Mark F. Colligan, MD
NPI 1902998347ActiveIndividual· Internal Medicine, Cardiovascular Disease· San Antonio, TX
Internal Medicine, Cardiovascular Disease (MD) in San Antonio, Texas, trained at Indiana University School of Medicine (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,053,479 for 10,537 claims, against $516,826 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 9 companies reporting payments in 2025, $2,176 in all, mostly food and beverage.
Overview
| NPI | 1902998347 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 29, 2006 |
| Last updated in NPPES | Dec 28, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | N1291 | TX |
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 - Cardiovascular Disease (Cardiology) (TX) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,031 |
|---|---|
| Services billed | 8,388 across 63 procedure codes |
| Paid by Medicare | $516,826 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,537 · 27,675 30-day fills |
|---|---|
| Patients | 1,540 |
| Total drug cost | $2,053,479 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Bhs Physicians Network, IncBrownsville, TX · 706 clinicians
Hospital affiliations
- Baptist Medical CenterSan Antonio, TX
- Baptist Neighborhood Hospital Thousand OaksSan Antonio, TX
- Methodist Hospital Stone OakSan Antonio, TX
Industry payments (Open Payments)
- 2025$2,176 · 101 payments from 9 companies
- 2024$13,389 · 100 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $520.51 | 28 |
| Medtronic, Inc. | $384.37 | 3 |
| Abbott Laboratories | $349.36 | 7 |
| E.R. Squibb & Sons, L.L.C. | $284.70 | 28 |
| Pfizer Inc. | $213.48 | 20 |
What the 2025 payments were for
- Food and Beverage$2,176 · 101 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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