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LESLEY J. LUK M.D.
NPI 1962539007
Otolaryngology in Torrance, CA

Active since February 27, 2007
4201 TORRANCE BLVD STE 390, TORRANCE, CA 90503(310) 540-0018(310) 540-4988 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jul 21, 2022, May 23, 2017 (2 updates tracked since 2017).

About Lesley J. Luk M.d. NPPES

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

LESLEY J. LUK M.D. (NPI 1962539007) is a healthcare organization registered as an otolaryngology in Torrance, California and active in the NPI registry since February 2007. The organization lists Lesley J Luk, President, as its authorized official.

NPPES Registry Identity

NPI1962539007
Entity TypeOrganization
Primary Taxonomy207Y00000X
Legal Business NameLESLEY J LUK MD INC
Location Address4201 TORRANCE BLVD STE 390Torrance, CA 90503-4541
Mailing AddressPo Box 3129Torrance, CA 90510-3129 · (310) 792-3914 · Fax (855) 898-4055
Phone(310) 540-0018
Fax(310) 540-4988
Organization SubpartNo
Authorized OfficialLesley J LukPresident · (310) 540-0018
Enumeration DateFebruary 27, 2007
Last NPPES UpdateJuly 21, 20222 updates tracked since enumeration
✔ NPI 1962539007 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOtolaryngologyAllopathic & Osteopathic Physicians
Taxonomy Code207Y00000X
Definition
An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
4201 TORRANCE BLVD STE 390, Torrance, CA 90503
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Other Names 1

Other NameLesley J. Luk M.d.

Other Identifiers 1

OtherW22278CA · Medicare

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Lesley J. Luk M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20080514000326Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Lesley J. Luk M.D., which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (2)

Lesley Luk, MD
Otolaryngology
NPI 1194800284
4201 TORRANCE BLVD SUITE 390
Torrance, CA 90503
(310) 540-0018
✔ PECOSSame address
Patricia Keane
Qualified Audiologist
NPI 1255401865
6221 WILSHIRE BLVD SUITE 517
Los Angeles, CA 90048
(213) 760-4437
16 mi

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 Lesley J Luk MD Inc's NPI number?

The NPI number for Lesley J Luk MD Inc is 1962539007. It was assigned to this organization in the NPPES registry on February 27, 2007. The provider is also known as Lesley J. Luk M.D..

Where is Lesley J Luk MD Inc located?

Lesley J Luk MD Inc is located at 4201 Torrance Blvd Ste 390, Torrance, CA 90503. The listed phone number is (310) 540-0018.

What is Lesley J Luk MD Inc's specialty?

The primary specialty registered for this NPI is Otolaryngology with taxonomy code 207Y00000X.

Is Lesley J Luk MD Inc enrolled in Medicare?

Yes. Lesley J Luk MD Inc is registered in the Medicare PECOS enrollment system.

When is Lesley J Luk MD Inc's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Lesley J Luk MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Lesley J Luk MD Inc, in Otolaryngology and Qualified Audiologist. 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, 1 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 Lesley J Luk MD Inc was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.