Eddy A. Castillo
NPI 1225020134ActiveIndividual· Specialist· Fairfield, CT
Specialist with Connecticut Gi PLLC, practicing in Fairfield, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $1,547,607 for 3,775 claims, against $167,185 paid for services in 2024. Abbvie Inc. was the largest of 21 companies reporting payments in 2025, $3,954 in all, mostly food and beverage. Lists St Vincent's Medical Center as a hospital affiliation.
Overview
| NPI | 1225020134 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Oct 30, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 039515 | CT |
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 | 280 |
|---|---|
| Services billed | 14,231 across 40 procedure codes |
| Paid by Medicare | $167,185 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,775 · 5,982 30-day fills |
|---|---|
| Patients | 882 |
| Total drug cost | $1,547,607 |
| Generic share | 76% of claims |
Education and affiliations
| Graduation year | 1991 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Connecticut Gi PLLCWallingford, CT · 248 clinicians
Hospital affiliation
- St Vincent's Medical CenterBridgeport, CT
Industry payments (Open Payments)
- 2025$3,954 · 171 payments from 21 companies
- 2024$4,099 · 172 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $735.58 | 24 |
| Madrigal Pharmaceuticals | $451.26 | 28 |
| Ipsen Biopharmaceuticals, Inc | $420.23 | 15 |
| Lilly USA, LLC | $321.21 | 19 |
| Aimmune Therapeutics, Inc. | $290.26 | 11 |
What the 2025 payments were for
- Food and Beverage$3,954 · 171 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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