DR. JOHN THANH CONG NGUYEN M.D.
NPI 1346558632
Anesthesiology in Dallas, TX
About Dr. John Thanh Cong Nguyen M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOHN THANH CONG NGUYEN M.D. (NPI 1346558632) is an individual anesthesiology provider in Dallas, Texas, licensed in Texas (P8395) and active in the NPI registry since September 2010. He is enrolled in Medicare PECOS, is affiliated with Medical City Fort Worth, and maintains a secondary practice location in Dallas.
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. John Thanh Cong 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
10Medicare enrollment records show John Nguyen reassigns Medicare billing to 10 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Dallas, TX 75254
- Reassigned Medicare billing, Texas enrollment
- 165 clinicians in this Medicare group
Addison, TX 75001
- Reassigned Medicare billing, Texas enrollment
- 513 clinicians in this Medicare group
Dallas, TX 75201
- Reassigned Medicare billing, Texas enrollment
- 24 clinicians in this Medicare group
Mesquite, TX 75150
- Reassigned Medicare billing, Texas enrollment
- 110 clinicians in this Medicare group
Southlake, TX 76092
- Reassigned Medicare billing, Texas enrollment
- 447 clinicians in this Medicare group
Waxahachie, TX 75165
- Reassigned Medicare billing, Texas enrollment
- 234 clinicians in this Medicare group
Fort Worth, TX 76109
- Reassigned Medicare billing, Texas enrollment
- 1,612 clinicians in this Medicare group
Granbury, TX 76048
- Reassigned Medicare billing, Texas enrollment
- 123 clinicians in this Medicare group
San Antonio, TX 78240
- Reassigned Medicare billing, Texas enrollment
- 116 clinicians in this Medicare group
Corpus Christi, TX 78412
- Reassigned Medicare billing, Texas enrollment
- 740 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 2
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Medical City Fort Worth
Acute Care Hospitals · Fort Worth, TXMedical City Arlington
Acute Care Hospitals · Arlington, TXU S M D Hospital At Arlington L P
Acute Care Hospitals · Arlington, TXBaylor Medical Center At Trophy Club
Acute Care Hospitals · Trophy Club, TXMethodist Southlake Medical Center
Acute Care Hospitals · Southlake, TXMedicare 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.
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.
DALLAS, TX 75240
DALLAS, TX 75240
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 John Nguyen's NPI number?
The NPI number for John Nguyen is 1346558632. It was assigned to this individual provider in the NPPES registry on September 20, 2010.
Where is John Nguyen located?
John Nguyen practices at 6606 Lbj Fwy Ste 200, Dallas, TX 75240. The listed phone number is (972) 715-5000.
What is John Nguyen's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is John Nguyen enrolled in Medicare?
Yes. John 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 John Nguyen's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Nguyen reassigns Medicare benefits to 10 organizations: Valiant Anesthesia Associates, PLLC (Dallas, TX), Orthomed Staffing LLC (Addison, TX), Pax Healthcare Associates (Dallas, TX), Afterglow Anesthesia PLLC (Mesquite, TX), Texas Anesthesia Partners, PLLC (Southlake, TX) and 5 more organizations, listed in the Medicare section above. 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 John Nguyen's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Nguyen accept?
Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, Cigna Healthcare, Molina Healthcare and UnitedHealthcare list John 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 John Nguyen affiliated with any hospitals?
According to CMS data, John Nguyen is affiliated with Medical City Fort Worth, Medical City Arlington, U S M D Hospital At Arlington L P, Baylor Medical Center At Trophy Club and Methodist Southlake Medical Center.
When was this NPI record last updated?
The NPPES record for John Nguyen was last updated on June 10, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. John Thanh Cong Nguyen, M.D. · NPI 1346558632
Anesthesiology physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since September 20, 2010.
## Identity
- **NPI:** 1346558632 (Entity type: Individual)
- **Enumerated:** September 20, 2010
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** P8395 (Texas)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6606 LBJ FWY STE 200, Dallas, TX 75240-6524
- **Phone:** (972) 715-5000
## 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:** 10 organizations under Medicare reassignment (form CMS-855R): Valiant Anesthesia Associates, PLLC (NPI 1588906812, Dallas, TX); Orthomed Staffing LLC (NPI 1225514276, Addison, TX); Pax Healthcare Associates (NPI 1316759442, Dallas, TX); Afterglow Anesthesia PLLC (NPI 1558180083, Mesquite, TX); Texas Anesthesia Partners, PLLC (NPI 1144673468, Southlake, TX); and 5 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2010
## Record status
- **NPPES last updated:** June 10, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1346558632) · Data from the CMS NPPES public registry.