Marcus Muehlbauer, M.D.
NPI 1093970121ActiveIndividual· Internal Medicine, Gastroenterology· Gainesville, FL
Internal Medicine, Gastroenterology (M.D.) with Digestive Disease Associates, practicing in Gainesville, Florida. Their prescriptions cost Medicare Part D more than their services did: $1,903,860 for 955 claims, against $270,980 paid for services in 2024. Medtronic, Inc. was the largest of 2 companies reporting payments in 2024, $38.72 in all, mostly food and beverage. Lists HCA Florida Lake City Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1093970121 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 29, 2008 |
| Last updated in NPPES | Feb 5, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME121643 | FL |
| Internal Medicine, Gastroenterology | 207RG0100X | 2014-01057 | NC |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 482 |
|---|---|
| Services billed | 11,108 across 36 procedure codes |
| Paid by Medicare | $270,980 |
Part D prescriptions in 2024
| Prescriptions (claims) | 955 · 2,048 30-day fills |
|---|---|
| Patients | 226 |
| Total drug cost | $1,903,860 |
| Generic share | 78% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Digestive Disease AssociatesGainesville, FL · 27 clinicians
Hospital affiliations
- HCA Florida Lake City HospitalLake City, FL
- HCA Florida North Florida HospitalGainesville, FL
- Uf Health Shands HospitalGainesville, FL
Industry payments (Open Payments)
- 2024$38.72 · 2 payments from 2 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $24.96 | 1 |
| Takeda Pharmaceuticals U.S.A., Inc. | $13.76 | 1 |
What the 2024 payments were for
- Food and Beverage$24.96 · 1 payment
- Education$13.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 61 gastroenterologists in Gainesville · All gastroenterologists in Florida