Christopher Biernacki, PAC
NPI 1114985736ActiveIndividual· Physician Assistant· Pittsfield, MA
Physician Assistant (PAC) with The Brien Center for Mental Health and Substance Abuse Services Inc, practicing in Pittsfield, Massachusetts. Their prescriptions cost Medicare Part D more than their services did: $1,035,426 for 8,447 claims, against $39,692 paid for services in 2024. Lists Berkshire Medical Center as a hospital affiliation.
Overview
| NPI | 1114985736 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | No |
| NPI issued | May 3, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 1943 | MA |
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 - Physician Assistant (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 233 |
|---|---|
| Services billed | 726 across 6 procedure codes |
| Paid by Medicare | $39,692 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,447 · 10,926 30-day fills |
|---|---|
| Patients | 365 |
| Total drug cost | $1,035,426 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- The Brien Center for Mental Health and Substance Abuse Services IncPittsfield, MA · 34 clinicians
Hospital affiliation
- Berkshire Medical CenterPittsfield, MA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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