Internal Medicine, Gastroenterology · St Augustine, FL
NPI
1073575403
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
1
Medicare group memberships
Hospitals
4
Hospital affiliations
216 Southpark Cir E
St Augustine, FL, 32086
Phone (904) 824-6108
Groups this clinician bills Medicare through
Medicare paid, 2024
$191K
5,154 services
Medicare patients, 2024
699
Average age 74
Drug cost, 2024
$768K
1,715 prescriptions
Company payments, 2025
$2,377
From 18 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Daniel J Gassert was code 99214 (office e&m - established), 272 times for 199 patients. In total Daniel J Gassert billed 5,154 services in 49 codes, and Medicare paid $191K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-07-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| 99214 Office E&M - Established | Office | 272 | 199 | $87.09 | $24K |
| 43239 Upper GI Endoscopy | Facility | 221 | 212 | $61.69 | $14K |
| 45385 Colonoscopy - Lesion Removal | Facility | 197 | 197 | $203.94 | $40K |
| 99232 Hospital E&M - Subsequent | Facility | 194 | 94 | $61.26 | $12K |
| 99222 Hospital E&M - Initial | Facility | 82 | 81 | $95.90 | $7,864 |
| 99204 Office E&M - New | Office | 66 | 66 | $114.58 | $7,562 |
| 45380 Lower GI Endoscopy - Other | Facility | 51 | 51 | $96.30 | $4,911 |
| 99213 Office E&M - Established | Office | 47 | 46 | $63.41 | $2,980 |
| 99203 Office E&M - New | Office | 47 | 47 | $70.23 | $3,301 |
| 43450 Digestive/Gastrointestinal | Facility | 45 | 43 | $30.12 | $1,355 |
| 43249 Upper GI Endoscopy | Facility | 33 | 30 | $100.20 | $3,307 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 28 | 28 | $181.09 | $5,070 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 25 | 25 | $174.18 | $4,355 |
| J7050 Infusion, normal saline solution, 250 cc | Office | 12 | 11 | $0.52 | $6.21 |
By year: 2022 $267K for 8,664 services; 2023 $226K for 6,855 services; 2024 $191K for 5,154 services.
Medicare prescription drug claims, 2024
In 2024, the drug Daniel J Gassert prescribed most often to Medicare patients was Pantoprazole Sodium, with 359 prescriptions and refills. In total Daniel J Gassert wrote 1,715 Medicare prescriptions that cost $768K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 359 | 1,073 | 129 | $4,936 |
| Omeprazole Generic | 278 | 767 | 120 | $5,165 |
| Dicyclomine Hcl Generic | 112 | 191 | 38 | $2,446 |
| Famotidine Generic | 110 | 311 | 46 | $1,598 |
| Sucralfate Generic | 82 | 92 | 56 | $3,668 |
| Linzess Linaclotide | 69 | 151 | 21 | $78K |
| Rabeprazole Sodium Generic | 48 | 127 | 16 | $3,199 |
| Ondansetron Odt Ondansetron | 43 | 45 | 17 | $1,077 |
| Plenvu Peg3350/Sod Sul/Nacl/Kcl/Asb/C | 29 | 29 | 29 | $4,021 |
| Amoxicillin-Clavulanate Potass Amoxicillin/Potassium Clav | 27 | 27 | 23 | $248 |
| Lactulose Generic | 24 | 44 | 16 | $706 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 23 | 30 | Under 11 | $384 |
| Dexlansoprazole Dr Dexlansoprazole | 22 | 40 | Under 11 | $6,288 |
| Ondansetron Hcl Generic | 22 | 22 | Under 11 | $318 |
| Viberzi Eluxadoline | 22 | 28 | Under 11 | $44K |
Brand drugs: - claims; generic drugs: 1,413 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Daniel J Gassert $2,377 ($2,377 in general payments such as food, travel and fees) from 18 companies. The largest payer was Takeda Pharmaceuticals U.S.A., Inc. with $459.
| Company | Payments | Amount |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 24 | $459 |
| Abbvie Inc. ABBV | 21 | $456 |
| Janssen Biotech, Inc. JNJ | 14 | $234 |
| Madrigal Pharmaceuticals MDGL | 12 | $231 |
| Regeneron Healthcare Solutions, Inc. REGN | 4 | $171 |
| Lilly USA, LLC LLY | 8 | $152 |
| Genzyme Corporation SNY | 5 | $114 |
| QOL Medical, LLC | 4 | $98.46 |
| Phathom Pharmaceuticals, Inc. PHAT | 5 | $77.2 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 4 | $67.56 |
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.