Stephen Daniel Mayper, M.D.
NPI 1598150518ActiveIndividual· Internal Medicine· Largo, FL
Internal Medicine (M.D.) in Largo, Florida, trained at University of South Florida College of Medicine (class of 2019). Their prescriptions cost Medicare Part D more than their services did: $432,714 for 5,359 claims, against $53,138 paid for services in 2024. Abbvie Inc. was the largest of 14 companies reporting payments in 2025, $519.82 in all, mostly food and beverage.
Overview
| NPI | 1598150518 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 6, 2015 |
| Last updated in NPPES | Jul 25, 2022 |
| Certified by provider | Jul 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | ME140774 | FL |
| Pediatrics | 208000000X | ME140774 | 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 - Internal Medicine (FL); Practitioner - Internal Medicine (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 600 across 31 procedure codes |
| Paid by Medicare | $53,138 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,359 · 12,517 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $432,714 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | University of South Florida College of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
Medical groups
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
- Baycare Medical Group, Inc.Clearwater, FL · 1,547 clinicians
- St. Joseph's Hospital, Inc.Tampa, FL · 9 clinicians
Hospital affiliations
- Morton Plant HospitalClearwater, FL
- St Anthonys HospitalSaint Petersburg, FL
- St Josephs HospitalTampa, FL
Other facilities
- Baycare Home Care IncHome health agency · Largo, FL
Industry payments (Open Payments)
- 2025$519.82 · 26 payments from 14 companies
- 2024$175.92 · 9 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $111.93 | 5 |
| Novo Nordisk Inc | $68.22 | 4 |
| Boston Scientific Corporation | $49.21 | 1 |
| Exact Sciences Corporation | $38.64 | 2 |
| Cranial Technologies, Inc | $38.06 | 2 |
What the 2025 payments were for
- Food and Beverage$519.82 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 128 internal medicine physicians in Largo · All internal medicine physicians in Florida