Doctor profile · Federal record

Dr. Toan Nguyen, MD

Internal Medicine Physician (CMS: Hospitalist) · Hospitalist Physician · Hospitalist Physician · Internal Medicine Physician · Houston, TX

  • NPI 1295118776
  • Accepts Medicare
  • 11 yrs in practice
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6550 Fannin St, Smith Tower, Suite 1001
Houston, TX 770302717
(281) 726-8656
fax (713) 793-7064

Credentials & registration

NPPES · NUCC
NPI registered
July 2015 — 11 yrs on file
Profile last updated
May 1, 2025
Year of graduation
2015 — 11 yrs since
Specialty taxonomy
207R00000X — NUCC code
State licenses (4)
Texas #S1472 · Nebraska #30725 · Iowa #,D-45359 · Nebraska #7453

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1295118776. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
913
Distinct HCPCS
5
Medicare allowed
$111,194
HCPCS Description Services Patients Avg allowed
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 605 197 $120
99239 Hospital discharge day management, more than 30 minutes 141 136 $115
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 83 83 $176
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 66 38 $80
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 18 18 $132

In context: peer comparison

Among 393 peers in this city , average services per provider: 127. This provider delivers 7.2× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$45
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Ethicon US, LLC 1 $44.80

By nature of payment

Food and Beverage
$45

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
99
Patients
67
Total drug cost
$12,818
Drug Type Claims Patients Total cost
Eliquis (Apixaban) Brand 21 14 $12,012
Prednisone Generic 16 14 $82
Cefdinir Generic 13 13 $187
Levofloxacin Generic 13 13 $76
Pantoprazole Sodium Generic 13 13 $97
Doxycycline Hyclate Generic 12 0 $194
Clopidogrel (Clopidogrel Bisulfate) Brand 11 0 $171

Frequently asked questions

Auto-generated from federal data
What is Dr. Toan Nguyen's medical specialty?
Dr. Toan Nguyen practices Internal Medicine Physician in Houston, TX.
Where does Dr. Toan Nguyen practice?
Dr. Toan Nguyen practices at 6550 Fannin St, Houston, TX 770302717. Office phone: 2817268656.
What is Dr. Toan Nguyen's NPI?
Dr. Toan Nguyen's National Provider Identifier (NPI) is 1295118776, issued by NPPES.
Does Dr. Toan Nguyen accept Medicare assignment?
Yes. Dr. Toan Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Toan Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Initial hospital care with moderate level of medical decision making (HCPCS 99223). Source: CMS Medicare Physician & Other Practitioners file.