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DR. THAO-PHUONG CHRISTY HALLETT M.D.
NPI 1316366644
Pediatrics - Pediatric Emergency Medicine in Nashville, TN

Active since April 15, 2014PECOS Enrolled
3601 THE VANDERBILT CLINIC, NASHVILLE, TN 37232(615) 322-3000 Get Directions Write a Review

NPPES record last updated: July 7, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 7, 2022, Oct 15, 2020, Jul 29, 2019 and 1 more (4 updates tracked since 2017).

About Dr. Thao-phuong Christy Hallett M.d. NPPES

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

DR. THAO-PHUONG CHRISTY HALLETT M.D. (NPI 1316366644) is an individual pediatric emergency medicine provider in Nashville, Tennessee, licensed in Tennessee (57473) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1316366644
Entity TypeIndividualFemale
Primary Taxonomy2080P0204X
Provider Legal NameDR. THAO-PHUONG CHRISTY HALLETTCredential: M.D.
Location Address3601 THE VANDERBILT CLINICNashville, TN 37232-4402
Mailing Address719 Thompson Ln Ste 30330Nashville, TN 37204-4701 · (615) 322-3000
Phone(615) 322-3000
Sole ProprietorNo
Enumeration DateApril 15, 2014
Last NPPES UpdateJuly 7, 20224 updates tracked since enumeration
NPPES CertifiedJuly 7, 2022
✔ NPI 1316366644 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
Licenses✔ Licensed in TN · 57473✔ Licensed in GA · 57473
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.
Also ListedPediatricsTaxonomy 208000000X · License R2610 (TX), 57473 (TN)
Also ListedHospitalistTaxonomy 208M00000X · License R2610 (TX)
3601 THE VANDERBILT CLINIC, Nashville, TN 37232
Open in Google Maps ↗

Other Identifiers 2

Other373717302TX · Cshcn
Medicaid373717301TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Thao-phuong Christy Hallett M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Reassignments

2

Medicare enrollment records show Thao-phuong Hallett reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Emory Medical Care Foundation Inc
215 mi
Internal Medicine
80 JESSE HILL JR DRIVE, EMCF
Atlanta, GA 30303
  • Reassigned Medicare billing, Georgia enrollment
  • 2,681 clinicians in this Medicare group
NPI 1063452381 (404) 778-7717
The Emory Clinic Inc
215 mi
Internal Medicine
1365 CLIFTON RD NE
Atlanta, GA 30322
  • Reassigned Medicare billing, Georgia enrollment
  • 4,840 clinicians in this Medicare group
NPI 1396798229 (404) 778-2144

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

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.

DR. ENGLISH FLACK MD
Pediatrics (Pediatric Cardiology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DANIEL K BARRETT APRN
Nurse Practitioner (Acute Care)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
JACQUELYN L. GARNER PNP
Nurse Practitioner (Pediatrics)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. ROBERT JAMES LENTZ M.D.
Internal Medicine (Pulmonary Disease)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
LYNN HOLLIDAY M.D.
Family Medicine
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000
DR. HEATHER KRETH PSY.D
Psychologist (Clinical Child & Adolescent)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
AARON WESLEY SCOTT APN
Nurse Practitioner
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 936-2000
DR. COLLEEN M KIERNAN M.D.
Surgery (Surgical Oncology)
3601 THE VANDERBILT CLINIC
NASHVILLE, TN 37232
Davidson County (615) 322-3000

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 Thao-phuong Hallett's NPI number?

The NPI number for Thao-phuong Hallett is 1316366644. It was assigned to this individual provider in the NPPES registry on April 15, 2014.

Where is Thao-phuong Hallett located?

Thao-phuong Hallett practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.

What is Thao-phuong Hallett's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Thao-phuong Hallett enrolled in Medicare?

Yes. Thao-phuong Hallett is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Thao-phuong Hallett's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Thao-phuong Hallett reassigns Medicare benefits to 2 organizations: Emory Medical Care Foundation Inc (Atlanta, GA) and The Emory Clinic Inc (Atlanta, GA). 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 Thao-phuong Hallett's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Thao-phuong Hallett accept?

Health plans from Oscar Health list Thao-phuong Hallett 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.

When was this NPI record last updated?

The NPPES record for Thao-phuong Hallett was last updated on July 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.