Mu Zhang, D.O.
Optometrist · Sunnyvale, CA
Mu Zhang, D.O. is an optometrist with a practice address in Sunnyvale, California, and NPI 1871895524, issued on Dec 1, 2010. Check the license (California 14581, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mu Zhang
- Credential
- D.O.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 14581 CA
Self-reported in NPPES; status is on the state search - Practice location
- 196 Barranca Ter, Sunnyvale, CA 94086
- Phone
- (626) 688-5616
- Enumerated
- Dec 1, 2010
- Record last updated
- Jun 7, 2022
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Mu Zhang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 14581Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average optometrist in 2024
22 Medicare Part D claims for 11 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 64% of claims.
Most prescribed
- Cyclosporine11 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: $96.48
1 payment: food and beverage; the largest payer was Johnson & Johnson Vision Care, Inc. The 34,453 providers of this specialty with any payment received $769.99 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.
Mu Zhang among 8,308 optometrist records in California
Mu Zhang, D.O. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2010, is newer than 59% of them.
- NPI issued2010 · 59% of these records are older, 39% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2022 · 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 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 optometrist records list a practice address in Sunnyvale
They are 43 of the 1,690 NPPES records with a practice address in Sunnyvale, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Sunnyvale → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Connie Chen, ODSunnyvale, CA 940861780293431
- Suhui Chi, O.D.Sunnyvale, CA 940861265645816
- David Folkers, O.D.Sunnyvale, CA 940861295917631
- Nicholas Froumis, O.D.Sunnyvale, CA 940861407911282
- Gary Gold, O. D.Sunnyvale, CA 940861316996150
- Joan Jen, O.D.Sunnyvale, CA 940861013069616
- Joyce Kim, O.DSunnyvale, CA 940861366411613
- Miae Kim, O.D.Sunnyvale, CA 940861417007915
Common questions
What is Mu Zhang, D.O.'s NPI number?
Mu Zhang, D.O.'s National Provider Identifier (NPI) is 1871895524, issued on Dec 1, 2010. An NPI identifies a provider in billing; it is not a license.
Where is Mu Zhang, D.O. located?
The NPPES record lists a practice address at 196 Barranca Ter, Sunnyvale, CA, 94086. Phone: (626) 688-5616. Providers update this record themselves, so call before visiting.
How can I verify Mu Zhang, D.O.'s license?
NPPES lists California license number 14581, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Mu Zhang, D.O. prescribe under Medicare Part D?
In 2024, Mu Zhang, D.O. had 22 Medicare Part D claims for 11 beneficiaries; the average among optometrist prescribers was 277. 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.