Doctor profile · Federal record

Dr. Thien Nguyen, D.O.

Family Medicine Physician (CMS: Family Practice) · Houston, TX

  • NPI 1841228970
  • Accepts Medicare
  • 26 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
2405 S Gessner RD, Suite B
Houston, TX 770632005
(713) 266-7673
fax (713) 266-4744

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
June 22, 2011
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
207Q00000X — NUCC code
State license (1)
Texas #L3413

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1841228970. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,123
Distinct HCPCS
10
Medicare allowed
$64,791
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 153 87 $128
80053 Blood test, comprehensive group of blood chemicals 142 109 $10
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 111 111 $131
80061 Blood test, lipids (cholesterol and triglycerides) 104 94 $13
85025 Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 102 87 $8
99213 Established patient office or other outpatient visit, 20-29 minutes 91 66 $92
84443 Blood test, thyroid stimulating hormone (tsh) 81 75 $16
83036 Hemoglobin a1c level 55 40 $10
G0103 Prostate cancer screening; prostate specific antigen test (psa) 26 26 $19
G0009 Administration of pneumococcal vaccine 22 22 $31

In context: peer comparison

Among 269 peers in this city , average services per provider: 131. This provider delivers 8.6× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$830
Transactions
47
Manufacturers
13
Payer (manufacturer) Industry Txns Amount
Novo Nordisk Inc 14 $199.06
AstraZeneca Pharmaceuticals LP 9 $162.19
PFIZER INC. 4 $95.52
ABBVIE INC. 3 $66.34
Salix Pharmaceuticals, a division of Bausch Health US, LLC 3 $55.64
Lilly USA, LLC 3 $53.26
Exact Sciences Corporation 2 $48.85
GlaxoSmithKline, LLC. 2 $32.20
Takeda Pharmaceuticals U.S.A., Inc. 2 $30.80
IDORSIA PHARMACEUTICALS US INC 2 $28.27
Inspire Medical Systems, Inc. 1 $24.57
EVOKE PHARMA, INC. 1 $17.93
Amgen Inc. 1 $15.02

By nature of payment

Food and Beverage
$830

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,139
Patients
660
Total drug cost
$183,396
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 351 108 $13,323
Amlodipine Besylate Generic 259 88 $1,898
Atorvastatin Calcium Generic 253 84 $3,195
Losartan Potassium Generic 167 52 $2,420
Gabapentin Generic 129 43 $2,903
Tramadol Hcl Generic 128 23 $486
Ozempic (Semaglutide) Brand 127 23 $146,355
Levothyroxine Sodium Generic 126 37 $2,223
Metformin Hcl Generic 121 45 $985
Lisinopril Generic 86 26 $647

Frequently asked questions

Auto-generated from federal data
What is Dr. Thien Nguyen's medical specialty?
Dr. Thien Nguyen practices Family Medicine Physician in Houston, TX.
Where does Dr. Thien Nguyen practice?
Dr. Thien Nguyen practices at 2405 S Gessner RD, Houston, TX 770632005. Office phone: 7132667673.
What is Dr. Thien Nguyen's NPI?
Dr. Thien Nguyen's National Provider Identifier (NPI) is 1841228970, issued by NPPES.
Does Dr. Thien Nguyen accept Medicare assignment?
Yes. Dr. Thien Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Thien Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Blood test, comprehensive group of blood chemicals (HCPCS 80053); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.