Bernice Sy-En Lim Lam, O.D.
Optometrist · Los Alamitos, CA
Bernice Sy-En Lim Lam, O.D. is an optometrist with a practice address in Los Alamitos, California, and NPI 1487882502, issued on Jun 26, 2009. Check the license (California 13712, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Bernice Sy-En Lim Lam
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13712 CA
Self-reported in NPPES; status is on the state search - Practice location
- 3801 Katella Ave, Los Alamitos, CA 90720
- Phone
- (562) 598-7728
- Enumerated
- Jun 26, 2009
- Record last updated
- Mar 27, 2014 (not updated in 12 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 3801 Katella Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Bernice Sy-En Lim Lam in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 13712Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
61% fewer Medicare Part D claims than the average optometrist in 2024
109 Medicare Part D claims for 60 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 32% of claims.
Most prescribed
- Erythromycin33 claims
- Latanoprost20 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: $24.57
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.
Bernice Sy-En Lim Lam among 8,308 optometrist records in California
Bernice Sy-En Lim Lam, 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 2009, is newer than 57% of them.
- NPI issued2009 · 57% of these records are older, 41% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2014 · 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 Los Alamitos → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Gary Asano, ODLos Alamitos, CA 907201417950924
- Mitch Bovy, O.D.Los Alamitos, CA 907201215331269
- Anne Freeman, ODLos Alamitos, CA 907201568434728
- Richard Nelson, O.D.Los Alamitos, CA 907201518065689
- Lauren OgataLos Alamitos, CA 907201790312064
- Avani Patel, ODLos Alamitos, CA 907201831313808
- Regine Smet, O.D.Cypress, CA 907201669533386
- Andrew Thies, O.D.Los Alamitos, CA 907201891878781
Common questions
What is Bernice Sy-En Lim Lam, O.D.'s NPI number?
Bernice Sy-En Lim Lam, O.D.'s National Provider Identifier (NPI) is 1487882502, issued on Jun 26, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Bernice Sy-En Lim Lam, O.D. located?
The NPPES record lists a practice address at 3801 Katella Ave, Los Alamitos, CA, 90720. Phone: (562) 598-7728. Providers update this record themselves, so call before visiting.
How can I verify Bernice Sy-En Lim Lam, O.D.'s license?
NPPES lists California license number 13712, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Bernice Sy-En Lim Lam, O.D. prescribe under Medicare Part D?
In 2024, Bernice Sy-En Lim Lam, O.D. had 109 Medicare Part D claims for 60 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.