Abhinav Tiwari, MD
NPI 1225411598ActiveIndividual· Internal Medicine, Gastroenterology· Springfield, OR
Internal Medicine, Gastroenterology (MD) with Peacehealth Medical Group, practicing in Springfield, Oregon. In 2024 Medicare paid $54,952 for 252 patients, and Part D covered 745 of their prescriptions, 79% of them generic. Madrigal Pharmaceuticals reported $151.89 in payments in 2025, mostly food and beverage. Lists Bay Area Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1225411598 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2015 |
| Last updated in NPPES | Sep 1, 2021 |
| Certified by provider | Sep 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD204814 | OR |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 252 |
|---|---|
| Services billed | 596 across 44 procedure codes |
| Paid by Medicare | $54,952 |
Part D prescriptions in 2024
| Prescriptions (claims) | 745 · 953 30-day fills |
|---|---|
| Patients | 447 |
| Total drug cost | $64,983 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Peacehealth Medical GroupEugene, OR · 255 clinicians
Hospital affiliations
- Bay Area HospitalCoos Bay, OR
- Peace Harbor Medical CenterFlorence, OR
- Sacred Heart Medical Center - RiverbendSpringfield, OR
Industry payments (Open Payments)
- 2025$151.89 · 1 payment from 1 company
- 2024$214.43 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $151.89 | 1 |
What the 2025 payments were for
- Food and Beverage$151.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 22 gastroenterologists in Springfield · All gastroenterologists in Oregon