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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 →

John GreagerMD

General Surgery · Lombard, IL 60148

NPI: 1427164722

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20

🟡 Moderate

🚫 This provider appears on the OIG List of Excluded Individuals/Entities (LEIE)

Exclusion type: 1128(a)(1) — Felony Conviction · Date: 04/18/2024 · State: IL

Risk Flags

OIG Excluded Provider

Risk indicators are statistical patterns, not allegations. Learn more

133

Total Claims

$6,551

Drug Cost

25

Beneficiaries

$262

Cost/Patient

Risk Score Breakdown 20/100

Low (0)Moderate (15)Elevated (30)High (50+)
OIG excluded provider+20

Score components are additive. Read full methodology

Peer Comparison vs. 13,124 General Surgery providers

+4%

Cost per patient vs peers

$262 vs $253 avg

+247%

Brand preference vs peers

17.3% vs 5.0% avg

🔎 Data Overview

🚫

This provider appears on the federal OIG exclusion list, meaning they have been formally barred from participating in federal healthcare programs due to fraud, patient abuse, licensing issues, or other misconduct. The fact that they still appear in active prescribing data is a significant concern.

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

Brand vs Generic

83% generic

Brand: 23 claims · $3,358

Generic: 110 claims · $3,192

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Levothyroxine Sodium16$185

Prescribing Profile

1

Unique Drugs

20.0

Anomaly Score

Patient Profile

76

Avg Age

56%

Female

1.21

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