William Patrick Ackley, M.D.
NPI 1225565906ActiveIndividual· Internal Medicine, Nephrology· New Haven, CT
Internal Medicine, Nephrology (M.D.) in New Haven, Connecticut, trained at New York University School of Medicine (class of 2017). Their prescriptions cost Medicare Part D more than their services did: $404,702 for 762 claims, against $58,315 paid for services in 2024. Calliditas Therapeutics US Inc. reported $21.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1225565906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 12, 2017 |
| Last updated in NPPES | Sep 22, 2026 |
| Certified by provider | Sep 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 07112 | CT |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 179 |
|---|---|
| Services billed | 1,030 across 22 procedure codes |
| Paid by Medicare | $58,315 |
Part D prescriptions in 2024
| Prescriptions (claims) | 762 · 1,711 30-day fills |
|---|---|
| Patients | 140 |
| Total drug cost | $404,702 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 2017 |
| Medicare specialty | Nephrology |
Medical group
- University of Connecticut Health CenterFarmington, CT · 639 clinicians
Hospital affiliation
- John Dempsey Hospital of the University of ConnectFarmington, CT
Other facilities
- Dci - Uconn Dialysis CenterDialysis facility · Farmington, CT
Industry payments (Open Payments)
- 2025$21.15 · 1 payment from 1 company
- 2024$30.90 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $21.15 | 1 |
What the 2025 payments were for
- Food and Beverage$21.15 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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