William S. Haaz, M.D.
NPI 1366445322ActiveIndividual· Internal Medicine, Cardiovascular Disease· Jenkintown, PA
Internal Medicine, Cardiovascular Disease (M.D.) in Jenkintown, Pennsylvania, trained at Temple University School of Medicine (class of 1975). Their prescriptions cost Medicare Part D more than their services did: $1,409,309 for 8,707 claims, against $155,610 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 17 companies reporting payments in 2025, $1,222 in all, mostly food and beverage.
Overview
| NPI | 1366445322 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 24, 2005 |
| Last updated in NPPES | Jun 16, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | MD018061E | PA |
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 - Cardiovascular Disease (Cardiology) (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 712 |
|---|---|
| Services billed | 2,753 across 25 procedure codes |
| Paid by Medicare | $155,610 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,707 · 20,146 30-day fills |
|---|---|
| Patients | 890 |
| Total drug cost | $1,409,309 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 1975 |
| Medicare specialty | Cardiovascular Disease (Cardiology) |
| Secondary specialties | Internal Medicine |
Medical group
- Aria Health Physician ServicesPhiladelphia, PA · 450 clinicians
Hospital affiliations
- Holy Redeemer Hospital and Medical CenterMeadowbrook, PA
- Jefferson Health- NortheastPhiladelphia, PA
Industry payments (Open Payments)
- 2025$1,222 · 75 payments from 17 companies
- 2024$1,367 · 80 payments from 19 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $224.81 | 23 |
| Novartis Pharmaceuticals Corporation | $218.11 | 14 |
| Alnylam Pharmaceuticals Inc. | $135.96 | 6 |
| Amgen Inc. | $77.87 | 5 |
| Merck Sharp & Dohme LLC | $67.63 | 3 |
What the 2025 payments were for
- Food and Beverage$1,202 · 74 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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