Lisa A. Mueller, MD
NPI 1063583383ActiveIndividual· Internal Medicine, Gastroenterology· Providence, RI
Internal Medicine, Gastroenterology (MD) with University Gastroenterology, LLC, practicing in Providence, Rhode Island. Their prescriptions cost Medicare Part D more than their services did: $507,530 for 2,191 claims, against $81,850 paid for services in 2024. Genentech, Inc. was the largest of 13 companies reporting payments in 2025, $3,031 in all, mostly food and beverage. Lists Kent County Memorial Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1063583383 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 10, 2006 |
| Last updated in NPPES | May 20, 2022 |
| Certified by provider | May 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 9798 | RI |
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 (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 349 |
|---|---|
| Services billed | 719 across 39 procedure codes |
| Paid by Medicare | $81,850 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,191 · 5,510 30-day fills |
|---|---|
| Patients | 731 |
| Total drug cost | $507,530 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- University Gastroenterology, LLCProvidence, RI · 102 clinicians
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- Rhode Island HospitalProvidence, RI
- The Miriam HospitalProvidence, RI
Industry payments (Open Payments)
- 2025$3,031 · 96 payments from 13 companies
- 2024$10,321 · 91 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genentech, Inc. | $1,434 | 3 |
| Abbvie Inc. | $591.64 | 52 |
| Janssen Biotech, Inc. | $289.70 | 12 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $217.70 | 9 |
| Takeda Pharmaceuticals U.S.A., Inc. | $210.68 | 8 |
What the 2025 payments were for
- Food and Beverage$1,889 · 94 payments
- Travel and Lodging$1,142 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 67 gastroenterologists in Providence · All gastroenterologists in Rhode Island