Alan Edward Selkin, M.D.
NPI 1508912759ActiveIndividual· Internal Medicine, Gastroenterology· Greenwich, CT
Internal Medicine, Gastroenterology (M.D.) in Greenwich, Connecticut, trained at New York Medical College (class of 1990). In 2024 Medicare paid $247,108 for 599 patients, and Part D covered 1,047 of their prescriptions, 77% of them generic. Madrigal Pharmaceuticals was the largest of 13 companies reporting payments in 2025, $1,319 in all, mostly food and beverage.
Overview
| NPI | 1508912759 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jan 28, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 032784 | CT |
| Internal Medicine, Gastroenterology | 207RG0100X | 187338 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 599 |
|---|---|
| Services billed | 9,551 across 42 procedure codes |
| Paid by Medicare | $247,108 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,047 · 1,979 30-day fills |
|---|---|
| Patients | 335 |
| Total drug cost | $340,615 |
| Generic share | 77% of claims |
Education and affiliations
| Medical school | New York Medical College |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Greenwich Hospital Association -Greenwich, CT
- Yale-New Haven HospitalNew Haven, CT
Industry payments (Open Payments)
- 2025$1,319 · 70 payments from 13 companies
- 2024$1,073 · 59 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $375.17 | 22 |
| Abbvie Inc. | $233.71 | 11 |
| Pfizer Inc. | $203.52 | 15 |
| Genzyme Corporation | $128.77 | 5 |
| Takeda Pharmaceuticals U.S.A., Inc. | $93.27 | 4 |
What the 2025 payments were for
- Food and Beverage$1,319 · 70 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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