William Zempsky, MD
NPI 1508832650ActiveIndividual· Pediatrics· Hartford, CT
Pediatrics (MD) in Hartford, Connecticut, trained at Johns Hopkins University School of Medicine (class of 1988). Part D covered 62 prescriptions written in 2024, 61% of them generic. H. Lundbeck A S reported $6,563 in payments in 2025, mostly honoraria.
Overview
| NPI | 1508832650 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 28, 2006 |
| Last updated in NPPES | Sep 23, 2022 |
| Certified by provider | Sep 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics Primary | 208000000X | 035940 | CT |
| Pediatrics, Pediatric Emergency Medicine | 2080P0204X | 035940 | CT |
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 - Emergency Medicine (CT) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 62 · 70 30-day fills |
|---|---|
| Total drug cost | $22,685 |
| Generic share | 61% of claims |
Education and affiliations
| Medical school | Johns Hopkins University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Emergency Medicine |
| Secondary specialties | Pediatric Medicine |
Medical group
- Connecticut Children's Specialty Group, IncHartford, CT · 137 clinicians
Industry payments (Open Payments)
- 2025$6,563 · 2 payments from 1 company
- 2024$7,880 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| H. Lundbeck A S | $6,563 | 2 |
What the 2025 payments were for
- Honoraria$6,563 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 117 pediatricians in Hartford · All pediatricians in Connecticut