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BENJAMIN Y LEONG MD INC
NPI 1639497209
Surgery in Riverside, CA

Active since May 06, 2010
4000 14TH ST STE 412, RIVERSIDE, CA 92501(951) 468-8252 Get Directions Write a Review

NPPES record last updated: December 19, 2013. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Benjamin Y Leong Md Inc NPPES

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

BENJAMIN Y LEONG MD INC (NPI 1639497209) is a healthcare organization registered as a surgery in Riverside, California and active in the NPI registry since May 2010. The organization lists Benjamin Y Leong, President, as its authorized official.

NPPES Registry Identity

NPI1639497209
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameBENJAMIN Y LEONG MD INC
Location Address4000 14TH ST STE 412Riverside, CA 92501-4010
Mailing Address2083 Compton Ave Ste 103Corona, CA 92881-7288 · (951) 468-8252
Phone(951) 468-8252
Organization SubpartNo
Authorized OfficialBenjamin Y LeongPresident · (914) 275-6705
Enumeration DateMay 6, 2010
Last NPPES UpdateDecember 19, 2013
✔ NPI 1639497209 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
License✔ Licensed in CA · A106797
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
4000 14TH ST STE 412, Riverside, CA 92501
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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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Benjamin Y Leong Md Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Benjamin Y Leong MD Inc, which bills Medicare for the services this clinician delivers.

Clinician (1)

Benjamin Leong, M.D.
General Surgery
NPI 1629239165
3660 PARK SIERRA DR SUITE 105
Riverside, CA 92505
(951) 278-8870
✔ PECOS✔ Accepts Medicare7.2 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 Benjamin Y Leong MD Inc's NPI number?

The NPI number for Benjamin Y Leong MD Inc is 1639497209. It was assigned to this organization in the NPPES registry on May 6, 2010.

Where is Benjamin Y Leong MD Inc located?

Benjamin Y Leong MD Inc is located at 4000 14th St Ste 412, Riverside, CA 92501. The listed phone number is (951) 468-8252.

What is Benjamin Y Leong MD Inc's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Benjamin Y Leong MD Inc enrolled in Medicare?

Yes. Benjamin Y Leong MD Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Benjamin Y Leong MD Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (General Surgery) reassigns their Medicare billing to Benjamin Y Leong MD Inc. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Benjamin Y Leong MD Inc was last updated on December 19, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.