Peter John Weiss, M.D.
NPI 1043219959ActiveIndividual· Internal Medicine, Geriatric Medicine· Winter Park, FL
Internal Medicine, Geriatric Medicine (M.D.) in Winter Park, Florida, trained at Washington University School of Medicine (class of 1985). Their prescriptions cost Medicare Part D more than their services did: $211,390 for 2,506 claims, against $51,200 paid for services in 2024. Lilly USA, LLC reported $63.43 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1043219959 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 21, 2005 |
| Last updated in NPPES | Mar 28, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | ME49655 | FL |
| Internal Medicine, Infectious Disease | 207RI0200X | ME49655 | 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 - Geriatric Medicine (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 304 |
|---|---|
| Services billed | 588 across 34 procedure codes |
| Paid by Medicare | $51,200 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,506 · 6,351 30-day fills |
|---|---|
| Patients | 295 |
| Total drug cost | $211,390 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Washington University School of Medicine |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Geriatric Medicine |
Medical groups
- Florida Hospital Medical Group IncOrlando, FL · 1,755 clinicians
- Ability Health Services and Rehabilitation LPSanford, FL · 1,269 clinicians
- Ability Health Services, IncSanford, FL · 1,258 clinicians
Hospital affiliation
- Adventhealth OrlandoOrlando, FL
Other facilities
- Adventhealth Home HealthHome health agency · Altamonte Springs, FL
- Trilogy Home HealthcareHome health agency · Orlando, FL
- Westminster Winter ParkNursing home · Winter Park, FL
Industry payments (Open Payments)
- 2025$63.43 · 3 payments from 1 company
- 2024$33.66 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Lilly USA, LLC | $63.43 | 3 |
What the 2025 payments were for
- Food and Beverage$63.43 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other geriatricians in Winter Park
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