Doctor profile · Federal record

Dr. John Robert Keller, D.M.D.

Dentist · Alton, IL

  • NPI 1528406089
  • 13 yrs on file
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
4113 Humbert RD
Alton, IL 620027116
(618) 465-7777

Credentials & registration

NPPES · NUCC
NPI registered
June 2013 — 13 yrs on file
Specialty taxonomy
122300000X — NUCC code
State license (1)
Illinois #019029394

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1528406089. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$14
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Peter Brasseler Holdings, LLC 1 $13.71

By nature of payment

Food and Beverage
$14

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
110
Patients
88
Total drug cost
$312
Drug Type Claims Patients Total cost
Amoxicillin Generic 90 73 $241
Clindamycin Hcl Generic 20 15 $71

Frequently asked questions

Auto-generated from federal data
What is Dr. John Robert Keller's medical specialty?
Dr. John Robert Keller practices Dentist in Alton, IL.
Where does Dr. John Robert Keller practice?
Dr. John Robert Keller practices at 4113 Humbert RD, Alton, IL 620027116. Office phone: 6184657777.
What is Dr. John Robert Keller's NPI?
Dr. John Robert Keller's National Provider Identifier (NPI) is 1528406089, issued by NPPES.