Gilbert Simoni, M.D., FACG
NPI 1316922958ActiveIndividual· Internal Medicine, Gastroenterology· Thousand Oaks, CA
Internal Medicine, Gastroenterology (M.D., FACG) with Sonora Community Hospital, practicing in Thousand Oaks, California. In 2024 Medicare paid $337,467 for 668 patients, and Part D covered 398 of their prescriptions, 75% of them generic. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $12,301 in all, mostly speaking and faculty fees. Lists Adventist Health Sonora and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1316922958 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., FACG |
| Sole proprietor | No |
| NPI issued | Dec 7, 2005 |
| Last updated in NPPES | Jul 21, 2022 |
| Certified by provider | Oct 1, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A77140 | CA |
| Internal Medicine | 207R00000X | A77140 | CA |
| Internal Medicine, Gastroenterology | 207RG0100X | MA74330 | NJ |
| Internal Medicine, Hepatology | 207RI0008X | A77140 | CA |
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 (CA); Practitioner - Gastroenterology (SD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 668 |
|---|---|
| Services billed | 1,711 across 58 procedure codes |
| Paid by Medicare | $337,467 |
Part D prescriptions in 2024
| Prescriptions (claims) | 398 · 731 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $416,845 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Sonora Community HospitalSonora, CA · 133 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Los Robles Hospital & Medical CenterThousand Oaks, CA
- Northridge Hospital Medical CenterNorthridge, CA
Industry payments (Open Payments)
- 2025$12,301 · 106 payments from 14 companies
- 2024$7,619 · 83 payments from 12 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $10,038 | 37 |
| Janssen Biotech, Inc. | $561.80 | 17 |
| Madrigal Pharmaceuticals | $366.70 | 9 |
| Lilly USA, LLC | $236.97 | 7 |
| Takeda Pharmaceuticals U.S.A., Inc. | $209.63 | 7 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$7,125 · 3 payments
- Food and Beverage$3,052 · 98 payments
- Travel and Lodging$2,100 · 3 payments
- Education$24.32 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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