Cynthia Chiu, M.D.
Ophthalmology Physician · Oakland, CA
Cynthia Chiu, M.D. is an ophthalmology physician with a practice address in Oakland, California, and NPI 1306852629, issued on Jul 31, 2006. Check the license on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Cynthia Chiu
- Credential
- M.D.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- Practice location
- 491 30TH St, Oakland, CA 94609
- Phone
- (510) 836-2122
- Enumerated
- Jul 31, 2006
- Entity
- Type 1 · individual
Also registered at 491 30TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Christopher Dickens, M.D.Ophthalmology Physician1962560326
- Melanie Hom, M.D.Ophthalmology Physician1508944562
- Erich Horn, MDOphthalmology Physician1932205275
- Susan Link, ODOptometrist1942361712
- Robert Peralta, M.D.Ophthalmology Physician1588869143
- Timothy Sanders, ODOptometrist1235115718
Verify Cynthia Chiu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of CaliforniaCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
25% more Medicare Part D claims than the average ophthalmology physician in 2024
1,866 Medicare Part D claims for 459 beneficiaries, against an average of 1,490 among the 16,109 providers of this specialty who prescribed in Part D. Brand-name drugs were 45% of claims.
Most prescribed
- Latanoprost428 claims
- Prednisolone Acetate205 claims
- Ketorolac Tromethamine199 claims
- Moxifloxacin188 claims
- Timolol Maleate164 claims
- Cyclosporine99 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.
No measured Medicare quality score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,270.61
35 payments, mostly food and beverage; the largest payer was Alcon Vision LLC. The 12,922 providers of this specialty with any payment received $4,937.17 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.
Ophthalmology Physician providers in California
There are 2,888 ophthalmology physician records in California.
Other ophthalmology physician records in California
- Sam Abbassi, MD, MSWest Hills, CA1881937720
- Richard Abbott, M.D.San Francisco, CA1346276573
- Nizar Abdelfattah, MDPasadena, CA1801359393
- Parastou Abedi, MDAliso Viejo, CA1720067333
- Shahla Abedi, MDAliso Viejo, CA1467431072
- Lilit Ablabutyan, M.D.Glendale, CA1497013064
- Thomas Ableman, M.D.San Diego, CA1558415067
- Nathan Abraham, M.D.Valencia, CA1306224456
- James Abrams, M.D.San Bruno, CA1912903329
- Adam Abroms, MDWestlake Village, CA1497743702
Common questions
What is Cynthia Chiu, M.D.'s NPI number?
Cynthia Chiu, M.D.'s National Provider Identifier (NPI) is 1306852629, issued on Jul 31, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Cynthia Chiu, M.D. located?
The NPPES record lists a practice address at 491 30TH St, Oakland, CA, 94609. Phone: (510) 836-2122. Providers update this record themselves, so call before visiting.
How can I verify Cynthia Chiu, M.D.'s license?
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 Cynthia Chiu, M.D. prescribe under Medicare Part D?
In 2024, Cynthia Chiu, M.D. had 1,866 Medicare Part D claims for 459 beneficiaries; the average among ophthalmology physician prescribers was 1,490. Part D covers Medicare prescriptions only.
What is Cynthia Chiu, M.D.'s Medicare quality score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.