Doctor profile · Federal record
Dr. Gregory Diamonti, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Hickory, NC
- NPI 1407810609
- Accepts Medicare
- MIPS 91.6 / 100 · 2023
- 30 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
415 N Center St, Suite 300
Hickory, NC 286015036
(828) 328-3300
fax (828) 328-9101
Credentials & registration
- NPI registered
- April 2006 — 20 yrs on file
- Profile last updated
- July 27, 2010
- Year of graduation
- 1996 — 30 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- North Carolina #2002-00021
- Medicaid
- NC #8913008
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1407810609. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
557
Distinct HCPCS
10
Medicare allowed
$80,177
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 133 | 130 | $81 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 132 | 131 | $241 | |
45380 |
Biopsy of large bowel using a flexible endoscope | 67 | 66 | $103 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 54 | 39 | $122 | |
G0105 |
Colorectal cancer screening; colonoscopy on individual at high risk | 33 | 33 | $175 | |
43235 |
Diagnostic exam of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 30 | 28 | $92 | |
43248 |
Insertion of guide wire with dilation of esophagus using a flexible endoscope | 22 | 22 | $136 | |
45378 |
Diagnostic exam of large bowel using a flexible endoscope | 20 | 20 | $170 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 20 | 20 | $160 | |
G0121 |
Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | 17 | 17 | $165 |
In context: peer comparison
Among 3 peers in Hickory Gastroenterology Physician, average services per provider: 61. This provider delivers 9.1× the peer median.Open Payments
Industry payments received
All-time total
$583
Transactions
16
Manufacturers
8
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 8 | $204.92 | |
| Phathom Pharmaceuticals, INC. | 1 | $118.09 | |
| Janssen Biotech, INC. | 1 | $81.12 | |
| Lilly USA, LLC | 1 | $74.64 | |
| Genzyme Corporation | 2 | $32.45 | |
| Takeda Pharmaceuticals U.S.A., INC. | 1 | $29.23 | |
| Celgene Corporation | 1 | $21.19 | |
| Intercept Pharmaceuticals, INC. | 1 | $21.15 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
190
Patients
40
Total drug cost
$18,550
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Pantoprazole Sodium | Generic | 74 | 29 | $614 |
| Dicyclomine Hcl | Generic | 26 | 0 | $371 |
| Omeprazole | Generic | 24 | 11 | $481 |
| Diphenoxylate-Atropine (Diphenoxylate Hcl/Atropine) | Brand | 23 | 0 | $226 |
| Linzess (Linaclotide) | Brand | 18 | 0 | $9,929 |
| Mesalamine | Generic | 14 | 0 | $6,774 |
| Ondansetron Hcl | Generic | 11 | 0 | $154 |
Hospital affiliations
Frequently asked questions
What is Dr. Gregory Diamonti's medical specialty?
Dr. Gregory Diamonti practices Gastroenterology Physician in Hickory, NC.
Where does Dr. Gregory Diamonti practice?
Dr. Gregory Diamonti practices at 415 N Center St, Hickory, NC 286015036. Office phone: 8283283300.
What is Dr. Gregory Diamonti's NPI?
Dr. Gregory Diamonti's National Provider Identifier (NPI) is 1407810609, issued by NPPES.
Does Dr. Gregory Diamonti accept Medicare assignment?
Yes. Dr. Gregory Diamonti accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Gregory Diamonti commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385); Biopsy of large bowel using a flexible endoscope (HCPCS 45380). Source: CMS Medicare Physician & Other Practitioners file.