Internal Medicine, Gastroenterology · Manassas, VA
NPI
1154377497
Since 2006
Specialty
Internal Medicine, Gastroenterology
Code 207RG0100X
Group practices
2
Medicare group memberships
Hospitals
4
Hospital affiliations
8640 Sudley Rd Ste 201
Manassas, VA, 20110
Phone (703) 368-6819
Groups this clinician bills Medicare through
Medicare paid, 2024
$158K
6,837 services
Medicare patients, 2024
322
Average age 74
Drug cost, 2024
$96K
614 prescriptions
Company payments, 2025
$1,414
From 16 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Darren S Baroni was code J3380 (injection, vedolizumab, intravenous, 1 mg), 6,000 times for 14 patients. In total Darren S Baroni billed 6,837 services in 33 codes, and Medicare paid $158K.
| Code |
|---|
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2026-02-13.
| Setting |
|---|
| Services |
|---|
| Patients |
|---|
| Paid per service |
|---|
| Medicare paid |
|---|
| J3380 Injection, vedolizumab, intravenous, 1 mg | Office | 6,000 | 14 | $15.63 | $94K |
| 43239 Upper GI Endoscopy | Facility | 82 | 80 | $71.39 | $5,854 |
| 99214 Office E&M - Established | Office | 80 | 65 | $82.22 | $6,577 |
| 45380 Lower GI Endoscopy - Other | Facility | 60 | 60 | $143.37 | $8,602 |
| 99213 Office E&M - Established | Office | 49 | 41 | $58.69 | $2,876 |
| G0105 Colorectal cancer screening; colonoscopy on individual at high risk | Facility | 41 | 40 | $165.71 | $6,794 |
| 99204 Office E&M - New | Office | 40 | 40 | $114.50 | $4,580 |
| G0121 Colorectal cancer screening; colonoscopy on individual not meeting criteria for high risk | Facility | 19 | 18 | $152.67 | $2,901 |
| 45378 Lower GI Endoscopy - Other | Facility | 19 | 19 | $108.17 | $2,055 |
| 96365 Intravenous Infusion, Hydration | Office | 18 | 14 | $47.96 | $863 |
| 45385 Colonoscopy - Lesion Removal | Facility | 15 | 15 | $200.06 | $3,001 |
| 43249 Upper GI Endoscopy | Facility | 14 | 14 | $115.82 | $1,621 |
| 43450 Digestive/Gastrointestinal | Facility | 12 | 12 | $26.61 | $319 |
By year: 2022 $184K for 6,027 services; 2023 $155K for 5,457 services; 2024 $158K for 6,837 services.
Medicare prescription drug claims, 2024
In 2024, the drug Darren S Baroni prescribed most often to Medicare patients was Pantoprazole Sodium, with 86 prescriptions and refills. In total Darren S Baroni wrote 614 Medicare prescriptions that cost $96K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Pantoprazole Sodium Generic | 86 | 225 | 38 | $1,716 |
| Promethazine Hcl Generic | 63 | 65 | Under 11 | $3,870 |
| Linzess Linaclotide | 34 | 52 | 13 | $28K |
| Omeprazole Generic | 33 | 81 | 12 | $383 |
| Sutab Sod Sulf/Pot Chloride/Mag Sulf | 31 | 31 | 31 | $4,956 |
| Prochlorperazine Edisylate Generic | 27 | 27 | Under 11 | $6,233 |
| Diphenhydramine Hcl Generic | 21 | 21 | Under 11 | $1,604 |
| Famotidine Generic | 20 | 56 | Under 11 | $425 |
| Ondansetron Hcl Generic | 19 | 19 | Under 11 | $225 |
| Ondansetron Odt Ondansetron | 16 | 17 | Under 11 | $690 |
| Oxycodone Hcl Generic | 16 | 16 | Under 11 | $248 |
| Dexlansoprazole Dr Dexlansoprazole | 13 | 16 | Under 11 | $2,334 |
| Esomeprazole Magnesium Generic | 13 | 21 | Under 11 | $1,385 |
| Diphenoxylate-Atropine Diphenoxylate Hcl/Atropine | 13 | 13 | Under 11 | $209 |
| Mesalamine Generic | 13 | 17 | Under 11 | $6,426 |
Brand drugs: 107 claims; generic drugs: 507 claims; opioid claims: 37.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Darren S Baroni $1,414 ($1,414 in general payments such as food, travel and fees) from 16 companies. The largest payer was Janssen Biotech, Inc. with $337.
| Company | Payments | Amount |
|---|---|---|
| Janssen Biotech, Inc. JNJ | 8 | $337 |
| Abbvie Inc. ABBV | 8 | $252 |
| Madrigal Pharmaceuticals MDGL | 4 | $119 |
| Phathom Pharmaceuticals, Inc. PHAT | 1 | $101 |
| Ethicon US, LLC JNJ | 1 | $94.16 |
| Lilly USA, LLC LLY | 3 | $85.33 |
| Pfizer Inc. PFE | 3 | $83.48 |
| Takeda Pharmaceuticals U.S.A., Inc. TAK | 3 | $67.93 |
| Celltrion USA Inc. 068270.KS | 2 | $49.74 |
| Salix Pharmaceuticals, a division of Bausch Health US, LLC BHC | 2 | $48.28 |
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.