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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

CHRISTOPHER BIERNACKI PAC
NPI 1114985736
Physician Assistant in Pittsfield, MA

Active since May 03, 2006PECOS Enrolled
725 NORTH ST, PSYCHIATRY UNIT, PITTSFIELD, MA 01201(413) 447-2000(413) 496-6836 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Christopher Biernacki Pac NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CHRISTOPHER BIERNACKI PAC (NPI 1114985736) is an individual physician assistant in Pittsfield, Massachusetts, licensed in Massachusetts (1943) and active in the NPI registry since May 2006. He is enrolled in Medicare PECOS, is affiliated with Berkshire Medical Center, and is a graduate of Other (2002).

NPPES Registry Identity

NPI1114985736
Entity TypeIndividualMale
Primary Taxonomy363A00000X
Provider Legal NameCHRISTOPHER BIERNACKICredential: PAC
Location Address725 NORTH ST, PSYCHIATRY UNITPittsfield, MA 01201
Mailing Address725 North StPittsfield, MA 01201 · (413) 447-2752 · Fax (413) 496-6836
Phone(413) 447-2000
Fax(413) 496-6836
Sole ProprietorNo
Medical School CMSOtherGraduated 2002
Enumeration DateMay 3, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1114985736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
License✔ Licensed in MA · 1943
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
725 NORTH ST, Pittsfield, MA 01201
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Christopher Biernacki Pac is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID4486674843
PECOS Enrollment IDI20051130000242
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
682 services222 patients
Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
19 services12 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Berkshire Medical Center

Acute Care Hospitals · Pittsfield, MA
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number220046
Location725 North StreetPittsfield, MA 01201 · Berkshire County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JASON G. TOUHEY D.O.
Internal Medicine
725 NORTH ST
PITTSFIELD, MA 01201
Berkshire County (413) 496-6820
PATRICK CHAMBERS
Emergency Medicine
725 NORTH ST
PITTSFIELD, MA 01201
Berkshire County (413) 447-2000
GRACE L KLANDERUD MD
Emergency Medicine
725 NORTH ST
PITTSFIELD, MA 01201
Berkshire County (413) 496-6820
RONIEL M. SANTOS D.O.
Emergency Medicine
725 NORTH ST, BERKSHIRE MEDICAL CENTER EMERGENCY DEPT
PITTSFIELD, MA 01201
Berkshire County (413) 447-2000
DR. HERBERT DAVID ROD DDS
Dentist
725 NORTH ST, DEPARTMENT OF DENTISTRY
PITTSFIELD, MA 01201
Berkshire County (413) 447-2781
RAYMOND G SOHL MD
Anesthesiology
725 NORTH ST, BERKSHIRE MEDICAL CENTER
PITTSFIELD, MA 01201
Berkshire County (413) 447-2555
DANIEL M DOYLE MD
Internal Medicine (Pulmonary Disease)
725 NORTH ST, PULMONARY MEDICINE
PITTSFIELD, MA 01201
Berkshire County (413) 447-2695
RENE AILLON
Anesthesiology
725 NORTH ST
PITTSFIELD, MA 01201
Berkshire County (413) 447-2555

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Christopher Biernacki's NPI number?

The NPI number for Christopher Biernacki is 1114985736. It was assigned to this individual provider in the NPPES registry on May 3, 2006.

Where is Christopher Biernacki located?

Christopher Biernacki practices at 725 North St Psychiatry Unit, Pittsfield, MA 01201. The listed phone number is (413) 447-2000.

What is Christopher Biernacki's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Christopher Biernacki enrolled in Medicare?

Yes. Christopher Biernacki is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Christopher Biernacki affiliated with any hospitals?

According to CMS data, Christopher Biernacki is affiliated with Berkshire Medical Center.

When was this NPI record last updated?

The NPPES record for Christopher Biernacki was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.