Christopher Biernacki, PAC

Primary specialty

Physician AssistantTaxonomy code 363A00000X

License

1943 Issued in MA

Practice address

725 North St
Psychiatry Unit
Pittsfield, MA 01201

Phone

(413) 447-2000

Fax

(413) 496-6836

NPI assigned

May 3, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in MA

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Physician Assistant

Education

Other, 2002

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

The Brien Center for Mental Health and Substance Abuse Services IncGroup PAC ID 7214907906, 31 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Berkshire Medical Center Hospital, Pittsfield, MA, CCN 220046

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• The Brien Center for Mental Health and Substance Abuse Services Inc.

  • Mental Health Clinic/Center (Including Community Mental Health Center)
  • Pittsfield, MA
  • NPI 1518984251
  Medicare reassignment Care Compare group
• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Medicare reassignment NPD
• Berkshire Medical Center Inc.

  dba Berkshire Community Pharmacy of North Adams

  • Community/Retail Pharmacy
  • North Adams, MA
  • NPI 1932649753
  NPD
• Fairview Hospital

  dba East Mountain Medical

  • Rural Health Clinic/Center
  • Great Barrington, MA
  • NPI 1881252286
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Berkshire Medical Center, Inc

  • General Acute Care Hospital
  • Pittsfield, MA
  • NPI 1295765261
  Care Compare affiliation

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1146614400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1114985736",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "725 NORTH ST",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "01201",
            "telephone_number": "413-447-2752",
            "fax_number": "413-496-6836"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "725 NORTH ST",
            "address_2": "PSYCHIATRY UNIT",
            "city": "PITTSFIELD",
            "state": "MA",
            "postal_code": "01201",
            "telephone_number": "413-447-2000",
            "fax_number": "413-496-6836"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BIERNACKI",
        "first_name": "CHRISTOPHER",
        "credential": "PAC",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-03",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363A00000X",
            "taxonomy_group": "",
            "desc": "Physician Assistant",
            "state": "MA",
            "license": "1943",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• BHS Urgent Care Center
• BHS Walk in Care
• Vishal Biala, M.D.
• Marcy Marie Bienvenue, MA
• Michelle Jeanne Bienvenue, LICSW
• Big Y Foods Inc (Big Y Pharmacy #23)
• Jessica Aaran Bijandi
• Emmanuel Bile
• Jessica Anna Bilsky, PA
• Gordon Bird, M.D.

• Physician Assistant in Pittsfield, MA
• Providers in Pittsfield, MA by specialty
• Physician Assistant in Massachusetts

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.