⚠️

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 →

Charles GerlachM.D.

Internal Medicine · Harrisburg, PA 17109

NPI: 1053369447

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21

🟡 Moderate

ML Fraud Detection Score: 84%

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-prescriber

Risk indicators are statistical patterns, not allegations. Learn more

16,165

Total Claims

$1.9M

Drug Cost

1,114

Beneficiaries

$1,718

Cost/Patient

Risk Score Breakdown 21/100

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

Score components are additive. Read full methodology

Peer Comparison vs. 110,156 Internal Medicine providers

+105%

Opioid rate vs peers

4.6% vs 2.2% avg

+22%

Cost per patient vs peers

$1,718 vs $1,411 avg

+6%

Brand preference vs peers

11.3% vs 10.6% 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 84% indicates prescribing patterns with significant similarity to confirmed fraud cases. 17 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

4.6%

Opioid Rate

743

Opioid Claims

$43K

Opioid Cost

9.3%

Long-Acting Rate

Brand vs Generic

89% generic

Brand: 1,812 claims · $1.6M

Generic: 14,204 claims · $333K

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Dulaglutide167$300K
Apixaban200$193K
Empagliflozin110$118K
Linagliptin62$76K
Liraglutide35$76K
Semaglutide49$72K
Sitagliptin Phosphate44$58K
Semaglutide35$48K
Insulin Degludec31$44K
Insulin Glargine,hum.Rec.Anlog34$34K
Rivaroxaban28$30K
Insulin Detemir23$28K
Budesonide/Formoterol Fumarate46$25K
Linaclotide31$25K
Oxycodone Hcl17$22K

Prescribing Profile

177

Unique Drugs

$443K

IRA Negotiated Drugs

$506K

GLP-1 Drugs

21.0

Anomaly Score

Patient Profile

74

Avg Age

56%

Female

1.30

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