NPPES file of Aug 9, 2026

Bich Lan Nguyen, O.D.

Optometrist · Fontana, CA

Bich Lan Nguyen, O.D. is an optometrist with a practice address in Fontana, California, and NPI 1962810747, issued on Jul 24, 2014. Check the license (California 14966, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1962810747
Name
Bich Lan Nguyen
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
14966 CA
Self-reported in NPPES; status is on the state search
Practice location
17264 Foothill Blvd, Fontana, CA 92335
Phone
(909) 355-8883
Enumerated
Jul 24, 2014
Record last updated
Dec 6, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20151211002440); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2014
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 17264 Foothill Blvd

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Neelu Kohli, M.D.Emergency Medicine Physician1366645616
  2. Lilybeth Sistoza, MDInternal Medicine Physician1538172358

Verify Bich Lan Nguyen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 14966
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the California license search

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60% more Medicare Part D claims than the average optometrist in 2024

444 Medicare Part D claims for 138 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 52% of claims.

  1. Bich Lan Nguyen444
  2. Specialty average277

Most prescribed

  1. Cyclosporine214 claims
  2. Latanoprost144 claims
  3. Neomycin-Polymyxin-Dexameth25 claims
  4. Dorzolamide-Timolol17 claims
  5. Fluorometholone16 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.

Bills Medicare through one group practice

  1. Southern California Permanente Medical GroupRedlands, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Bich Lan Nguyen among 8,308 optometrist records in California

Bich Lan Nguyen, 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 2014, is newer than 68% of them.

  • NPI issued2014 · 68% of these records are older, 29% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2014 · median 2008 among the 3,573 with a school on file
  • Record last updated2021 · 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).

52 optometrist records list a practice address in Fontana

They are 52 of the 3,012 NPPES records with a practice address in Fontana, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Christopher Albaugh, ODFontana, CA 923351720155567
  2. Arlene Arcega, ODFontana, CA 923351093882839
  3. Gary Byers, ODFontana, CA 923351629145479
  4. Kelly Delange, ODFontana, CA 923351285701029
  5. Wendy Duncan, ODFontana, CA 923351538152145
  6. Michael Ferreri, ODFontana, CA 923351245307099
  7. Frank Grigsby, ODFontana, CA 923351902973746
  8. Gary Jacobson, ODFontana, CA 923351073680815

Common questions

What is Bich Lan Nguyen, O.D.'s NPI number?

Bich Lan Nguyen, O.D.'s National Provider Identifier (NPI) is 1962810747, issued on Jul 24, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Bich Lan Nguyen, O.D. located?

The NPPES record lists a practice address at 17264 Foothill Blvd, Fontana, CA, 92335. Phone: (909) 355-8883. Providers update this record themselves, so call before visiting.

How can I verify Bich Lan Nguyen, O.D.'s license?

NPPES lists California license number 14966, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Bich Lan Nguyen, O.D. prescribe under Medicare Part D?

In 2024, Bich Lan Nguyen, O.D. had 444 Medicare Part D claims for 138 beneficiaries; 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.