Katherine Do, OD
Optometrist · Orange, CA
Katherine Do, OD is an optometrist with a practice address in Orange, California, and NPI 1598591919, issued on Sep 11, 2024. Check the license (California 35694-TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Katherine Do
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 35694-TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 363 S Main St Ste 325, Orange, CA 92868
- Phone
- (888) 501-4496
- Enumerated
- Sep 11, 2024
- Record last updated
- Sep 11, 2024
- Medicare enrollment
- Enrolled (PECOS I20241216003016); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2024
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 363 S Main St Ste 325
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Bao Chau Vu, ODOptometrist1710723630
Verify Katherine Do in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35694-TLGCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $102.66
4 payments; by number, the most common kind was food and beverage; the largest payer was Sun Pharmaceutical Industries 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.
Bills Medicare through one group practice
- Dan B Tran Medical CorporationOrange, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Katherine Do among 8,308 optometrist records in California
Katherine Do, OD 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 2024, is newer than 94% of them.
- NPI issued2024 · 94% of these records are older, 4% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2024 · median 2008 among the 3,573 with a school on file
- Record last updated2024 · 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).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Orange → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Allen Austin, O. D.Orange, CA 928681386638476
- Howard Austin, O.D.Orange, CA 928681932193018
- Hector Carrillo, ODOrange, CA 928681609587831
- Norman ChungOrange, CA 928681154958791
- Amanda Dawe, O.D.Orange, CA 928681659302198
- Carolyn Duong, ODOrange, CA 928681073878096
- Pamela Falk, ODOrange, CA 928681811989262
- Jay Kwok, O.D.Orange, CA 928681275783607
Common questions
What is Katherine Do, OD's NPI number?
Katherine Do, OD's National Provider Identifier (NPI) is 1598591919, issued on Sep 11, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Katherine Do, OD located?
The NPPES record lists a practice address at 363 S Main St Ste 325, Orange, CA, 92868. Phone: (888) 501-4496. Providers update this record themselves, so call before visiting.
How can I verify Katherine Do, OD's license?
NPPES lists California license number 35694-TLG, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity 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.