DR. KIM TO THIEN NGUYEN M.D.
NPI 1194005439
Internal Medicine in Chattanooga, TN
About Dr. Kim To Thien Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. KIM TO THIEN NGUYEN M.D. (NPI 1194005439) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (48793) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and maintains a secondary practice location in San Diego.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Kim To Thien 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 Reassignment
Medicare enrollment records show Kim Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 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 16
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.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNErlanger Medical Center
Acute Care Hospitals · Chattanooga, TNParkridge Medical Center
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37404 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHATTANOOGA, TN 37404
CHATTANOOGA, TN 37404
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 Kim Nguyen's NPI number?
The NPI number for Kim Nguyen is 1194005439. It was assigned to this individual provider in the NPPES registry on August 18, 2011.
Where is Kim Nguyen located?
Kim Nguyen practices at 605 Glenwood Dr Ste 404, Chattanooga, TN 37404. The listed phone number is (423) 629-7220.
What is Kim Nguyen's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Kim Nguyen enrolled in Medicare?
Yes. Kim 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 Kim Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Kim Nguyen reassigns Medicare benefits to Memorial Health Partners Foundation, Inc (Chattanooga, TN). 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 Kim Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Kim Nguyen accept?
Health plans from Alliant Health Plans, Inc. list Kim 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 Kim Nguyen affiliated with any hospitals?
According to CMS data, Kim Nguyen is affiliated with Memorial Healthcare System, Inc, Erlanger Medical Center and Parkridge Medical Center.
When was this NPI record last updated?
The NPPES record for Kim Nguyen was last updated on August 28, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.