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MATTHEW LEONG
NPI 1679152730
Pathology - Clinical Pathology/Laboratory Medicine in Los Angeles, CA

Active since April 06, 2021PECOS Enrolled
116 N ROBERTSON BLVD STE 500, LOS ANGELES, CA 90048(310) 248-6241 Get Directions Write a Review

NPPES record last updated: August 31, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 31, 2026, Apr 6, 2021 (2 updates tracked since 2021).

About Matthew Leong NPPES

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

MATTHEW LEONG (NPI 1679152730) is an individual clinical pathology/laboratory medicine provider in Los Angeles, California, licensed in California (A193975) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS and maintains a secondary practice location in West Hollywood.

NPPES Registry Identity

NPI1679152730
Entity TypeIndividualMale
Primary Taxonomy207ZP0105X
Provider Legal NameMATTHEW LEONG
Location Address116 N ROBERTSON BLVD STE 500Los Angeles, CA 90048-3100
Mailing Address700 N San Vicente Blvd Ste G530West Hollywood, CA 90069-5060 · (310) 423-4612 · Fax (310) 423-0311
Phone(310) 248-6241
Sole ProprietorNo
Enumeration DateApril 6, 2021
Last NPPES UpdateAugust 31, 20262 updates tracked since enumeration
NPPES CertifiedAugust 31, 2026
✔ NPI 1679152730 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPathology · Clinical Pathology/Laboratory MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207ZP0105X
License✔ Licensed in CA · A193975
Definition
A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
116 N ROBERTSON BLVD STE 500, Los Angeles, CA 90048
Open in Google Maps ↗

Secondary Practice Location 1

Location 1700 N San Vicente Blvd Ste G530West Hollywood, CA 90069-5060 · Phone (310) 423-4612 · Fax (310) 423-0311

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Matthew Leong is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90048 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
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
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

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

YI MI REN MD
Pathology (Anatomic Pathology)
116 N ROBERTSON BLVD STE 500
LOS ANGELES, CA 90048
Los Angeles County (424) 308-3401

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 Matthew Leong's NPI number?

The NPI number for Matthew Leong is 1679152730. It was assigned to this individual provider in the NPPES registry on April 6, 2021.

Where is Matthew Leong located?

Matthew Leong practices at 116 N Robertson Blvd Ste 500, Los Angeles, CA 90048. The listed phone number is (310) 248-6241.

What is Matthew Leong's specialty?

The primary specialty registered for this NPI is Pathology, specializing in Clinical Pathology/Laboratory Medicine, with taxonomy code 207ZP0105X.

Is Matthew Leong enrolled in Medicare?

Yes. Matthew Leong is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Matthew Leong was last updated on August 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.