William J. Grisaitis, MD
NPI 1063404051ActiveIndividual· Dermatology· Maitland, FL
Dermatology (MD) in Maitland, Florida, trained at Saint Louis University School of Medicine (class of 1977). 1,357 Medicare patients in 2024, $444,094 paid; nearly all of their 673 Part D prescriptions were generic (99%).
Overview
| NPI | 1063404051 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 17, 2005 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dermatology Primary | 207N00000X | ME0035814 | 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 - Dermatology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 1,357 |
|---|---|
| Services billed | 6,835 across 73 procedure codes |
| Paid by Medicare | $444,094 |
Part D prescriptions in 2024
| Prescriptions (claims) | 673 · 763 30-day fills |
|---|---|
| Patients | 378 |
| Total drug cost | $13,825 |
| Generic share | 99% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 1977 |
| Medicare specialty | Dermatology |
| Secondary specialties | Internal Medicine |
Hospital affiliation
- Adventhealth OrlandoOrlando, FL
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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