Ronan Farrell, MD
NPI 1821470675ActiveIndividual· Internal Medicine, Gastroenterology· Dartmouth, MA
Internal Medicine, Gastroenterology (MD) with Lifespan Physician Group of Massachusetts Inc, practicing in Dartmouth, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $105,018 for 304 claims, against $38,671 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $413.16 in all, mostly food and beverage. Lists Brown University Health Morton Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1821470675 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2015 |
| Last updated in NPPES | Jun 10, 2026 |
| Certified by provider | Jun 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | MD17495 | RI |
| Internal Medicine, Gastroenterology | 207RG0100X | 1018911 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 220 |
|---|---|
| Services billed | 374 across 32 procedure codes |
| Paid by Medicare | $38,671 |
Part D prescriptions in 2024
| Prescriptions (claims) | 304 · 595 30-day fills |
|---|---|
| Patients | 105 |
| Total drug cost | $105,018 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Lifespan Physician Group of Massachusetts IncFall River, MA · 476 clinicians
Hospital affiliations
- Brown University Health Morton HospitalTaunton, MA
- Saint Anne's HospitalFall River, MA
- Southcoast Hospitals GroupFall River, MA
Industry payments (Open Payments)
- 2025$413.16 · 4 payments from 3 companies
- 2024$279.67 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $259.09 | 2 |
| Phathom Pharmaceuticals, Inc. | $125.00 | 1 |
| Ardelyx, Inc. | $29.07 | 1 |
What the 2025 payments were for
- Food and Beverage$413.16 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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