DR. BENJAMIN LEONG M.D.
NPI 1629239165
Surgery in Riverside, CA
About Dr. Benjamin Leong M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BENJAMIN LEONG M.D. (NPI 1629239165) is an individual surgery provider in Riverside, California, licensed in California (A106797) and active in the NPI registry since June 2008. He is enrolled in Medicare PECOS and is a graduate of Medical College Of Ohio (2003).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Benjamin Leong M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Benjamin Leong reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92501
- Reassigned Medicare billing, California enrollment
Wildomar, CA 92595
- Reassigned Medicare billing, California enrollment
- 13 clinicians in this Medicare group
Murrieta, CA 92563
- Reassigned Medicare billing, California enrollment
- 240 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 92505 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
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 Leong's NPI number?
The NPI number for Benjamin Leong is 1629239165. It was assigned to this individual provider in the NPPES registry on June 18, 2008.
Where is Benjamin Leong located?
Benjamin Leong practices at 3660 Park Sierra Dr Suite 105, Riverside, CA 92505. The listed phone number is (951) 278-8870.
What is Benjamin Leong's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Benjamin Leong enrolled in Medicare?
Yes. Benjamin Leong is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Benjamin Leong's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Leong reassigns Medicare benefits to 3 organizations: Benjamin Y Leong MD Inc (Riverside, CA), Inland Valley Trauma And Acute Care Surgery Apc Inc (Wildomar, CA) and United Medical Doctors (Murrieta, CA). Each 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 Benjamin Leong's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Benjamin Leong was last updated on May 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.
# Dr. Benjamin Leong, M.D. · NPI 1629239165
Surgery physician in Riverside, California. Individual provider, active in the CMS NPPES registry since June 18, 2008.
## Identity
- **NPI:** 1629239165 (Entity type: Individual)
- **Enumerated:** June 18, 2008
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** A106797 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 3660 PARK SIERRA DR, SUITE 105, Riverside, CA 92505-3071
- **Phone:** (951) 278-8870
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Benjamin Y Leong MD Inc (NPI 1639497209, Riverside, CA); Inland Valley Trauma And Acute Care Surgery Apc Inc (NPI 1417448168, Wildomar, CA); United Medical Doctors (NPI 1770559981, Murrieta, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Medical College Of Ohio, class of 2003
## Record status
- **NPPES last updated:** May 18, 2026
- **Other identifiers:** Medicaid 195917301 (TX); Other 8AN623 (TX); Other A106797 (CA)
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Source: [NPI Profile](https://npiprofile.com/npi/1629239165) · Data from the CMS NPPES public registry.