⚠️

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 →

Zheng-Gang ZhangM.D.

Internal Medicine · San Jose, CA 95112

NPI: 1467554071

Share:

20

🟡 Moderate

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

Exclusion type: 1128(a)(1) — Felony Conviction · Date: 03/20/2023 · State: NV

Risk Flags

OIG Excluded Provider

Risk indicators are statistical patterns, not allegations. Learn more

104

Total Claims

$10K

Drug Cost

23

Beneficiaries

$438

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. 110,156 Internal Medicine providers

-69%

Cost per patient vs peers

$438 vs $1,411 avg

+54%

Brand preference vs peers

16.3% vs 10.6% 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

84% generic

Brand: 17 claims · $7,963

Generic: 87 claims · $2,116

Patient Profile

82

Avg Age

48%

Female

2.00

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