Doctor profile · Federal record

Dr. Oanh Nguyen, M.D.

Internal Medicine Physician (CMS: Internal Medicine) · Dallas, TX

  • NPI 1730389263
  • Accepts Medicare
  • MIPS 85.5 / 100 · 2023
  • 19 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
5323 Harry Hines Blvd
Dallas, TX 753907201
(214) 645-8600
fax (214) 645-8601
Mailing address
Po Box 845347
Dallas, TX 752845347

Credentials & registration

NPPES · NUCC
NPI registered
July 2007 — 19 yrs on file
Profile last updated
June 21, 2013
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207R00000X — NUCC code
State license (1)
Texas #N6944

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1730389263. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
98
Distinct HCPCS
2
Medicare allowed
$10,549
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 24 $90
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 39 19 $135

In context: peer comparison

Among 289 peers in this city , average services per provider: 185. This provider delivers 0.5× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Oanh Nguyen's medical specialty?
Dr. Oanh Nguyen practices Internal Medicine Physician in Dallas, TX.
Where does Dr. Oanh Nguyen practice?
Dr. Oanh Nguyen practices at 5323 Harry Hines Blvd, Dallas, TX 753907201. Office phone: 2146458600.
What is Dr. Oanh Nguyen's NPI?
Dr. Oanh Nguyen's National Provider Identifier (NPI) is 1730389263, issued by NPPES.
Does Dr. Oanh Nguyen accept Medicare assignment?
Yes. Dr. Oanh Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Oanh Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.