Doctor profile · Federal record

Dr. David Landau, MD

Gastroenterology Physician · Hazelwood, MO

  • NPI 1861485476
  • 21 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
100 Village Sq
Hazelwood, MO 630421820
(314) 355-4010
fax (314) 355-9484
Mailing address
Po Box 23340
Saint Louis, MO 631563340

Credentials & registration

NPPES · NUCC
NPI registered
August 2005 — 21 yrs on file
Profile last updated
February 13, 2017
Specialty taxonomy
207RG0100X — NUCC code
State license (1)
Missouri #R8628

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861485476. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$127
Transactions
5
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Neurocrine Biosciences, Inc. 4 $103.27
IRONSHORE PHARMACEUTICALS INC. 1 $23.93

By nature of payment

Food and Beverage
$127

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
46
Patients
0
Total drug cost
$703
Drug Type Claims Patients Total cost
Trazodone Hcl Generic 20 0 $259
Risperidone Generic 14 0 $109
Quetiapine Fumarate Generic 12 0 $334

Frequently asked questions

Auto-generated from federal data
What is Dr. David Landau's medical specialty?
Dr. David Landau practices Gastroenterology Physician in Hazelwood, MO.
Where does Dr. David Landau practice?
Dr. David Landau practices at 100 Village Sq, Hazelwood, MO 630421820. Office phone: 3143554010.
What is Dr. David Landau's NPI?
Dr. David Landau's National Provider Identifier (NPI) is 1861485476, issued by NPPES.