Theresa Nguyen, OD
Optometrist · Chula Vista, CA
Theresa Nguyen, OD is an optometrist with a practice address in Chula Vista, California, and NPI 1609555713, issued on Jul 17, 2023. Check the license (California 35530, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Theresa Nguyen
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 35530 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1741 Eastlake Pkwy Ste 101, Chula Vista, CA 91915
- Phone
- (619) 421-6600
- Enumerated
- Jul 17, 2023
- Record last updated
- Aug 31, 2023
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 1741 Eastlake Pkwy Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jenny Kim, ODOptometrist1497588362
- Mary King, O.D.Optometrist1578792107
Verify Theresa Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 35530Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
95% fewer Medicare Part D claims than the average optometrist in 2024
15 Medicare Part D claims, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 100% of claims.
Most prescribed
- Latanoprost14 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: $25.47
1 payment: food and beverage; the largest payer was Alcon Vision LLC. 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.
Theresa Nguyen among 8,308 optometrist records in California
Theresa Nguyen, 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 2023, is newer than 92% of them.
- NPI issued2023 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2023 · 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).
48 optometrist records list a practice address in Chula Vista
They are 48 of the 5,329 NPPES records with a practice address in Chula Vista, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Chula Vista → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jenny Kim, ODChula Vista, CA 919151497588362
- Mary King, O.D.Chula Vista, CA 919151578792107
- Kevin Tam, O.D.Chula Vista, CA 919151386027407
- Ethan Diep, O.D.Chula Vista, CA 919141639467467
- Tori Leon, ODChula Vista, CA 919141205509536
- Linda Lin, ODChula Vista, CA 919141508586348
- Justin Nguyen, ODChula Vista, CA 919141033721063
- Alyssa PackChula Vista, CA 919141750991220
Common questions
What is Theresa Nguyen, OD's NPI number?
Theresa Nguyen, OD's National Provider Identifier (NPI) is 1609555713, issued on Jul 17, 2023. An NPI identifies a provider in billing; it is not a license.
Where is Theresa Nguyen, OD located?
The NPPES record lists a practice address at 1741 Eastlake Pkwy Ste 101, Chula Vista, CA, 91915. Phone: (619) 421-6600. Providers update this record themselves, so call before visiting.
How can I verify Theresa Nguyen, OD's license?
NPPES lists California license number 35530, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Theresa Nguyen, OD prescribe under Medicare Part D?
In 2024, Theresa Nguyen, OD had 15 Medicare Part D claims; 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.