Rosalynn H. Nguyen-Strongin, O.D.
Optometrist · Loma Linda, CA
Rosalynn H. Nguyen-Strongin, O.D. is an optometrist with a practice address in Loma Linda, California, and NPI 1619164175, issued on Sep 28, 2007. Check the license (California 13320TPA, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rosalynn H. Nguyen-Strongin
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13320TPA CA
Self-reported in NPPES; status is on the state search - Practice location
- 11370 Anderson St Ste 1800, Loma Linda, CA 92350
- Phone
- (909) 558-2154
- Enumerated
- Sep 28, 2007
- Record last updated
- Jan 27, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20071211000293); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 2007
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Rosalynn H. Nguyen-Strongin in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13320TPACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
4.4 times the Medicare Part D claims of the average optometrist in 2024
1,232 Medicare Part D claims for 307 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 44% of claims.
Most prescribed
- Latanoprost513 claims
- Timolol Maleate143 claims
- Restasis107 claims
- Cyclosporine92 claims
- Brimonidine Tartrate71 claims
- Dorzolamide-Timolol61 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $73.29
4 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas 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
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rosalynn H. Nguyen-Strongin among 8,308 optometrist records in California
Rosalynn H. Nguyen-Strongin, O.D. 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 2007, is newer than 34% of them.
- NPI issued2007 · 34% of these records are older, 46% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2007 · median 2008 among the 3,573 with a school on file
- Record last updated2015 · 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 Loma Linda → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kieth Burkart, O.D.Lake Arrowhead, CA 923521891706354
- Henry D'Antonio, O.D.Lake Arrowhead, CA 923521366558314
- Terry Clayville, O.D.Highland, CA 923461649354432
- Jan Cooper, O.D., F.A.A.O.Highland, CA 923461235294935
- Hieu Doan, O.D.Highland, CA 923461306132063
- Annessa DuLoma Linda, CA 923541366008633
- Sarah Ebrahim, ODHighland, CA 923461285472449
- James Espinosa, O.D.Highland, CA 923461396800231
Common questions
What is Rosalynn H. Nguyen-Strongin, O.D.'s NPI number?
Rosalynn H. Nguyen-Strongin, O.D.'s National Provider Identifier (NPI) is 1619164175, issued on Sep 28, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rosalynn H. Nguyen-Strongin, O.D. located?
The NPPES record lists a practice address at 11370 Anderson St Ste 1800, Loma Linda, CA, 92350. Phone: (909) 558-2154. Providers update this record themselves, so call before visiting.
How can I verify Rosalynn H. Nguyen-Strongin, O.D.'s license?
NPPES lists California license number 13320TPA, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Rosalynn H. Nguyen-Strongin, O.D. prescribe under Medicare Part D?
In 2024, Rosalynn H. Nguyen-Strongin, O.D. had 1,232 Medicare Part D claims for 307 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Rosalynn H. Nguyen-Strongin, O.D.'s MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.