Tinatin Khizanishvili O'Connell, M.D.
NPI 1720253503ActiveIndividual· Internal Medicine, Gastroenterology· Manassas, VA
Internal Medicine, Gastroenterology (M.D.) in Manassas, Virginia, trained at Virginia Commonwealth University, School of Medicine (class of 2006). In 2024 Medicare paid $179,544 for 307 patients, and Part D covered 325 of their prescriptions, 80% of them generic. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $266.85 in all, mostly food and beverage.
Overview
| NPI | 1720253503 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 23, 2008 |
| 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 | 0101251722 | VA |
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 | 307 |
|---|---|
| Services billed | 7,419 across 35 procedure codes |
| Paid by Medicare | $179,544 |
Part D prescriptions in 2024
| Prescriptions (claims) | 325 · 640 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $116,245 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Gastroenterology |
Medical groups
- Sentara Medical GroupNorfolk, VA · 1,408 clinicians
- Martha Jefferson Medical Group LLCZion Crossroads, VA · 195 clinicians
- Gastroenterology Associates VA, LLCWarrenton, VA · 51 clinicians
Hospital affiliations
- Sentara Martha Jefferson HospitalCharlottesville, VA
- Uva Health Culpeper Medical CenterCulpeper, VA
- Uva Health Haymarket Medical CenterHaymarket, VA
- Uva Health Prince William Medical CenterManassas, VA
Industry payments (Open Payments)
- 2025$266.85 · 9 payments from 4 companies
- 2024$645.17 · 17 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $190.28 | 6 |
| Genzyme Corporation | $27.17 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $26.94 | 1 |
| Lilly USA, LLC | $22.46 | 1 |
What the 2025 payments were for
- Food and Beverage$266.85 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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