DR. NGOC THANH TU NGUYEN MD
NPI 1396307492
Internal Medicine - Sleep Medicine in Kingsport, TN

Q: What is Ngoc Thanh Tu Nguyen's NPI number?

The NPI number for Ngoc Thanh Tu Nguyen is 1396307492. It was assigned to this individual provider in the NPPES registry on June 28, 2019. The provider is also known as Dr. Tu Nguyen MD.

Q: What is Ngoc Thanh Tu Nguyen's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Sleep Medicine, with taxonomy code 207RS0012X.

Active since June 28, 2019PECOS EnrolledAccepts Medicare Assignment

4 SHERIDAN SQ STE 200, KINGSPORT, TN 37660(423) 246-7931(423) 246-1906 Get Directions Write a Review

NPPES record last updated: December 12, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Dr. Ngoc Thanh Tu Nguyen Md NPPES

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

DR. NGOC THANH TU NGUYEN MD (NPI 1396307492) is an individual sleep medicine provider in Kingsport, Tennessee, licensed in Tennessee (74419) and active in the NPI registry since June 2019. She is enrolled in Medicare PECOS, is affiliated with Wellmont Holston Valley Medical Center, and is a graduate of Other (2015).

NPPES Registry Identity

NPI1396307492

Entity TypeIndividualFemale

Primary Taxonomy207RS0012X

Provider Legal NameDR. NGOC THANH TU NGUYENCredential: MD

Location Address4 SHERIDAN SQ STE 200Kingsport, TN 37660-7435

Mailing Address4 Sheridan Sq Ste 200Kingsport, TN 37660-7435 · (423) 246-7931 · Fax (423) 246-1906

Phone(423) 246-7931

Fax(423) 246-1906

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateJune 28, 2019

Last NPPES UpdateDecember 12, 2025

NPPES CertifiedDecember 12, 2025

✔ NPI 1396307492 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Sleep MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207RS0012X

License✔ Licensed in TN · 74419

Definition

An Internist who practices Sleep Medicine is certified in the subspecialty of sleep medicine and specializes in the clinical assessment, physiologic testing, diagnosis, management and prevention of sleep and circadian rhythm disorders. Sleep specialists treat patients of any age and use multidisciplinary approaches. Disorders managed by sleep specialists include, but are not limited to, sleep related breathing disorders, insomnia, hypersomnias, circadian rhythm sleep disorders, parasomnias and sleep related movement disorders.

Also ListedInternal MedicineTaxonomy 207R00000X · License 74419 (TN)

4 SHERIDAN SQ STE 200, Kingsport, TN 37660

Open in Google Maps ↗

Other Names 1

Other Name (5)Dr. Tu Nguyen Md

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter Health, Ambetter of Alabama and more.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. Ngoc Thanh Tu 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.

PECOS PAC ID2365854643

PECOS Enrollment IDI20251118004838

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Ngoc Thanh Tu Nguyen reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Medical Education Assistance Corporation

14 mi

Internal Medicine

101 MED TECH PKWY STE 306
Johnson City, TN 37604

Reassigned Medicare billing, Tennessee enrollment
341 clinicians in this Medicare group

NPI 1235180480 (423) 433-6039

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare 2

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Wellmont Holston Valley Medical Center

Acute Care Hospitals · Kingsport, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440017

Location130 West Ravine RoadKingsport, TN 37662 · Sullivan County

Emergency services

Indian Path Community Hospital

Acute Care Hospitals · Kingsport, TN

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number440176

Location2000 Brookside DrKingsport, TN 37660 · Sullivan County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 37660 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$121.80 typical visit price

range $52.64 – $160.89

Typical copayment $30.45 (range $13.16 – $40.22)

Most-billed visit code 99204

Established Patient

$93.60 typical visit price

range $16.72 – $131.41

Typical copayment $23.40 (range $4.18 – $32.85)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 17

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RABINDRA RAJ LAMICHHANE MD

Internal Medicine (Endocrinology, Diabetes & Metabolism)