Filbert Nguyen, MD
Ophthalmology Physician · Woodland, CA
Filbert Nguyen, MD is an ophthalmology physician with a practice address in Woodland, California, and NPI 1437443983, issued on Jun 1, 2011. Check the license (California A155532, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Filbert Nguyen
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License numbers
- A155532 CA
2017021212 MO
BP10041526 TX
Self-reported in NPPES; status is on the state search - Practice location
- 1321 Cottonwood St Ste 202, Woodland, CA 95695
- Phone
- (530) 668-2600
- Enumerated
- Jun 1, 2011
- Record last updated
- Oct 30, 2018 (not updated in 8 years: call before relying on the address or phone)
- Fax
- (530) 668-9591
- Medicare enrollment
- Enrolled (PECOS I20180815003398); accepts Medicare assignment
- Medical or professional school
- University Of Oklahoma College Of Medicine, 2011
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 2,899 in California → Look up another NPI →
Also registered at 1321 Cottonwood St Ste 202
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joseph Huang, O.D.Optometrist1386673895
Verify Filbert Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A155532Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
22% more Medicare Part D claims than the average ophthalmology physician in 2024
1,859 Medicare Part D claims for 528 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 43% of claims.
Most prescribed
- Latanoprost822 claims
- Prednisolone Acetate244 claims
- Dorzolamide-Timolol187 claims
- Timolol Maleate149 claims
- Cyclosporine64 claims
- Lumigan57 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 MIPS final score for 2023 (Medicare payment program): 96.5 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,042.71
11 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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
- Dignity Health Medical FoundationWoodland, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Filbert Nguyen among 2,899 ophthalmology physician records in California
Filbert Nguyen, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 76% of them.
- NPI issued2011 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2011 · median 2001 among the 1,907 with a school on file
- Record last updated2018 · 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in California
There are 2,899 ophthalmology physician records in California.
All 2,899 in California → Every provider in Woodland → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Carmine Cammarosano, M.D.Woodland, CA 956951811913205
- Yilin Chu, M.D.Woodland, CA 956951659394179
- Jonathan Perlman, MDWoodland, CA 956951972510477
- Jonathan Diamant, MDVacaville, CA 956881649358474
- John Doyle, MDVacaville, CA 956881194803080
- Charles Huang, M.D.Vacaville, CA 956881023080355
- Ellen Kolarik, MDVacaville, CA 956881326110131
- Douglas Beernink, MDCameron Park, CA 956821992883656
Common questions
What is Filbert Nguyen, MD's NPI number?
Filbert Nguyen, MD's National Provider Identifier (NPI) is 1437443983, issued on Jun 1, 2011. An NPI identifies a provider in billing; it is not a license.
Where is Filbert Nguyen, MD located?
The NPPES record lists a practice address at 1321 Cottonwood St Ste 202, Woodland, CA, 95695. Phone: (530) 668-2600. Providers update this record themselves, so call before visiting.
How can I verify Filbert Nguyen, MD's license?
NPPES lists California license number A155532, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Filbert Nguyen, MD prescribe under Medicare Part D?
In 2024, Filbert Nguyen, MD had 1,859 Medicare Part D claims for 528 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Filbert Nguyen, MD's MIPS final score?
The 2023 MIPS final score is 96.5 of 100. 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.