LEIGH ECHOLS NGUYEN M.D.
NPI 1720009095
Internal Medicine in Los Angeles, CA
About Leigh Echols Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEIGH ECHOLS NGUYEN M.D. (NPI 1720009095) is an individual internal medicine provider in Los Angeles, California, licensed in California (C185788) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2001).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 4
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
Leigh Echols Nguyen 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
2Medicare enrollment records show Leigh Nguyen reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Los Angeles, CA 90034
- Reassigned Medicare billing, California enrollment
- 13,921 clinicians in this Medicare group
Fort Worth, TX 76107
- Reassigned Medicare billing, Texas enrollment
- 3,167 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 90034 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.
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 Leigh Nguyen's NPI number?
The NPI number for Leigh Nguyen is 1720009095. It was assigned to this individual provider in the NPPES registry on July 22, 2006.
Where is Leigh Nguyen located?
Leigh Nguyen practices at 5971 Venice Blvd, Los Angeles, CA 90034. The listed phone number is (323) 857-2000.
What is Leigh Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Leigh Nguyen enrolled in Medicare?
Yes. Leigh Nguyen 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 Leigh Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leigh Nguyen reassigns Medicare benefits to 2 organizations: Southern California Permanente Medical Group (Los Angeles, CA) and Healthtexas Provider Network (Fort Worth, TX). 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 Leigh Nguyen'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 Leigh Nguyen was last updated on May 7, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Leigh Echols Nguyen, M.D. · NPI 1720009095
Internal Medicine physician in Los Angeles, California. Individual provider, active in the CMS NPPES registry since July 22, 2006.
## Identity
- **NPI:** 1720009095 (Entity type: Individual)
- **Enumerated:** July 22, 2006
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** C185788 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 5971 VENICE BLVD, Los Angeles, CA 90034-1713
- **Phone:** (323) 857-2000
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Southern California Permanente Medical Group (NPI 1043242563, Los Angeles, CA); Healthtexas Provider Network (NPI 1992429161, Fort Worth, TX) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2001
## Record status
- **NPPES last updated:** May 7, 2024
- **Other identifiers:** Medicaid 173890802 (TX); Other 8R1956 (TX); Other P00281858 (TX); and 1 more
---
Source: [NPI Profile](https://npiprofile.com/npi/1720009095) · Data from the CMS NPPES public registry.