Doctor profile · Federal record
Dr. Gary Onady, MD, PHD
Internal Medicine Physician (CMS: Internal Medicine) · Pediatrics Physician · Trenton, OH
- NPI 1396792347
- Accepts Medicare
- 39 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
715 W State St
Trenton, OH 450679220
(513) 988-6067
fax (513) 988-6070 - Mailing address
-
3200 Burnet Ave
Cincinnati, OH 452293019
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- September 15, 2025
- Year of graduation
- 1987 — 39 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Ohio #35.057057
- Medicaid
- OH #0828519
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1396792347. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
374
Distinct HCPCS
6
Medicare allowed
$33,025
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 116 | 60 | $106 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 95 | 70 | $81 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 53 | 53 | $90 | |
83036 |
Hemoglobin a1c level | 38 | 27 | $10 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 36 | 36 | $160 | |
99212 |
Established patient office or other outpatient visit, 10-19 minutes | 36 | 31 | $58 |
In context: peer comparison
Among 1 peers in Trenton Internal Medicine Physician, average services per provider: 62. This provider delivers 6.0× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,622
Patients
490
Total drug cost
$145,397
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 234 | 76 | $2,981 |
| Levothyroxine Sodium | Generic | 154 | 41 | $2,354 |
| Amlodipine Besylate | Generic | 139 | 47 | $967 |
| Lisinopril | Generic | 136 | 44 | $917 |
| Gabapentin | Generic | 125 | 31 | $3,111 |
| Farxiga (Dapagliflozin Propanediol) | Brand | 121 | 27 | $125,339 |
| Omeprazole | Generic | 99 | 29 | $1,217 |
| Metformin Hcl | Generic | 90 | 32 | $629 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 88 | 27 | $2,848 |
| Simvastatin | Generic | 84 | 21 | $498 |
Hospital affiliations
Frequently asked questions
What is Dr. Gary Onady's medical specialty?
Dr. Gary Onady practices Internal Medicine Physician in Trenton, OH.
Where does Dr. Gary Onady practice?
Dr. Gary Onady practices at 715 W State St, Trenton, OH 450679220. Office phone: 5139886067.
What is Dr. Gary Onady's NPI?
Dr. Gary Onady's National Provider Identifier (NPI) is 1396792347, issued by NPPES.
Does Dr. Gary Onady accept Medicare assignment?
Yes. Dr. Gary Onady accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gary Onady commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439). Source: CMS Medicare Physician & Other Practitioners file.