Doctor profile · Federal record

Dr. Alan Johnson, DDS

Dentist · O Fallon, MO

  • NPI 1417395674
  • 13 yrs on file
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
126 Triad Ctr W
O Fallon, MO 633667541
(636) 978-2226
fax (636) 281-1441

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Specialty taxonomy
122300000X — NUCC code
State license (1)
Missouri #2012015896

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1417395674. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$548
Transactions
6
Manufacturers
2
Payer (manufacturer) Industry Txns Amount
Ultradent Products Inc 5 $533.71
Hu-Friedy Mfg. Co., LLC 1 $14.24

By nature of payment

Gift
$526
Food and Beverage
$22

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
88
Patients
63
Total drug cost
$344
Drug Type Claims Patients Total cost
Amoxicillin Generic 33 27 $73
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 28 24 $137
Chlorhexidine Gluconate Generic 14 12 $68
Clindamycin Hcl Generic 13 0 $66

Frequently asked questions

Auto-generated from federal data
What is Dr. Alan Johnson's medical specialty?
Dr. Alan Johnson practices Dentist in O Fallon, MO.
Where does Dr. Alan Johnson practice?
Dr. Alan Johnson practices at 126 Triad Ctr W, O Fallon, MO 633667541. Office phone: 6369782226.
What is Dr. Alan Johnson's NPI?
Dr. Alan Johnson's National Provider Identifier (NPI) is 1417395674, issued by NPPES.