L. ERIC LEUNG M.D., PC
NPI 1972835452
Clinic/Center - Ophthalmologic Surgery in San Francisco, CA

Active since February 08, 2010
929 CLAY ST, SUITE 503, SAN FRANCISCO, CA 94108(415) 986-3215(415) 986-1118 Get Directions Write a Review

NPPES record last updated: February 9, 2010. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About L. Eric Leung M.d., Pc NPPES

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

L. ERIC LEUNG M.D., PC (NPI 1972835452) is a healthcare organization registered as an ophthalmologic surgery in San Francisco, California and active in the NPI registry since February 2010. The organization lists Lai-sung Eric Leung, President, as its authorized official.

NPPES Registry Identity

NPI1972835452
Entity TypeOrganization
Primary Taxonomy261QS0132X
Legal Business NameL. ERIC LEUNG M.D., A PROFESSIONAL CORPORATION
Location Address929 CLAY ST, SUITE 503San Francisco, CA 94108-1556
Mailing Address929 Clay St, Suite 503San Francisco, CA 94108-1556 · (415) 986-3215 · Fax (415) 986-1118
Fax(415) 986-1118
Organization SubpartNo
Authorized OfficialLai-sung Eric LeungPresident · (415) 986-3215
Enumeration DateFebruary 8, 2010
Last NPPES UpdateFebruary 9, 2010
✔ NPI 1972835452 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · Ophthalmologic SurgeryAmbulatory Health Care Facilities
Taxonomy Code261QS0132X
929 CLAY ST, San Francisco, CA 94108

Other Names 1

Other NameL. Eric Leung M.d., Pc

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

L. Eric Leung M.d., Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to L. Eric Leung M.D., PC, which bills Medicare for the services they deliver. Of these, 2 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Ophthalmology
NPI 1912101528
929 CLAY ST SUITE 503
San Francisco, CA 94108
(415) 986-3215
✔ PECOS✔ Accepts MedicareSame address
Ophthalmology
NPI 1316958440
929 CLAY ST SUITE 503
San Francisco, CA 94108
(415) 986-3215
✔ PECOS✔ Accepts MedicareSame address

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

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 L. Eric Leung M.D., A Professional Corporation's NPI number?

The NPI number for L. Eric Leung M.D., A Professional Corporation is 1972835452. It was assigned to this organization in the NPPES registry on February 8, 2010. The provider is also known as L. Eric Leung M.D., PC.

Where is L. Eric Leung M.D., A Professional Corporation located?

L. Eric Leung M.D., A Professional Corporation is located at 929 Clay St Suite 503, San Francisco, CA 94108. The listed phone number is (415) 986-3215.

What is L. Eric Leung M.D., A Professional Corporation's specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in Ophthalmologic Surgery, with taxonomy code 261QS0132X.

Is L. Eric Leung M.D., A Professional Corporation enrolled in Medicare?

Yes. L. Eric Leung M.D., A Professional Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through L. Eric Leung M.D., A Professional Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians, all in Ophthalmology, reassign their Medicare billing to L. Eric Leung M.D., A Professional Corporation. A 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 the clinician's services. Of these, 2 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for L. Eric Leung M.D., A Professional Corporation was last updated on February 9, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years 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.