⚠️

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 →

Warren JohnsonM.D., PH.D.

Family Practice · Phoenix, AZ 85028

NPI: 1134168925

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21

🟡 Moderate

Risk Flags

High antipsychotic prescribing (65+)Opioid + benzodiazepine co-prescriber

Risk indicators are statistical patterns, not allegations. Learn more

14,667

Total Claims

$1.1M

Drug Cost

1,192

Beneficiaries

$916

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. 106,889 Family Practice providers

+185%

Opioid rate vs peers

7.4% vs 2.6% avg

-14%

Cost per patient vs peers

$916 vs $1,068 avg

+23%

Brand preference vs peers

11.0% vs 9.0% 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

⚠️

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

7.4%

Opioid Rate

1,079

Opioid Claims

$135K

Opioid Cost

13.6%

Long-Acting Rate

Brand vs Generic

89% generic

Brand: 1,606 claims · $768K

Generic: 12,938 claims · $318K

Top Prescribed Drugs

Drug (Generic)ClaimsCost
Apixaban81$68K
Oxycodone Hcl36$60K
Empagliflozin49$55K
Dapagliflozin Propanediol51$53K
Rivaroxaban28$34K
Oxycodone Myristate25$31K
Semaglutide25$31K
Mirabegron20$20K
Oxymorphone Hcl15$19K
Sitagliptin Phosphate16$17K
Linaclotide21$17K
Budesonide/Formoterol Fumarate24$16K
Insulin Glargine,hum.Rec.Anlog37$15K
Linagliptin22$15K
Insulin Regular, Human12$15K

Prescribing Profile

193

Unique Drugs

$228K

IRA Negotiated Drugs

$58K

GLP-1 Drugs

21.0

Anomaly Score

Patient Profile

74

Avg Age

50%

Female

1.03

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