Doctor profile · Federal record

Dr. DIEM-QUYNH NGUYEN, MD

Family Medicine Physician (CMS: FAMILY PRACTICE) · FORT SMITH, AR

  • NPI 1689171019
  • Accepts Medicare
  • 9 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
4620 TOWSON AVE
FORT SMITH, AR 729017961
(479) 573-3082
fax (479) 573-3100
Additional location
400 N Pepper Ave
Colton, CA 923241819
(407) 968-9706
Additional location
612 S 12th St
Fort Smith, AR 729014702
(479) 785-2431
Mailing address
PO BOX 776084
CHICAGO, IL 606776084

Credentials & registration

NPPES · NUCC
NPI registered
April 2018 — 8 yrs on file
Profile last updated
August 7, 2025
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Arkansas #E-14544

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1689171019. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
391
Distinct HCPCS
10
Medicare allowed
$26,824
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 59 35 $73
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 59 25 $107
99214 Established patient office or other outpatient visit, 30-39 minutes 43 37 $116
99231 Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes 39 15 $46
36415 Insertion of needle into vein for collection of blood sample 38 31 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 30 28 $82
99238 Hospital discharge day management, 30 minutes or less 30 29 $74
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 22 21 $160
80053 Blood test, comprehensive group of blood chemicals 19 19 $10
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 15 15 $8

In context: peer comparison

Among 25 peers in this city , average services per provider: 125. This provider delivers 3.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$125
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Gilead Sciences, Inc. 1 $124.97

By nature of payment

Food and Beverage
$125

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
81
Patients
0
Total drug cost
$158,382
Drug Type Claims Patients Total cost
Biktarvy (Bictegrav/Emtricit/Tenofov Ala) Brand 30 0 $119,179
Amlodipine Besylate Generic 15 0 $63
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 13 0 $258
Sertraline Hcl Generic 12 0 $95
Odefsey (Emtricitab/Rilpiviri/Tenof Ala) Brand 11 0 $38,786

Hospital affiliations

CMS Hospital Compare