Doctor profile · Federal record

Dr. Giao Vuong, M.D.

Gastroenterology Physician (CMS: Gastroenterology) · Student in an Organized Health Care Education/Training Program · Saint Louis, MO

  • NPI 1902034499
  • Accepts Medicare
  • 17 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
6400 Clayton RD Ste 216
Saint Louis, MO 631171850
(314) 646-7848
Additional location
3635 Vista Ave
Saint Louis, MO 631102539
(714) 856-1670
Mailing address
Po Box 955534
Saint Louis, MO 631952557

Credentials & registration

NPPES · NUCC
NPI registered
June 2009 — 17 yrs on file
Profile last updated
October 27, 2020
Year of graduation
2009 — 17 yrs since
Specialty taxonomy
207RG0100X — NUCC code
State licenses (2)
Missouri #2013040817 · Missouri #2009016570

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1902034499. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
607
Distinct HCPCS
10
Medicare allowed
$69,296
HCPCS Description Services Patients Avg allowed
99232 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 125 79 $77
45380 Biopsy of large bowel using a flexible endoscope 88 88 $54
99214 Established patient office or other outpatient visit, 30-39 minutes 86 64 $123
45385 Removal of polyps or growths of large bowel using an endoscope with mechanical snare 74 74 $244
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 60 59 $71
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 47 46 $127
99223 Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 42 41 $169
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 35 22 $116
45381 Injection beneath lining of large bowel using a flexible endoscope 21 21 $15
G0105 Colorectal cancer screening; colonoscopy on individual at high risk 16 15 $155

In context: peer comparison

Among 42 peers in this city , average services per provider: 60. This provider delivers 10× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
662
Patients
206
Total drug cost
$45,147
Drug Type Claims Patients Total cost
Omeprazole Generic 112 42 $1,540
Pantoprazole Sodium Generic 104 36 $1,242
Famotidine Generic 88 36 $1,140
Esomeprazole Magnesium Generic 60 20 $2,773
Azathioprine Generic 49 0 $2,117
Gavilyte-G (Peg3350/Sod Sulf,bicarb,cl/Kcl) Brand 46 44 $778
Metoclopramide Hcl Generic 34 14 $162
Loperamide (Loperamide Hcl) Brand 30 0 $746
Ondansetron Hcl Generic 29 0 $331
Ondansetron Odt (Ondansetron) Brand 23 14 $1,217

Frequently asked questions

Auto-generated from federal data
What is Dr. Giao Vuong's medical specialty?
Dr. Giao Vuong practices Gastroenterology Physician in Saint Louis, MO.
Where does Dr. Giao Vuong practice?
Dr. Giao Vuong practices at 6400 Clayton RD Ste 216, Saint Louis, MO 631171850. Office phone: 3146467848.
What is Dr. Giao Vuong's NPI?
Dr. Giao Vuong's National Provider Identifier (NPI) is 1902034499, issued by NPPES.
Does Dr. Giao Vuong accept Medicare assignment?
Yes. Dr. Giao Vuong accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Giao Vuong commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Established patient office or other outpatient visit (HCPCS 99214). Source: CMS Medicare Physician & Other Practitioners file.