Vivian Ortiz, MD
NPI 1083060701ActiveIndividual· Internal Medicine, Gastroenterology· Saint Louis, MO
Internal Medicine, Gastroenterology (MD) in Saint Louis, Missouri, trained at Meharry Medical College School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $243,329 for 387 claims, against $21,044 paid for services in 2024. Guerbet LLC was the largest of 3 companies reporting payments in 2025, $3,472 in all, mostly honoraria.
Overview
| NPI | 1083060701 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 11, 2016 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Mar 21, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2023018824 | MO |
| Internal Medicine | 207R00000X | 2023018824 | 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 - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 139 |
|---|---|
| Services billed | 239 across 18 procedure codes |
| Paid by Medicare | $21,044 |
Part D prescriptions in 2024
| Prescriptions (claims) | 387 · 564 30-day fills |
|---|---|
| Patients | 122 |
| Total drug cost | $243,329 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Meharry Medical College School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Memorial HospitalBelleville, IL
- Missouri Baptist Medical CenterSaint Louis, MO
Industry payments (Open Payments)
- 2025$3,472 · 7 payments from 3 companies
- 2024$151.16 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Guerbet LLC | $3,302 | 4 |
| Conmed Corporation | $139.15 | 2 |
| Gilead Sciences, Inc. | $30.48 | 1 |
What the 2025 payments were for
- Honoraria$2,000 · 1 payment
- Travel and Lodging$1,141 · 2 payments
- Food and Beverage$330.13 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 176 gastroenterologists in Saint Louis · All gastroenterologists in Missouri