William Robert Sonnenberg, MD
NPI 1932173366ActiveIndividual· Family Medicine· Titusville, PA
Family Medicine (MD) in Titusville, Pennsylvania, trained at University of Pittsburgh School of Medicine (class of 1980). Their prescriptions cost Medicare Part D more than their services did: $1,416,010 for 21,573 claims, against $84,241 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 12 companies reporting payments in 2025, $738.35 in all, mostly food and beverage.
Overview
| NPI | 1932173366 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Feb 14, 2006 |
| Last updated in NPPES | Jun 17, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD025681E | PA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (PA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 247 |
|---|---|
| Services billed | 1,564 across 34 procedure codes |
| Paid by Medicare | $84,241 |
Part D prescriptions in 2024
| Prescriptions (claims) | 21,573 · 25,543 30-day fills |
|---|---|
| Patients | 688 |
| Total drug cost | $1,416,010 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | University of Pittsburgh School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Family Practice |
Hospital affiliations
- Titusville Area HospitalTitusville, PA
- Upmc HamotErie, PA
- Upmc NorthwestSeneca, PA
- Warren General HospitalWarren, PA
Other facilities
- Aseracare HospiceHospice · Waterford, PA
- Gentiva IIHospice · Meadville, PA
- Hospice of Crawford County IncHospice · Meadville, PA
- Hospice of Warren CountyHospice · Warren, PA
- Caring Place, theNursing home · Franklin, PA
- Edinboro ManorNursing home · Edinboro, PA
- Rolling Fields, IncNursing home · Conneautville, PA
- Titusville Nursing and RehabNursing home · Titusville, PA
- Warren ManorNursing home · Warren, PA
Industry payments (Open Payments)
- 2025$738.35 · 33 payments from 12 companies
- 2024$545.05 · 18 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $185.88 | 6 |
| Otsuka America Pharmaceutical, Inc. | $149.75 | 4 |
| Pfizer Inc. | $74.14 | 4 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $69.70 | 4 |
| Teva Pharmaceuticals USA, Inc. | $65.50 | 4 |
What the 2025 payments were for
- Food and Beverage$738.35 · 33 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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