Christopher Biernacki, PAC - Medicare Physician Assistant in Pittsfield, MA

Christopher Biernacki, PAC is a medicare enrolled "Physician Assistant" in Pittsfield, Massachusetts. He graduated from nursing school in 2002 and has 24 years of diverse experience with area of expertise as Physician Assistant. He is a member of the group practice The Brien Center For Mental Health And Substance Abuse Services Inc and his current practice location is 725 North St, Psychiatry Unit, Pittsfield, Massachusetts. You can reach out to his office (for appointments etc.) via phone at (413) 447-2000.

Christopher Biernacki is licensed to practice in Massachusetts (license number 1943) and he also participates in the medicare program. He accepts medicare assignments (which means he accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance) and his NPI Number is 1114985736.

Contact Information

Christopher Biernacki, PAC
725 North St, Psychiatry Unit,
Pittsfield, MA 01201
(413) 447-2000
(413) 496-6836

Map and Direction




Provider's Profile

Full NameChristopher Biernacki
GenderMale
SpecialityPhysician Assistant
Experience24 Years
Location725 North St, Pittsfield, Massachusetts
Accepts Medicare AssignmentsYes. He accepts the Medicare-approved amount; you will not be billed for any more than the Medicare deductible and coinsurance.
  Medical Education and Training:
  • Christopher Biernacki graduated from nursing school in 2002
  NPI Data:
  • NPI Number: 1114985736
  • Provider Enumeration Date: 05/03/2006
  • Last Update Date: 07/13/2026
  Medicare PECOS Information:
  • PECOS PAC ID: 4486674843
  • Enrollment ID: I20051130000242

Medical Identifiers

Medical identifiers for Christopher Biernacki such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1114985736NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
363A00000XPhysician Assistant 1943 (Massachusetts)Primary

Medical Facilities Affiliation

Facility NameLocationFacility Type
Berkshire Medical Center Inc - 1Pittsfield, MAHospital

Group Practice Association

Group Practice NameGroup PECOS PAC IDNo. of Members
The Brien Center For Mental Health And Substance Abuse Services Inc721490790631

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Christopher Biernacki allows following entities to bill medicare on his behalf.
Entity NameBerkshire Medical Center Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1295765261
PECOS PAC ID: 1355232711
Enrollment ID: O20040324000088
Entity NameThe Brien Center for Mental Health and Substance Abuse Services Inc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1518984251
PECOS PAC ID: 7214907906
Enrollment ID: O20040729000803

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Christopher Biernacki is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Christopher Biernacki, PAC
725 North St,
Pittsfield, MA 01201

Ph: (413) 447-2752
Christopher Biernacki, PAC
725 North St, Psychiatry Unit,
Pittsfield, MA 01201

Ph: (413) 447-2000

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

Our Data: Information on www.medicarelist.com is built using data sources published by Centers for Medicare & Medicaid Services (CMS) under Freedom of Information Act (FOIA). The information disclosed on the NPI Registry are FOIA-disclosable and are required to be disclosed under the FOIA and the eFOIA amendments to the FOIA. There is no way to 'opt out' or 'suppress' the NPPES record data for health care providers with active NPIs.