DR. AARON LAM O.D.
NPI 1740665546
Optometrist in West Covina, CA

Q: What is Aaron Lam's NPI number?

The NPI number for Aaron Lam is 1740665546. It was assigned to this individual provider in the NPPES registry on July 22, 2015.

Q: What is Aaron Lam's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Q: When was this NPI record last updated?

The NPPES record for Aaron Lam was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since July 22, 2015PECOS Enrolled

496 PLAZA DR, WEST COVINA, CA 91790(626) 233-0649 Get Directions Write a Review

NPPES record last updated: December 30, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

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About Dr. Aaron Lam O.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. AARON LAM O.D. (NPI 1740665546) is an individual optometrist in West Covina, California, licensed in California (15364) and active in the NPI registry since July 2015. He is enrolled in Medicare PECOS and is a graduate of Other (2015).

NPPES Registry Identity

NPI1740665546

Entity TypeIndividualMale

Primary Taxonomy152W00000X

Provider Legal NameDR. AARON LAMCredential: O.D.

Location Address496 PLAZA DRWest Covina, CA 91790-2854

Mailing Address6741 French Trotter DrEastvale, CA 92880-3927 · (626) 233-0649

Phone(626) 233-0649

Sole ProprietorYes

Medical School CMSOtherGraduated 2015

Enumeration DateJuly 22, 2015

Last NPPES UpdateDecember 30, 2025

NPPES CertifiedDecember 30, 2025

✔ NPI 1740665546 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOptometristEye and Vision Services Providers

Taxonomy Code152W00000X

License✔ Licensed in CA · 15364

Definition

Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.

496 PLAZA DR, West Covina, CA 91790

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Aaron Lam O.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4183109424

PECOS Enrollment IDI20260403001143

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Aaron Lam reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Lam Optometry, Inc

Same address

Optometrist

496 PLAZA DR
West Covina, CA 91790

Reassigned Medicare billing, California enrollment

NPI 1013867720 (626) 233-0649

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 91790 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$77.96 typical visit price

range $20.84 – $153.61

Typical copayment $19.49 (range $5.21 – $38.40)

Most-billed visit code 99213

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

EYEXAM OF CALIFORNIA

Health Maintenance Organization

496 PLAZA DR
WEST COVINA, CA 91790

Los Angeles County (626) 814-4681

LAM OPTOMETRY, INC

Optometrist

496 PLAZA DR
WEST COVINA, CA 91790

Los Angeles County (626) 233-0649

LUXOTTICA OF AMERICA INC.

Eyewear Supplier

496 PLAZA DR, PLAZA AT WEST COVINA
WEST COVINA, CA 91790

Los Angeles County (626) 814-4681

DR. LILLIAN E SARABIA O.D.

Optometrist

496 PLAZA DR
WEST COVINA, CA 91790

Los Angeles County (323) 420-5571

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Aaron Lam's NPI number?

The NPI number for Aaron Lam is 1740665546. It was assigned to this individual provider in the NPPES registry on July 22, 2015.

Where is Aaron Lam located?

Aaron Lam practices at 496 Plaza Dr, West Covina, CA 91790. The listed phone number is (626) 233-0649.

What is Aaron Lam's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

Is Aaron Lam enrolled in Medicare?

Yes. Aaron Lam is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Aaron Lam's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Aaron Lam reassigns Medicare benefits to Lam Optometry, Inc (West Covina, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Aaron Lam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Aaron Lam accept?

Health plans from Anthem Blue Cross and Blue Shield, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas and 1 other insurer list Aaron Lam as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Aaron Lam was last updated on December 30, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.