William Mayoral, MD
NPI 1154360493ActiveIndividual· Internal Medicine, Gastroenterology· Orlando, FL
Internal Medicine, Gastroenterology (MD) with Gastroenterology Assoc of Central Fl, practicing in Orlando, Florida. Their prescriptions cost Medicare Part D more than their services did: $560,442 for 1,623 claims, against $100,459 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 8 companies reporting payments in 2025, $846.11 in all, mostly food and beverage. Lists Adventhealth Orlando and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1154360493 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 5, 2006 |
| Last updated in NPPES | Jun 16, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME85760 | FL |
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 | 549 |
|---|---|
| Services billed | 2,760 across 33 procedure codes |
| Paid by Medicare | $100,459 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,623 · 3,397 30-day fills |
|---|---|
| Patients | 590 |
| Total drug cost | $560,442 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 1989 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
Medical group
- Gastroenterology Assoc of Central FlOrlando, FL · 11 clinicians
Hospital affiliations
- Adventhealth OrlandoOrlando, FL
- Orlando HealthOrlando, FL
- Orlando Health-Health Central HospitalOcoee, FL
Industry payments (Open Payments)
- 2025$846.11 · 48 payments from 8 companies
- 2024$673.29 · 43 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $234.76 | 11 |
| Abbvie Inc. | $206.81 | 16 |
| Takeda Pharmaceuticals U.S.A., Inc. | $151.92 | 9 |
| Ipsen Biopharmaceuticals, Inc | $103.44 | 5 |
| Genzyme Corporation | $75.13 | 3 |
What the 2025 payments were for
- Food and Beverage$846.11 · 48 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 96 gastroenterologists in Orlando · All gastroenterologists in Florida