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LEONARD W LIANG MD A MEDICAL CORPORATION
NPI 1033323290
Specialist in Los Angeles, CA

Active since May 09, 2007
1513 S GRAND AVE, SUITE 300, LOS ANGELES, CA 90015(213) 749-0662(213) 748-7254 Get Directions Write a Review

NPPES record last updated: August 12, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Aug 12, 2025, Feb 9, 2016 (2 updates tracked since 2016).

About Leonard W Liang Md A Medical Corporation NPPES

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

LEONARD W LIANG MD A MEDICAL CORPORATION (NPI 1033323290) is a healthcare organization registered as a specialist in Los Angeles, California and active in the NPI registry since May 2007. The organization lists Leonard W. Liang, Ceo, as its authorized official.

NPPES Registry Identity

NPI1033323290
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameLEONARD W LIANG MD A MEDICAL CORPORATION
Location Address1513 S GRAND AVE, SUITE 300Los Angeles, CA 90015-3070
Mailing Address46 Via CapriRancho Palos Verdes, CA 90275-5372 · (213) 484-1140
Phone(213) 749-0662
Fax(213) 748-7254
Organization SubpartNo
Authorized OfficialLeonard W. LiangCeo · (213) 749-0662
Enumeration DateMay 9, 2007
Last NPPES UpdateAugust 12, 20252 updates tracked since enumeration
NPPES CertifiedAugust 12, 2025
✔ NPI 1033323290 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in CA · A66024
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
1513 S GRAND AVE, Los Angeles, CA 90015
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Other Providers at the Same Location NPPES 19

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

TAMARIND HOPPER CNM
Advanced Practice Midwife
1513 S GRAND AVE
LOS ANGELES, CA 90015
Los Angeles County (213) 746-1037
MICHAEL R MANUEL, MD, A PROFESSIONAL CORPORATION
Obstetrics & Gynecology (Gynecologic Oncology)
1513 S GRAND AVE, SUITE 400
LOS ANGELES, CA 90015
Los Angeles County (213) 400-8799
ELIZABETH AGUIRRE
Advanced Practice Midwife
1513 S GRAND AVE
LOS ANGELES, CA 90015
Los Angeles County (213) 747-5542
ERSNO EROMO MD, INC.
Orthopaedic Surgery
1513 S GRAND AVE
LOS ANGELES, CA 90015
Los Angeles County (310) 704-9880
DTLA PAIN SURGERY CENTER INC
Clinic/Center (Ambulatory Surgical)
1513 S GRAND AVE, SUITE 380
LOS ANGELES, CA 90015
Los Angeles County (949) 872-2633
DR. DAVID SAMIMI MD
Ophthalmology
1513 S GRAND AVE, STE 200
LOS ANGELES, CA 90015
Los Angeles County (213) 234-1000
DENNIS R. HOLMES, MD, INC
Surgery
1513 S GRAND AVE
LOS ANGELES, CA 90015
Los Angeles County (213) 742-5784
ARIEL MALAMUD, A MEDICAL CORPORATION
Internal Medicine (Gastroenterology)
1513 S GRAND AVE, SUITE 330
LOS ANGELES, CA 90015
Los Angeles County (213) 440-2040

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 Leonard W Liang MD A Medical Corporation's NPI number?

The NPI number for Leonard W Liang MD A Medical Corporation is 1033323290. It was assigned to this organization in the NPPES registry on May 9, 2007.

Where is Leonard W Liang MD A Medical Corporation located?

Leonard W Liang MD A Medical Corporation is located at 1513 S Grand Ave Suite 300, Los Angeles, CA 90015. The listed phone number is (213) 749-0662.

What is Leonard W Liang MD A Medical Corporation's specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for Leonard W Liang MD A Medical Corporation was last updated on August 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.