Doctor profile · Federal record
Dr. Gregory Koo, MD
General Practice Physician (CMS: General Practice) · Specialist · Family Medicine Physician · Lexington, KY
- NPI 1205895943
- Accepts Medicare
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1401 Harrodsburg RD Ste B165
Lexington, KY 405041726
(859) 288-2425
fax (859) 288-7510 - Additional location
-
576 E Third St Ste 170
Lexington, KY 405082251 - Mailing address
-
Po Box 39597
Belfast, ME 049151249
Credentials & registration
- NPI registered
- March 2006 — 20 yrs on file
- Profile last updated
- July 15, 2025
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 208D00000X — NUCC code
- State license (1)
- Kentucky #33614
- Medicaid
- KY #64363146
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1205895943. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$167
Transactions
9
Manufacturers
7
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ABBVIE INC. | 1 | $31.38 | |
| Lilly USA, LLC | 2 | $29.28 | |
| GlaxoSmithKline, LLC. | 2 | $27.20 | |
| Ultragenyx Pharmaceutical Inc. | 1 | $20.84 | |
| Amgen Inc. | 1 | $20.66 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 1 | $19.01 | |
| Corcept Therapeutics | 1 | $19.01 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,872
Patients
779
Total drug cost
$229,525
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omega-3 Acid Ethyl Esters | Generic | 327 | 105 | $24,880 |
| Atorvastatin Calcium | Generic | 312 | 74 | $2,754 |
| Lisinopril | Generic | 251 | 64 | $2,017 |
| Amlodipine Besylate | Generic | 224 | 56 | $1,711 |
| Levothyroxine Sodium | Generic | 218 | 51 | $3,254 |
| Omeprazole | Generic | 214 | 56 | $2,677 |
| Tizanidine Hcl | Generic | 169 | 40 | $1,472 |
| Potassium Chloride | Generic | 165 | 49 | $3,454 |
| Metformin Hcl | Generic | 155 | 30 | $1,504 |
| Pantoprazole Sodium | Generic | 151 | 44 | $2,170 |
Frequently asked questions
What is Dr. Gregory Koo's medical specialty?
Dr. Gregory Koo practices General Practice Physician in Lexington, KY.
Where does Dr. Gregory Koo practice?
Dr. Gregory Koo practices at 1401 Harrodsburg RD Ste B165, Lexington, KY 405041726. Office phone: 8592882425.
What is Dr. Gregory Koo's NPI?
Dr. Gregory Koo's National Provider Identifier (NPI) is 1205895943, issued by NPPES.
Does Dr. Gregory Koo accept Medicare assignment?
Yes. Dr. Gregory Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.