Marco Rosario Corallo, D.O.
Internal Medicine, Endocrinology, Diabetes & Metabolism (D.O.) in Beloit, Ohio, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1994). Their prescriptions cost Medicare Part D more than their services did: $712,551 for 2,043 claims, against $5,884 paid for services in 2024. Corcept Therapeutics was the largest of 10 companies reporting payments in 2025, $2,822 in all, mostly speaking and faculty fees.
Overview
| NPI | 1568550549 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Oct 11, 2006 |
| Last updated in NPPES | Sep 4, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 34007287 | OH |
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 - Endocrinology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 37 |
|---|---|
| Services billed | 67 across 8 procedure codes |
| Paid by Medicare | $5,884 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,043 · 4,571 30-day fills |
|---|---|
| Patients | 513 |
| Total drug cost | $712,551 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1994 |
| Medicare specialty | Endocrinology |
Medical group
- River Valley Physicians LLCEast Liverpool, OH · 55 clinicians
Hospital affiliations
- East Liverpool City HospitalEast Liverpool, OH
- Heritage Valley BeaverBeaver, PA
- Salem Regional Medical CenterSalem, OH
Industry payments (Open Payments)
- 2025$2,822 · 22 payments from 10 companies
- 2024$38.14 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Corcept Therapeutics | $2,560 | 8 |
| Novartis Pharmaceuticals Corporation | $77.86 | 4 |
| Bayer Healthcare Pharmaceuticals Inc. | $37.15 | 2 |
| Lilly USA, LLC | $36.25 | 2 |
| Novo Nordisk Inc | $27.64 | 1 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,293 · 1 payment
- Food and Beverage$457.33 · 20 payments
- Travel and Lodging$72.10 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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