Andrew Douglas Stone, M.D.
NPI 1497795561ActiveIndividual· Internal Medicine, Gastroenterology· Brockton, MA
Internal Medicine, Gastroenterology (M.D.) with Gis Services 2 LLC and 1 other group, practicing in Brockton, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $591,441 for 593 claims, against $97,500 paid for services in 2024. Davol Inc. was the largest of 3 companies reporting payments in 2025, $210.61 in all, mostly food and beverage. Lists Brown University Health Morton Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1497795561 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Jan 25, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 12037 | 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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 451 |
|---|---|
| Services billed | 717 across 38 procedure codes |
| Paid by Medicare | $97,500 |
Part D prescriptions in 2024
| Prescriptions (claims) | 593 · 1,258 30-day fills |
|---|---|
| Patients | 193 |
| Total drug cost | $591,441 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical groups
- Gis Services 2 LLCBrockton, MA · 9 clinicians
- Gastrointestinal Specialists, LLCBrockton, MA · 9 clinicians
Hospital affiliations
- Brown University Health Morton HospitalTaunton, MA
- Signature Healthcare Brockton HospitalBrockton, MA
Industry payments (Open Payments)
- 2025$210.61 · 3 payments from 3 companies
- 2024$141.75 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $160.83 | 1 |
| Madrigal Pharmaceuticals | $30.74 | 1 |
| Lucid Diagnostics Inc. | $19.04 | 1 |
What the 2025 payments were for
- Food and Beverage$210.61 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 gastroenterologists in Brockton · All gastroenterologists in Massachusetts