Nina H. Dao
Optometrist · San Juan Capistrano, CA
Nina H. Dao is an optometrist with a practice address in San Juan Capistrano, California, and NPI 1134200165, issued on Oct 17, 2006. Check the license (California 11797T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Nina H. Dao
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 11797T CA
Self-reported in NPPES; status is on the state search - Practice location
- 31401 Rancho Viejo RD, San Juan Capistrano, CA 92675
- Phone
- (949) 248-2590
- Enumerated
- Oct 17, 2006
- Record last updated
- Oct 7, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (949) 443-3828
- Medicare enrollment
- Enrolled (PECOS I20110222000182); accepts Medicare assignment
- Medical or professional school
- New England College Of Optometry, 2001
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 31401 Rancho Viejo RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Steve Dao, ODOptometrist1992784292
- Joseph Kikumoto, O.D.Optometrist1881791440
- Ryan Onishi, O.D.Optometrist1053487116
Verify Nina H. Dao in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 11797TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
51% fewer Medicare Part D claims than the average optometrist in 2024
135 Medicare Part D claims for 58 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.
Most prescribed
- Latanoprost56 claims
- Cyclosporine16 claims
- Timolol Maleate13 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.
Bills Medicare through one group practice
- Southern California Permanente Medical GroupSimi Valley, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Nina H. Dao among 8,308 optometrist records in California
Nina H. Dao 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2001 · median 2008 among the 3,573 with a school on file
- Record last updated2021 · 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).
9 optometrist records list a practice address in San Juan Capistrano
They are 9 of the 676 NPPES records with a practice address in San Juan Capistrano, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in San Juan Capistrano → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Michelle Ahumada, O.D.San Juan Capistrano, CA 926751750506549
- Steve Dao, ODSan Juan Capistrano, CA 926751992784292
- Joseph Heinrich, O.D.San Juan Capistrano, CA 926751275678435
- Donna Heinrich, O.D.San Juan Capistrano, CA 926751831681881
- Joseph Kikumoto, O.D.San Juan Capistrano, CA 926751881791440
- Yuki NakamuraSan Juan Capistrano, CA 926751881348175
- Ryan Onishi, O.D.San Juan Capistrano, CA 926751053487116
- Jimmy Quang, ODSan Juan Capistrano, CA 926751932655164
Common questions
What is Nina H. Dao's NPI number?
Nina H. Dao's National Provider Identifier (NPI) is 1134200165, issued on Oct 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Nina H. Dao located?
The NPPES record lists a practice address at 31401 Rancho Viejo RD, San Juan Capistrano, CA, 92675. Phone: (949) 248-2590. Providers update this record themselves, so call before visiting.
How can I verify Nina H. Dao's license?
NPPES lists California license number 11797T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Nina H. Dao prescribe under Medicare Part D?
In 2024, Nina H. Dao had 135 Medicare Part D claims for 58 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.