Charles Mark Riggenbach, M.D.
NPI 1346225240ActiveIndividual· Internal Medicine, Gastroenterology· Fort Walton Beach, FL
Internal Medicine, Gastroenterology (M.D.) in Fort Walton Beach, Florida, trained at University of Florida College of Medicine (class of 1986). Medicare paid $30,968 for services to 140 patients in 2024.
Overview
| NPI | 1346225240 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 13, 2005 |
| Last updated in NPPES | Jan 20, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME62399 | FL |
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 - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 280 across 10 procedure codes |
| Paid by Medicare | $30,968 |
Education and affiliations
| Medical school | University of Florida College of Medicine |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Gastroenterology |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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