Doctor profile · Federal record

Dr. Ann Nguyen, M.D.

Hospice and Palliative Medicine (Internal Medicine) Physician (CMS: Hospice/Palliative Care) · Hospice and Palliative Medicine (Family Medicine) Physician · Dallas, TX

  • NPI 1225323694
  • Accepts Medicare
  • 15 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
3500 Gaston Ave
Dallas, TX 752462017
(214) 820-9248
Mailing address
3600 Gaston Ave, Barnett Tower, Ste. 605
Dallas, TX 75246

Credentials & registration

NPPES · NUCC
NPI registered
June 2011 — 15 yrs on file
Profile last updated
March 25, 2022
Year of graduation
2011 — 15 yrs since
Specialty taxonomy
207RH0002X — NUCC code
State license (1)
Texas #Q2474

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1225323694. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
421
Distinct HCPCS
5
Medicare allowed
$40,432
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 186 65 $76
99497 Advance care planning, first 30 minutes 80 58 $73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 75 44 $114
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 46 44 $167
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 34 30 $125

In context: peer comparison

Among 13 peers in this city , average services per provider: 74. This provider delivers 5.7× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
61
Patients
12
Total drug cost
$2,556
Drug Type Claims Patients Total cost
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 22 12 $474
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 17 0 $953
Fentanyl Generic 11 0 $1,071
Tizanidine Hcl Generic 11 0 $58

Frequently asked questions

Auto-generated from federal data
What is Dr. Ann Nguyen's medical specialty?
Dr. Ann Nguyen practices Hospice and Palliative Medicine (Internal Medicine) Physician in Dallas, TX.
Where does Dr. Ann Nguyen practice?
Dr. Ann Nguyen practices at 3500 Gaston Ave, Dallas, TX 752462017. Office phone: 2148209248.
What is Dr. Ann Nguyen's NPI?
Dr. Ann Nguyen's National Provider Identifier (NPI) is 1225323694, issued by NPPES.
Does Dr. Ann Nguyen accept Medicare assignment?
Yes. Dr. Ann Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Ann Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Advance care planning (HCPCS 99497); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.