Mario Gerard Massullo, D.O.
NPI 1043228158ActiveIndividual· Internal Medicine, Cardiovascular Disease· Kankakee, IL
Internal Medicine, Cardiovascular Disease (D.O.) in Kankakee, Illinois, trained at Ohio University, College of Osteopathic Medicine (class of 1988). Their prescriptions cost Medicare Part D more than their services did: $1,211,710 for 7,498 claims, against $266,216 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 14 companies reporting payments in 2025, $838.12 in all, mostly food and beverage.
Overview
| NPI | 1043228158 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Jul 20, 2026 |
| Certified by provider | Jul 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 036082059 | IL |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 036082059 | IL |
| Internal Medicine | 207R00000X | 036082059 | 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 - Cardiac Surgery (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,181 |
|---|---|
| Services billed | 5,881 across 91 procedure codes |
| Paid by Medicare | $266,216 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,498 · 16,064 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $1,211,710 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Cardiac Surgery |
| Secondary specialties | Cardiovascular Disease (Cardiology), Internal Medicine, Osteopathic Manipulative Medicine, Peripheral Vascular Disease |
Medical group
- Prime Healthcare Illinois Medical Group LLCChicago, IL · 322 clinicians
Hospital affiliations
- Carle Foundation HospitalUrbana, IL
- Iroquois Memorial HospitalWatseka, IL
- Presence St Marys HospitalKankakee, IL
- Riverside Medical CenterKankakee, IL
Industry payments (Open Payments)
- 2025$838.12 · 39 payments from 14 companies
- 2024$1,466 · 57 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $207.74 | 12 |
| Novartis Pharmaceuticals Corporation | $124.23 | 5 |
| Boston Scientific Corporation | $92.75 | 4 |
| Novo Nordisk Inc | $78.20 | 3 |
| Alnylam Pharmaceuticals Inc. | $66.13 | 3 |
What the 2025 payments were for
- Food and Beverage$838.12 · 39 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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