Dale L. Coy, M.D.
NPI 1770578858ActiveIndividual· Internal Medicine, Gastroenterology· Lake Barrington, IL
Internal Medicine, Gastroenterology (M.D.) in Lake Barrington, Illinois, trained at Ohio State University College of Medicine (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $1,312,514 for 1,951 claims, against $191,939 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 22 companies reporting payments in 2025, $2,355 in all, mostly food and beverage.
Overview
| NPI | 1770578858 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 15, 2005 |
| Last updated in NPPES | Sep 7, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 036-076418 | IL |
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 (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 967 |
|---|---|
| Services billed | 1,377 across 41 procedure codes |
| Paid by Medicare | $191,939 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,951 · 3,255 30-day fills |
|---|---|
| Patients | 892 |
| Total drug cost | $1,312,514 |
| Generic share | 75% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gi Partners of Illinois PLLCLibertyville, IL · 39 clinicians
Hospital affiliations
- Advocate Good Shepherd HospitalBarrington, IL
- Advocate Illinois Masonic Medical CenterChicago, IL
- Advocate Sherman HospitalElgin, IL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
Industry payments (Open Payments)
- 2025$2,355 · 89 payments from 22 companies
- 2024$1,786 · 82 payments from 26 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $313.16 | 8 |
| Abbvie Inc. | $291.86 | 12 |
| Janssen Biotech, Inc. | $256.22 | 9 |
| Ipsen Biopharmaceuticals, Inc | $175.50 | 6 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $167.22 | 7 |
What the 2025 payments were for
- Food and Beverage$2,271 · 88 payments
- Education$84.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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