Herrick Duong, OD
Optometrist · San Diego, CA
Herrick Duong, OD is an optometrist with a practice address in San Diego, California, and NPI 1255959359, issued on Jul 6, 2020. Check the license (California 34520TLG, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Herrick Duong
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34520TLG CA
Self-reported in NPPES; status is on the state search - Practice location
- 3350 LA Jolla Village Dr # 112G, San Diego, CA 92161
- Phone
- (858) 552-8585
- Enumerated
- Jul 6, 2020
- Record last updated
- Aug 5, 2026
- Medicare enrollment
- Enrolled (PECOS I20220620001252); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 3350 LA Jolla Village Dr # 112G
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Mania Asadourian, ODStudent in an Organized Health Care Education/Training Program1982126389
- Benjamin Gilsdorf, O.D.Optometrist1982710661
- Theresa Luong, ODOptometrist1669020020
Verify Herrick Duong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34520TLGCheck 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: $2,434.52
21 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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 3 group practices
- Dr Julie Phan OD IncSan Bernardino, CA
- Maria Esther Salado, O.D., Inc.Montebello, CA
- Southern California Permanente Medical GroupRiverside, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Herrick Duong among 8,308 optometrist records in California
Herrick Duong, 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 2020, is newer than 84% of them.
- NPI issued2020 · 84% of these records are older, 14% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2020 · median 2008 among the 3,573 with a school on file
- Record last updated2026 · 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 San Diego → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Aileen Chang, ODSan Diego, CA 921611336436682
- Tina Chiou, O.D.San Diego, CA 921611750662730
- Benjamin Gilsdorf, O.D.San Diego, CA 921611982710661
- Courtney Hongo, ODSan Diego, CA 921611235786633
- Brooke Kirby, O.D., PH.D.San Diego, CA 921611760426928
- Theresa Luong, ODSan Diego, CA 921611669020020
- Andrew Ngo, O.D.San Diego, CA 921611245670249
- Therese Anne Vy-Phuc Nguyen, O.D.San Diego, CA 921611699084442
Common questions
What is Herrick Duong, OD's NPI number?
Herrick Duong, OD's National Provider Identifier (NPI) is 1255959359, issued on Jul 6, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Herrick Duong, OD located?
The NPPES record lists a practice address at 3350 LA Jolla Village Dr # 112G, San Diego, CA, 92161. Phone: (858) 552-8585. Providers update this record themselves, so call before visiting.
How can I verify Herrick Duong, OD's license?
NPPES lists California license number 34520TLG, 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.