James Ferguson, M.D.
NPI 1811257850ActiveIndividual· Internal Medicine, Pulmonary Disease· East Greenwich, RI
Internal Medicine, Pulmonary Disease (M.D.) in East Greenwich, Rhode Island, trained at University of Massachusetts Medical School (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $1,224,370 for 3,732 claims, against $97,035 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 4 companies reporting payments in 2025, $100.58 in all, mostly food and beverage.
Overview
| NPI | 1811257850 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 24, 2012 |
| Last updated in NPPES | Jun 2, 2026 |
| Certified by provider | Jun 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | MD14925 | 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 - Internal Medicine (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 706 |
|---|---|
| Services billed | 1,785 across 34 procedure codes |
| Paid by Medicare | $97,035 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,732 · 4,939 30-day fills |
|---|---|
| Patients | 515 |
| Total drug cost | $1,224,370 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Affinity Physicians LLC.Warwick, RI · 730 clinicians
Hospital affiliations
- Kent County Memorial HospitalWarwick, RI
- Newport HospitalNewport, RI
- Rhode Island HospitalProvidence, RI
- The Miriam HospitalProvidence, RI
- Women & Infants Hospital of Rhode IslandProvidence, RI
Industry payments (Open Payments)
- 2025$100.58 · 5 payments from 4 companies
- 2024$36.46 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $30.11 | 1 |
| Glaxosmithkline, LLC. | $29.75 | 2 |
| Philips North America LLC | $21.89 | 1 |
| Insmed, Inc. | $18.83 | 1 |
What the 2025 payments were for
- Food and Beverage$100.58 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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