TIM NGUYEN MD
NPI 1164493607
Internal Medicine in Sparks, NV
About Tim Nguyen Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TIM NGUYEN MD (NPI 1164493607) is an individual internal medicine provider in Sparks, Nevada, licensed in Nevada (11338) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Renown Regional Medical Center, and is a graduate of University Of Utah School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Tim Nguyen Md 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 Reassignment
Medicare enrollment records show Tim Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Sparks, NV 89436
- Reassigned Medicare billing, Nevada enrollment
- 164 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 17
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.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Renown Regional Medical Center
Acute Care Hospitals · Reno, NVNorthern Nevada Medical Center
Acute Care Hospitals · Sparks, NVRenown South Meadows Medical Center
Acute Care Hospitals · Reno, NVPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 89436 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 3
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 14
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 Tim Nguyen's NPI number?
The NPI number for Tim Nguyen is 1164493607. It was assigned to this individual provider in the NPPES registry on February 1, 2006.
Where is Tim Nguyen located?
Tim Nguyen practices at 1525 Los Altos Pkwy, Sparks, NV 89436. The listed phone number is (775) 982-5000.
What is Tim Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Tim Nguyen enrolled in Medicare?
Yes. Tim 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 organization bills Medicare for Tim Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tim Nguyen reassigns Medicare benefits to Hometown Health Management Company (Sparks, NV). The 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 Tim Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Tim Nguyen accept?
Health plans from Ambetter Health and Ambetter from Arizona Complete Health list Tim Nguyen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Tim Nguyen affiliated with any hospitals?
According to CMS data, Tim Nguyen is affiliated with Renown Regional Medical Center, Northern Nevada Medical Center and Renown South Meadows Medical Center.
When was this NPI record last updated?
The NPPES record for Tim Nguyen was last updated on May 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 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.