Doctor profile · Federal record
Dr. Greg Harmston, MD
Family Medicine Physician (CMS: Family Practice) · Galena, IL
- NPI 1679549877
- Accepts Medicare
- MIPS 90.0 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1 Medical Center Dr
Galena, IL 610368118
(815) 777-1340 - Additional location
-
1120 Healthcare Dr
Mt Carroll, IL 610531461
(815) 244-4181
Credentials & registration
- NPI registered
- February 2006 — 20 yrs on file
- Profile last updated
- October 14, 2020
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036098377
- Medicaid
- IL #036098377
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679549877. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$831
Transactions
42
Manufacturers
11
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 14 | $300.28 | |
| Bayer Healthcare Pharmaceuticals Inc. | 4 | $78.82 | |
| Amgen Inc. | 4 | $77.81 | |
| Janssen Pharmaceuticals, Inc | 4 | $75.13 | |
| Merck Sharp & Dohme LLC | 3 | $62.65 | |
| Novo Nordisk Inc | 3 | $61.33 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $58.97 | |
| Lilly USA, LLC | 3 | $43.28 | |
| Xeris Pharmaceuticals, Inc. | 2 | $32.17 | |
| Mylan Specialty L.P. | 1 | $20.76 | |
| PFIZER INC. | 1 | $19.98 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
2,160
Patients
484
Total drug cost
$31,454
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 282 | 61 | $3,522 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 209 | 29 | $4,777 |
| Amlodipine Besylate | Generic | 187 | 35 | $1,364 |
| Omeprazole | Generic | 173 | 35 | $2,338 |
| Gabapentin | Generic | 146 | 26 | $3,643 |
| Metformin Hcl | Generic | 146 | 31 | $1,117 |
| Levothyroxine Sodium | Generic | 142 | 39 | $2,275 |
| Lisinopril | Generic | 132 | 40 | $1,043 |
| Pantoprazole Sodium | Generic | 128 | 24 | $1,150 |
| Furosemide | Generic | 112 | 23 | $595 |
Frequently asked questions
What is Dr. Greg Harmston's medical specialty?
Dr. Greg Harmston practices Family Medicine Physician in Galena, IL.
Where does Dr. Greg Harmston practice?
Dr. Greg Harmston practices at 1 Medical Center Dr, Galena, IL 610368118. Office phone: 8157771340.
What is Dr. Greg Harmston's NPI?
Dr. Greg Harmston's National Provider Identifier (NPI) is 1679549877, issued by NPPES.
Does Dr. Greg Harmston accept Medicare assignment?
Yes. Dr. Greg Harmston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.