Christopher M. Biernacki, PA-C

  • Pittsfield, MA
  • Physician assistant
NPI1114985736PAC ID4486674843
Medicare services, 2024
701
Medicare patients, 2024
233
Part D claims, 2024
8,447
Hospital affiliations
1
Medical groups
2
Practice address
725 North Street, Pittsfield, MA 01201
Practice phone
Call (413) 447-2000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Berkshire Medical Center

Hospital · Pittsfield, Massachusetts

See all 3 affiliations

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Christopher M. Biernacki is a physician assistant in Pittsfield, Massachusetts

Christopher Biernacki practices at Berkshire Medical Center in Pittsfield, Massachusetts, part of Berkshire Health Systems.

Christopher Biernacki's NPI, 1114985736, was assigned on May 3, 2006. Christopher Biernacki holds Massachusetts license 1943.

NPI and contact details
Medicare PAC ID
4486674843
NPI enumeration date
May 3, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(413) 447-2000
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Male
Estimated age
50
Medical school graduation
2002

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Christopher M. Biernacki practices at Berkshire Medical Center in Pittsfield, Massachusetts

Christopher Biernacki's primary practice is Berkshire Medical Center, at 725 North Street, Pittsfield, MA 01201 in Berkshire County. The practice phone is (413) 447-2000.

Source: Dmand AI Affiliation Data

Christopher M. Biernacki is affiliated with 1 site of care and 2 medical groups

Christopher Biernacki's primary practice is Berkshire Medical Center in Pittsfield, Massachusetts, part of Berkshire Health Systems. The medical group on file is Berkshire Medical Center. Dmand AI also links Christopher Biernacki to 1 more medical group, named with a free account.

See all 3 affiliations for Christopher Biernacki

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Christopher M. Biernacki's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Christopher Biernacki practices. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Berkshire Medical CenterAvailable with a free account
+1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Christopher M. Biernacki is one of 3,922 physician assistants in Massachusetts

Physician assistant is Christopher Biernacki's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Christopher Biernacki is licensed in Massachusetts.

Specialties and state licenses

  • Physician assistant, MassachusettsPrimaryLicense 1943 · taxonomy 363A00000X

Clinical focus

Dmand AI lists ADHD, adjustment disease, alcohol use disorders, anxiety, bipolar disorder, depression, drug use disorders and intellectual and developmental disabilities among the conditions Christopher Biernacki treats.

Physician assistants near Christopher Biernacki

Counts of physician assistants with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Christopher M. Biernacki billed Medicare for 701 services in 2024

CMS data shows 701 Medicare services from Christopher Biernacki across 1 procedure code in 2024, all of them office visits, for 233 Medicare patients. Medicare paid $38,827 for them.

Medicare services, 2024701
Medicare patients233
Paid by Medicare$38,827
Procedure codes1

Where Christopher Biernacki's Medicare services took place, 2024

  • In an office193%
  • In a facility68297%

Christopher Biernacki compared with the Massachusetts median for physician assistants, 2024

  • Christopher Biernacki
  • Massachusetts median
Medicare services
701vs 43960% above
Medicare patients
233vs 12193% above
Part D claims
8,224vs 33324.7 times

Medians across 2,399 physician assistants in Massachusetts with Dmand AI profiles that report each measure.

Christopher Biernacki's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Christopher M. Biernacki treated 233 Medicare patients in 2024, average age 61

CMS counts 233 Medicare patients who saw Christopher Biernacki in 2024. The largest group is under 65, with 137 patients. 67% of them have mood disorders, and 64% have anxiety. 85% are also on Medicaid. Their average risk score is 1.25, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Christopher Biernacki's median patient age at 48, with 27% women.

Medicare patients, 2024233
Average age61
Average risk score1.25
Also on Medicaid85%

Christopher Biernacki's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Christopher Biernacki's Medicare patients by sex, 2024

  • Women11750%
  • Men11650%

Chronic conditions among Christopher Biernacki's Medicare patients, 2024

  1. Mood disorders67%
  2. Anxiety64%
  3. High blood pressure50%
  4. High cholesterol50%
  5. Depression48%
  6. Bipolar disorder34%
  7. Tobacco use34%
  8. Arthritis30%

Share of Medicare patients with each condition. A patient can have several.

Christopher Biernacki's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 48

Patient panel by sex, all payers

  • Women27%
  • Men73%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Christopher M. Biernacki wrote 8,447 Medicare Part D claims in 2024

In 2024, Christopher Biernacki wrote 8,447 Medicare Part D claims for 365 patients. 94% of them were for generic drugs. CMS names the drug for 8,224 of them, across 77 drugs with 11 or more claims each, at $853,301 in total drug cost.

Part D claims, 20248,447
Drugs named by CMS77
Total drug cost$853,301
Part D patients365

Christopher Biernacki's Part D claims by kind of drug, 2024

  • Generic7,928 claims94%
  • Brand-name519 claims6%

Christopher Biernacki's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Christopher Biernacki's Part D claims, 2024

  • Antipsychotics, patients 65 and over7%630 of 8,447 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

See all prescribing by Christopher Biernacki

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Christopher M. Biernacki offers telehealth to Medicare patients

Christopher Biernacki accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Christopher Biernacki as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Sources for Christopher M. Biernacki's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Christopher M. Biernacki

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Christopher M. Biernacki's NPI number?

Christopher M. Biernacki's NPI number is 1114985736. It was assigned on May 3, 2006, and it is active in the NPI Registry.

What does Christopher M. Biernacki specialize in?

Christopher M. Biernacki is a physician assistant in Pittsfield, Massachusetts. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).

Where does Christopher M. Biernacki practice?

Christopher Biernacki practices at 725 North Street, Pittsfield, MA 01201. Christopher Biernacki's primary practice is Berkshire Medical Center in Pittsfield, Massachusetts, part of Berkshire Health Systems. Dmand AI also links Christopher Biernacki to 1 medical group.

What is Christopher M. Biernacki's office phone number?

The practice phone on file for Christopher Biernacki is (413) 447-2000.

What is Christopher M. Biernacki's medical license number?

Christopher Biernacki holds Massachusetts license 1943.

Which hospitals is Christopher M. Biernacki affiliated with?

Christopher Biernacki practices at Berkshire Medical Center in Pittsfield, Massachusetts.

What medical group is Christopher M. Biernacki part of?

Christopher Biernacki is linked to Berkshire Medical Center. Dmand AI links Christopher Biernacki to 1 more medical group.

Does Christopher M. Biernacki accept Medicare?

Yes. CMS data shows Christopher Biernacki billed Medicare for 701 services in 2024, and Christopher Biernacki accepts Medicare assignment.

Does Christopher M. Biernacki offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Christopher Biernacki as offering telehealth services.

How many Medicare patients does Christopher M. Biernacki see?

CMS counts 233 Medicare patients who saw Christopher Biernacki in 2024, with an average age of 61.

Show 3 more questionsShow fewer questions

What services does Christopher M. Biernacki bill to Medicare?

In 2024, Christopher Biernacki's most billed Medicare services were office visit, established patient (99214).

What drugs does Christopher M. Biernacki prescribe most?

In 2024 Medicare Part D data, Christopher Biernacki's most prescribed drugs by claims were Gabapentin, Quetiapine Fumarate and Trazodone HCl.

How long has Christopher M. Biernacki been practicing?

Christopher Biernacki graduated from medical school in 2002, 24 years ago.

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