Darren S. Baroni, MD
NPI 1154377497ActiveIndividual· Internal Medicine, Gastroenterology· Manassas, VA
Internal Medicine, Gastroenterology (MD) with Gastroenterology Associates VA, LLC and 1 other group, practicing in Manassas, Virginia. In 2024 Medicare paid $157,563 for 322 patients, and Part D covered 614 of their prescriptions, 83% of them generic. Janssen Biotech, Inc. was the largest of 16 companies reporting payments in 2025, $1,414 in all, mostly food and beverage. Lists Clinch Valley Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1154377497 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 26, 2006 |
| Last updated in NPPES | Feb 13, 2026 |
| Certified by provider | Feb 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 0101239560 | VA |
| Internal Medicine, Gastroenterology | 207RG0100X | MD9153 | HI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 322 |
|---|---|
| Services billed | 6,837 across 33 procedure codes |
| Paid by Medicare | $157,563 |
Part D prescriptions in 2024
| Prescriptions (claims) | 614 · 960 30-day fills |
|---|---|
| Patients | 168 |
| Total drug cost | $95,653 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1993 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Gastroenterology Associates VA, LLCWarrenton, VA · 51 clinicians
- Clinch Professional Physician Services LLCCedar Bluff, VA · 43 clinicians
Hospital affiliations
- Clinch Valley Medical CenterRichlands, VA
- Fauquier HospitalWarrenton, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
- Uva Health Prince William Medical CenterManassas, VA
Industry payments (Open Payments)
- 2025$1,414 · 43 payments from 16 companies
- 2024$1,093 · 37 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $336.88 | 8 |
| Abbvie Inc. | $251.54 | 8 |
| Madrigal Pharmaceuticals | $118.87 | 4 |
| Phathom Pharmaceuticals, Inc. | $100.50 | 1 |
| Ethicon US, LLC | $94.16 | 1 |
What the 2025 payments were for
- Food and Beverage$1,414 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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