Mark Joseph Lybik, MD
NPI 1184626707ActiveIndividual· Internal Medicine, Gastroenterology· Indianapolis, IN
Internal Medicine, Gastroenterology (MD) in Indianapolis, Indiana, trained at University of Michigan Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $426,194 for 1,724 claims, against $128,094 paid for services in 2024. Abbvie Inc. was the largest of 12 companies reporting payments in 2025, $746.09 in all, mostly food and beverage.
Overview
| NPI | 1184626707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 12, 2005 |
| Last updated in NPPES | Feb 3, 2025 |
| Certified by provider | Feb 3, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 10149131A | IN |
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 (IN); Practitioner - Gastroenterology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 293 |
|---|---|
| Services billed | 3,596 across 65 procedure codes |
| Paid by Medicare | $128,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,724 · 2,674 30-day fills |
|---|---|
| Patients | 378 |
| Total drug cost | $426,194 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical groups
- Parkview Health System IncFort Wayne, IN · 1,377 clinicians
- Gcga Physicians Inc.Lima, OH · 77 clinicians
Hospital affiliations
- Mercy Health - Fairfield HospitalFairfield, OH
- Mercy Health - West HospitalCincinnati, OH
- Mercy Health Kings Mills Hospital LLCMason, OH
- Parkview Regional Medical CenterFort Wayne, IN
- The Jewish Hospital-Mercy HealthCincinnati, OH
Industry payments (Open Payments)
- 2025$746.09 · 52 payments from 12 companies
- 2024$2,315 · 111 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $315.22 | 27 |
| Regeneron Healthcare Solutions, Inc. | $118.32 | 4 |
| Takeda Pharmaceuticals U.S.A., Inc. | $52.17 | 3 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $39.45 | 2 |
| Ipsen Biopharmaceuticals, Inc | $35.89 | 2 |
What the 2025 payments were for
- Food and Beverage$746.09 · 52 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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