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Risk scores are statistical indicators based on prescribing patterns compared to specialty peers. They are NOT allegations of fraud, misconduct, or improper care. Many legitimate medical reasons can explain outlier prescribing.

Read our methodology →

Christopher BiernackiPAC

Physician Assistant · Pittsfield, MA 1201

NPI: 1114985736

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24

🟡 Moderate

ML Fraud Detection Score: 99%

Machine learning model identifies prescribing patterns consistent with confirmed fraud cases. This is a statistical indicator, not an accusation.

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Risk Flags

High antipsychotic prescribing (65+)Opioid + benzodiazepine co-prescriberHigh fills per patient

Risk indicators are statistical patterns, not allegations. Learn more

8,695

Total Claims

$1.3M

Drug Cost

357

Beneficiaries

$3,693

Cost/Patient

Risk Score Breakdown 24/100

Low (0)Moderate (15)Elevated (30)High (50+)
Elderly antipsychotic prescribing+10
Opioid + benzodiazepine combo+8
High fills per patient+3

Score components are additive. Read full methodology

Peer Comparison vs. 109,535 Physician Assistant providers

+414%

Cost per patient vs peers

$3,693 vs $719 avg

+11%

Brand preference vs peers

7.4% vs 6.7% avg

⚠️ Opioid + Benzodiazepine Co-Prescriber

This provider prescribes both opioids and benzodiazepines. The FDA has issued a Black Box Warning about the life-threatening risks of concurrent use.

🔎 Data Overview

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Our machine learning model — trained on 281 confirmed fraud cases — gives this provider a "Very High" fraud-pattern score. All 20 decision trees in our ensemble model agree that this provider's prescribing patterns resemble those of confirmed fraud cases. This is a statistical finding, not an accusation.

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This provider co-prescribes opioids and benzodiazepines — a combination carrying an FDA Black Box Warning due to increased risk of respiratory depression and death. While sometimes clinically necessary, this combination requires careful justification.

Insights generated from CMS data analysis. Statistical patterns are not accusations — always consider clinical context.

Brand vs Generic

93% generic

Brand: 644 claims · $968K

Generic: 8,051 claims · $350K

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Brexpiprazole211$346K
Paliperidone Palmitate78$228K
Aripiprazole347$53K
Lurasidone Hcl23$44K
Cariprazine Hcl22$31K
Risperidone Microspheres13$31K
Quetiapine Fumarate545$27K
Quetiapine Fumarate18$22K
Lurasidone Hcl35$20K
Olanzapine243$15K
Oxcarbazepine310$14K
Quetiapine Fumarate88$12K
Gabapentin571$11K
Duloxetine Hcl12$11K
Clozapine21$11K

Prescribing Profile

62

Unique Drugs

24.0

Anomaly Score

Patient Profile

58

Avg Age

50%

Female

1.19

Avg Risk Score

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Data from CMS Medicare Part D Prescriber Public Use File, 2023. Risk scores are statistical indicators, not allegations of wrongdoing.Methodology · About · Dispute this data