Doctor profile · Federal record

Dr. Gahntanuch Jiang, FNP-C

Family Nurse Practitioner · Registered Nurse · Saint Louis, MO

  • NPI 1992490908
  • 3 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
5000 Manchester Ave
Saint Louis, MO 631102012
(314) 747-5800
Additional location
1225 Graham RD Ste C-1320
Florissant, MO 630318020
(314) 953-6150
fax (314) 747-7834

Credentials & registration

NPPES · NUCC
NPI registered
April 2023 — 3 yrs on file
Profile last updated
September 15, 2025
Specialty taxonomy
363LF0000X — NUCC code
State licenses (2)
Missouri #2023004935 · Missouri #2017021507

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1992490908. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
108
Distinct HCPCS
4
Medicare allowed
$10,168
HCPCS Description Services Patients Avg allowed
99214 Established patient office or other outpatient visit, 30-39 minutes 59 54 $105
G0439 Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit 26 26 $106
G0008 Administration of influenza virus vaccine 12 12 $30
99213 Established patient office or other outpatient visit, 20-29 minutes 11 11 $74

In context: peer comparison

Among 146 peers in Saint Louis Family Nurse Practitioner, average services per provider: 97. This provider delivers 1.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$142
Transactions
5
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
Lilly USA, LLC 3 $90.30
Takeda Pharmaceuticals U.S.A., INC. 1 $30.23
AstraZeneca Pharmaceuticals Lp 1 $21.94

By nature of payment

Food and Beverage
$142

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
493
Patients
283
Total drug cost
$6,607
Drug Type Claims Patients Total cost
Amlodipine Besylate Generic 47 28 $341
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 46 30 $928
Atorvastatin Calcium Generic 46 29 $619
Gabapentin Generic 43 19 $552
Lisinopril Generic 38 26 $387
Fluticasone Propionate Generic 37 25 $502
Levothyroxine Sodium Generic 35 18 $358
Buspirone Hcl Generic 33 16 $711
Trazodone Hcl Generic 30 18 $300
Omeprazole Generic 29 18 $361

Frequently asked questions

Auto-generated from federal data
What is Dr. Gahntanuch Jiang's medical specialty?
Dr. Gahntanuch Jiang practices Family Nurse Practitioner in Saint Louis, MO.
Where does Dr. Gahntanuch Jiang practice?
Dr. Gahntanuch Jiang practices at 5000 Manchester Ave, Saint Louis, MO 631102012. Office phone: 3147475800.
What is Dr. Gahntanuch Jiang's NPI?
Dr. Gahntanuch Jiang's National Provider Identifier (NPI) is 1992490908, issued by NPPES.
What procedures does Dr. Gahntanuch Jiang commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Administration of influenza virus vaccine (HCPCS G0008). Source: CMS Medicare Physician & Other Practitioners file.