Doctor profile · Federal record
Dr. Gregory Hardin, M.D.
Internal Medicine Physician (CMS: Internal Medicine) · Hospitalist Physician · Louisville, KY
- NPI 1457677213
- MIPS 93.4 / 100 · 2023
- 16 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
312 S 4Th St Ste 700
Louisville, KY 402023046
(502) 804-5495
fax (833) 563-1715
Credentials & registration
- NPI registered
- April 2010 — 16 yrs on file
- Profile last updated
- January 30, 2026
- Year of graduation
- 2010 — 16 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Kentucky #59143 · New York #271063
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1457677213. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
977
Distinct HCPCS
5
Medicare allowed
$109,619
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 469 | 174 | $92 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 219 | 187 | $138 | |
99239 |
Hospital discharge day management, more than 30 minutes | 162 | 154 | $134 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 78 | 32 | $59 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 49 | 49 | $202 |
In context: peer comparison
Among 150 peers in this city , average services per provider: 294. This provider delivers 3.3× the peer median.Open Payments
Industry payments received
All-time total
$26
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Penumbra, Inc. | 1 | $26.49 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
172
Patients
80
Total drug cost
$2,167
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 29 | 12 | $168 |
| Pantoprazole Sodium | Generic | 28 | 21 | $625 |
| Atorvastatin Calcium | Generic | 20 | 11 | $232 |
| Metoprolol Succinate | Generic | 18 | 0 | $393 |
| Furosemide | Generic | 15 | 12 | $118 |
| Torsemide | Generic | 14 | 0 | $218 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 13 | 13 | $99 |
| Clopidogrel (Clopidogrel Bisulfate) | Brand | 13 | 0 | $156 |
| Carvedilol | Generic | 11 | 0 | $121 |
| Prednisone | Generic | 11 | 11 | $37 |
Frequently asked questions
What is Dr. Gregory Hardin's medical specialty?
Dr. Gregory Hardin practices Internal Medicine Physician in Louisville, KY.
Where does Dr. Gregory Hardin practice?
Dr. Gregory Hardin practices at 312 S 4Th St Ste 700, Louisville, KY 402023046. Office phone: 5028045495.
What is Dr. Gregory Hardin's NPI?
Dr. Gregory Hardin's National Provider Identifier (NPI) is 1457677213, issued by NPPES.
Does Dr. Gregory Hardin accept Medicare assignment?
Dr. Gregory Hardin does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.
What procedures does Dr. Gregory Hardin commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239). Source: CMS Medicare Physician & Other Practitioners file.