycin234 claims
- Doxycycline Hyclate204 claims
- Valacyclovir131 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: $175.84
2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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.
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
- Sutter Bay Medical FoundationSunnyvale, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Yichieh Shiuey among 2,899 ophthalmology physician records in California
Yichieh Shiuey, 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 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 45% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1994 · 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).
13 ophthalmology physician records list a practice address in Sunnyvale
They are 13 of the 1,690 NPPES records with a practice address in Sunnyvale, and 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Sunnyvale → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Jill Ackerman, MDSunnyvale, CA 940851760585228
- Barbara Erny, MDSunnyvale, CA 940851992803514
- Tanya Ghosh, MDSunnyvale, CA 940851417045600
- Jerry Lai, M.D.Sunnyvale, CA 940851720205917
- Karen Shih, M.D.Sunnyvale, CA 940851750565982
- Elizabeth Snedden, M.D.Sunnyvale, CA 940851215013925
- Carol Winton, MDSunnyvale, CA 940851891877106
- Anne Ziffer, MDSunnyvale, CA 940851922180140
Common questions
What is Yichieh Shiuey, M.D.'s NPI number?
Yichieh Shiuey, M.D.'s National Provider Identifier (NPI) is 1508948993, issued on Oct 19, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Yichieh Shiuey, M.D. located?
The NPPES record lists a practice address at 323-325 N Mathilda Ave, Sunnyvale, CA, 94085. Phone: (408) 524-5900. Providers update this record themselves, so call before visiting.
How can I verify Yichieh Shiuey, M.D.'s license?
NPPES lists California license number A70173, 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 Yichieh Shiuey, M.D. prescribe under Medicare Part D?
In 2024, Yichieh Shiuey, M.D. had 2,280 Medicare Part D claims for 571 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.