Christopher A. Strassberger, PA
NPI 1811228273ActiveIndividual· Physician Assistant, Surgical· Worcester, MA
Physician Assistant, Surgical (PA) with Unhlp LLC, practicing in Worcester, Massachusetts. 333 Medicare patients in 2024, $5,859 paid; nearly all of their 111 Part D prescriptions were generic (94%). Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 6 companies reporting payments in 2025, $246.32 in all, mostly food and beverage. Lists St Vincent Hospital as a hospital affiliation.
Overview
| NPI | 1811228273 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jan 26, 2010 |
| Last updated in NPPES | Jan 26, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Surgical Primary | 363AS0400X | PA3918 | MA |
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 - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 333 |
|---|---|
| Services billed | 347 across 6 procedure codes |
| Paid by Medicare | $5,859 |
Part D prescriptions in 2024
| Prescriptions (claims) | 111 · 191 30-day fills |
|---|---|
| Patients | 53 |
| Total drug cost | $6,465 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Unhlp LLCWorcester, MA · 20 clinicians
Hospital affiliation
- St Vincent HospitalWorcester, MA
Industry payments (Open Payments)
- 2025$246.32 · 10 payments from 6 companies
- 2024$238.67 · 12 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $118.18 | 5 |
| Abiomed | $37.49 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $25.88 | 1 |
| Amgen Inc. | $23.16 | 1 |
| Pfizer Inc. | $21.66 | 1 |
What the 2025 payments were for
- Food and Beverage$246.32 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 19 surgical physician assistants in Worcester · All surgical physician assistants in Massachusetts