Alison Thompson, M.D.
NPI 1558741728ActiveIndividual· Internal Medicine· Greenwich, CT
Internal Medicine (M.D.) in Greenwich, Connecticut, trained at Pennsylvania State University College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $609,959 for 821 claims, against $100,955 paid for services in 2024. Glaxosmithkline, LLC. reported $20.24 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558741728 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 3, 2015 |
| Last updated in NPPES | May 25, 2022 |
| Certified by provider | May 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 59988 | CT |
| Internal Medicine, Pulmonary Disease | 207RP1001X | 59988 | CT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Pulmonary Disease (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 387 |
|---|---|
| Services billed | 1,320 across 44 procedure codes |
| Paid by Medicare | $100,955 |
Part D prescriptions in 2024
| Prescriptions (claims) | 821 · 1,048 30-day fills |
|---|---|
| Patients | 171 |
| Total drug cost | $609,959 |
| Generic share | 31% of claims |
Education and affiliations
| Medical school | Pennsylvania State University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Northeast Medical Group IncBridgeport, CT · 1,360 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Stamford HospitalStamford, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$20.24 · 1 payment from 1 company
- 2024$25.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $20.24 | 1 |
What the 2025 payments were for
- Food and Beverage$20.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 73 internal medicine physicians in Greenwich · All internal medicine physicians in Connecticut