Lorenzo Rossaro, MD
NPI 1750368163ActiveIndividual· Internal Medicine, Gastroenterology· Woodland, CA
Internal Medicine, Gastroenterology (MD) with Dignity Health Medical Foundation, practicing in Woodland, California. Their prescriptions cost Medicare Part D more than their services did: $587,783 for 1,003 claims, against $59,981 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 5 companies reporting payments in 2025, $75,000 in all, mostly speaking and faculty fees. Lists Loma Linda University Medical Center and 1 other hospital as hospital affiliations.
Overview
| NPI | 1750368163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 28, 2005 |
| Last updated in NPPES | Sep 26, 2025 |
| Certified by provider | Sep 26, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | A68436 | 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 (NV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 310 |
|---|---|
| Services billed | 617 across 26 procedure codes |
| Paid by Medicare | $59,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,003 · 1,885 30-day fills |
|---|---|
| Patients | 234 |
| Total drug cost | $587,783 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1982 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Dignity Health Medical FoundationFolsom, CA · 1,184 clinicians
Hospital affiliations
- Loma Linda University Medical CenterLoma Linda, CA
- Woodland Memorial HospitalWoodland, CA
Industry payments (Open Payments)
- 2025$75,000 · 83 payments from 5 companies
- 2024$104,165 · 101 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $50,259 | 43 |
| Abbvie Inc. | $18,657 | 29 |
| Ipsen Biopharmaceuticals, Inc | $3,363 | 6 |
| Intra-Sana Laboratories | $2,658 | 3 |
| Madrigal Pharmaceuticals | $64.17 | 2 |
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$63,225 · 13 payments
- Travel and Lodging$6,744 · 28 payments
- Food and Beverage$2,531 · 41 payments
- Honoraria$2,500 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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