Doctor profile · Federal record
Dr. Lex Leonhardt, DO
Medical Oncology Physician (CMS: Internal Medicine) · Internal Medicine Physician · Student in an Organized Health Care Education/Training Program · Miamisburg, OH
- NPI 1386104024
- Accepts Medicare
- 7 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
2115 Leiter RD
Miamisburg, OH 453423600
(937) 384-6800
fax (937) 384-6938 - Additional location
-
33 W Rahn RD
Dayton, OH 454292219
(937) 433-8990
fax (937) 433-8691 - Additional location
-
3700 Southern Blvd Ste 401
Kettering, OH 454291265
(855) 500-2873 - Mailing address
-
1 Prestige Pl Ste 550
Miamisburg, OH 453426115
Credentials & registration
- NPI registered
- March 2019 — 7 yrs on file
- Profile last updated
- October 2, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 207RX0202X — NUCC code
- State license (1)
- Ohio #34.016074
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1386104024. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$783
Transactions
9
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| PFIZER INC. | 2 | $198.73 | |
| Amgen Inc. | 1 | $150.93 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $126.95 | |
| Tempus AI, Inc | 1 | $95.84 | |
| SOBI, INC | 1 | $84.18 | |
| Regeneron Healthcare Solutions, Inc. | 1 | $64.65 | |
| Aveo Pharmaceuticals, Inc. | 1 | $38.08 | |
| Merck Sharp & Dohme LLC | 1 | $24.13 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
79
Patients
28
Total drug cost
$2,213
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Prochlorperazine Maleate | Generic | 20 | 16 | $278 |
| Ondansetron Hcl | Generic | 18 | 12 | $537 |
| Anastrozole | Generic | 16 | 0 | $729 |
| Potassium Chloride | Generic | 13 | 0 | $460 |
| Acyclovir | Generic | 12 | 0 | $209 |
Hospital affiliations
Frequently asked questions
What is Dr. Lex Leonhardt's medical specialty?
Dr. Lex Leonhardt practices Medical Oncology Physician in Miamisburg, OH.
Where does Dr. Lex Leonhardt practice?
Dr. Lex Leonhardt practices at 2115 Leiter RD, Miamisburg, OH 453423600. Office phone: 9373846800.
What is Dr. Lex Leonhardt's NPI?
Dr. Lex Leonhardt's National Provider Identifier (NPI) is 1386104024, issued by NPPES.
Does Dr. Lex Leonhardt accept Medicare assignment?
Yes. Dr. Lex Leonhardt accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.