Christopher Biernacki, PAC
NPI 1114985736 · Physician Assistant · Pittsfield, MA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christopher Biernacki, PAC is a Physician Assistant provider in Pittsfield, MA (NPI 1114985736).
Provider details
- NPI number
- 1114985736
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Male
- License
- 1943 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
20 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
701 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 682 | $83 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 19 | $113 |
Typical Medicare-allowed amounts for these services range $83–$113 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 77 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Gabapentin | 523 | 76 |
| Quetiapine Fumarate | 446 | 75 |
| Trazodone Hcl | 391 | 69 |
| Lamotrigine | 364 | 52 |
| Lorazepam | 328 | 46 |
| Aripiprazole | 314 | 53 |
| Clonazepam | 313 | 33 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-05-03
- Last updated
- 2007-07-08
Frequently asked questions
- What is Christopher Biernacki's NPI number?
- Christopher Biernacki's National Provider Identifier (NPI) is 1114985736, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christopher Biernacki's specialty?
- Christopher Biernacki is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christopher Biernacki located?
- Christopher Biernacki's practice location on file with NPPES is 725 North St, Pittsfield, MA 01201.
- What is Christopher Biernacki's phone number?
- The practice phone number listed in the NPPES registry for Christopher Biernacki is (413) 447-2000.
- Does Christopher Biernacki accept Medicare?
- Christopher Biernacki is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christopher Biernacki's NPI active?
- Yes — Christopher Biernacki's NPI (1114985736) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.