Ramez Sami Sunna, M.D.
NPI 1891880407ActiveIndividual· Internal Medicine, Critical Care Medicine· Columbia, MO
Internal Medicine, Critical Care Medicine (M.D.) with The Curators of the University of Missouri, practicing in Columbia, Missouri. In 2024 Medicare paid $27,511 for 160 patients, and Part D covered 50 of their prescriptions, 54% of them generic. Intuitive Surgical, Inc. was the largest of 2 companies reporting payments in 2025, $134.40 in all, mostly food and beverage. Lists University of Missouri Health Care as a hospital affiliation.
Overview
| NPI | 1891880407 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Apr 18, 2023 |
| Certified by provider | Apr 18, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | 2008027622 | MO |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 2008027622 | MO |
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 - Critical Care (Intensivists) (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 411 across 34 procedure codes |
| Paid by Medicare | $27,511 |
Part D prescriptions in 2024
| Prescriptions (claims) | 50 · 78 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $12,321 |
| Generic share | 54% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Critical Care (Intensivists) |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- The Curators of the University of MissouriColumbia, MO · 1,131 clinicians
Hospital affiliation
- University of Missouri Health CareColumbia, MO
Industry payments (Open Payments)
- 2025$134.40 · 2 payments from 2 companies
- 2024$4,185 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Intuitive Surgical, Inc. | $119.55 | 1 |
| Ambu Inc. | $14.85 | 1 |
What the 2025 payments were for
- Food and Beverage$134.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 23 critical care physicians in Columbia · All critical care physicians in Missouri