Doctor profile · Federal record
Dr. John Leonard, D.M.D
Dentist · Chicago, IL
- NPI 1447444641
- 19 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
326 S Marshfield Ave
Chicago, IL 606123212
(312) 942-0200
fax (312) 666-4640
Credentials & registration
- NPI registered
- August 2007 — 19 yrs on file
- Specialty taxonomy
- 122300000X — NUCC code
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447444641. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$24
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| BioHorizons Implant Systems INC. | 1 | $24.35 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
17
Patients
14
Total drug cost
$96
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin | Generic | 17 | 14 | $96 |
Frequently asked questions
What is Dr. John Leonard's medical specialty?
Dr. John Leonard practices Dentist in Chicago, IL.
Where does Dr. John Leonard practice?
Dr. John Leonard practices at 326 S Marshfield Ave, Chicago, IL 606123212. Office phone: 3129420200.
What is Dr. John Leonard's NPI?
Dr. John Leonard's National Provider Identifier (NPI) is 1447444641, issued by NPPES.