⚠️

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 →

Chang Wen ChenMD

General Practice · Knoxville, TN 37922

NPI: 1033220314

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18

🟡 Moderate

🤖 ML Fraud Detection Score: 94%

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

Learn more →

Risk Flags

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

Risk indicators are statistical patterns, not allegations. Learn more

9,752

Total Claims

$800K

Drug Cost

494

Beneficiaries

$1,619

Cost/Patient

Risk Score Breakdown 18/100

Low (0)Moderate (15)Elevated (30)High (50+)
Opioid + benzodiazepine combo+8
Elderly antipsychotic prescribing+5
High fills per patient+3

Score components are additive. Read full methodology

Peer Comparison vs. 7,389 General Practice providers

+47%

Opioid rate vs peers

3.7% vs 2.5% avg

+44%

Cost per patient vs peers

$1,619 vs $1,128 avg

+13%

Brand preference vs peers

9.5% vs 8.4% 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

🤖

ML fraud detection score of 94% indicates prescribing patterns with significant similarity to confirmed fraud cases. 19 out of 20 decision trees flagged this provider.

⚠️

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.

Opioid Prescribing

3.7%

Opioid Rate

356

Opioid Claims

$5,504

Opioid Cost

Long-Acting Rate

Brand vs Generic

91% generic

Brand: 918 claims · $611K

Generic: 8,765 claims · $183K

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Sitagliptin Phosphate75$98K
Apixaban64$63K
Empagliflozin42$47K
Insulin Glargine,hum.Rec.Anlog62$46K
Dulaglutide32$43K
Insulin Detemir20$32K
Fluticasone/Umeclidin/Vilanter28$30K
Semaglutide12$20K
Cariprazine Hcl13$19K
Linagliptin15$17K
Fenofibrate236$12K
Insulin Aspart22$11K
Linaclotide14$9,893
Insulin Lispro16$7,608
Dexlansoprazole11$6,287

Prescribing Profile

139

Unique Drugs

$219K

IRA Negotiated Drugs

$63K

GLP-1 Drugs

18.0

Anomaly Score

Patient Profile

68

Avg Age

49%

Female

1.16

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.Methodology · About