Charles Robert Bosshardt, MD
NPI 1013215078ActiveIndividual· Internal Medicine, Gastroenterology· Chattanooga, TN
Internal Medicine, Gastroenterology (MD) in Chattanooga, Tennessee, trained at Mercer University School of Medicine (class of 2011). Their prescriptions cost Medicare Part D more than their services did: $829,500 for 2,121 claims, against $129,028 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $672.12 in all, mostly food and beverage.
Overview
| NPI | 1013215078 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 1, 2011 |
| Last updated in NPPES | Feb 20, 2026 |
| Certified by provider | Feb 20, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 55647 | TN |
| Internal Medicine, Gastroenterology | 207RG0100X | 77562 | GA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (GA); Practitioner - Gastroenterology (TN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 602 |
|---|---|
| Services billed | 1,623 across 58 procedure codes |
| Paid by Medicare | $129,028 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,121 · 3,189 30-day fills |
|---|---|
| Patients | 750 |
| Total drug cost | $829,500 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Mercer University School of Medicine |
|---|---|
| Graduation year | 2011 |
| Medicare specialty | Gastroenterology |
Medical group
- Galen Medical Group, PCChattanooga, TN · 125 clinicians
Hospital affiliations
- Commonspirit-Memorial Hospital-North GeorgiaRinggold, GA
- Memorial Healthcare System, IncChattanooga, TN
- Parkridge Medical CenterChattanooga, TN
Industry payments (Open Payments)
- 2025$672.12 · 35 payments from 8 companies
- 2024$600.60 · 33 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $396.77 | 26 |
| Janssen Biotech, Inc. | $76.99 | 1 |
| Enterra Medical, Inc. | $66.15 | 1 |
| Pfizer Inc. | $55.00 | 3 |
| Celltrion USA Inc. | $26.33 | 1 |
What the 2025 payments were for
- Food and Beverage$595.13 · 34 payments
- Education$76.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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