⚠️

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 →

John GrevingDO

Internal Medicine · Hannibal, MO 63401

NPI: 1043388036

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26

🟡 Moderate

ML Fraud Detection Score: 88%

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-prescriberExtreme fills per patient

Risk indicators are statistical patterns, not allegations. Learn more

22,095

Total Claims

$2.2M

Drug Cost

473

Beneficiaries

$4,596

Cost/Patient

Risk Score Breakdown 26/100

Low (0)Moderate (15)Elevated (30)High (50+)
Elderly antipsychotic prescribing+10
Opioid + benzodiazepine combo+8
High fills per patient+5

Score components are additive. Read full methodology

Peer Comparison vs. 110,156 Internal Medicine providers

+34%

Opioid rate vs peers

3.0% vs 2.2% avg

+226%

Cost per patient vs peers

$4,596 vs $1,411 avg

+48%

Brand preference vs peers

15.7% 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 88% indicates prescribing patterns with significant similarity to confirmed fraud cases. 18 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

3.0%

Opioid Rate

663

Opioid Claims

$19K

Opioid Cost

9.0%

Long-Acting Rate

Brand vs Generic

84% generic

Brand: 3,438 claims · $1.8M

Generic: 18,463 claims · $406K

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Semaglutide176$215K
Empagliflozin269$180K
Apixaban253$108K
Linaclotide229$108K
Dulaglutide82$83K
Insulin Glargine,hum.Rec.Anlog97$62K
Insulin Lispro60$46K
Insulin Aspart71$44K
Rimegepant Sulfate27$42K
Paliperidone Palmitate12$41K
Mirabegron109$41K
Sitagliptin Phosphate58$40K
Rivaroxaban59$40K
Fluticasone/Umeclidin/Vilanter61$39K
Tirzepatide29$37K

Prescribing Profile

213

Unique Drugs

$425K

IRA Negotiated Drugs

$367K

GLP-1 Drugs

26.0

Anomaly Score

Patient Profile

69

Avg Age

56%

Female

1.66

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