Dr. Corey Warner, MD

Background and affiliations

Gender

Male

Medical school

Oregon Health Sciences University School of Medicine · graduated 1997

Practice group

Adventist Health Clearlake Hospital Inc. · 87 clinicians

Offers telehealth

No

Accepts Medicare assignment

Yes

Practice locations

• 15630 18Th Ave, Clearlake, CA 95422 · (707) 994-6486

Hospital affiliations

• Adventist Health Clearlake · Clearlake, CA · Hospital rating 2/5
• Adventist Health Ukiah Valley · Ukiah, CA · Hospital rating 4/5
• Adventist Health St Helena · Saint Helena, CA · Hospital rating 4/5
• Sutter Lakeside Hospital · Lakeport, CA · Hospital rating 4/5

Medicare quality score (MIPS)

95.8 out of 100 in Medicare’s Merit-based Incentive Payment System for 2024. Medicare Care Compare

Industry payments

In 2025, drug and medical-device companies reported $775 in general payments to Corey Warner (29 payments). Largest: Novo Nordisk Inc ($229); ABBVIE INC. ($196); Neurocrine BioSciences, Inc. ($93.67). Reported under the federal Open Payments program.

Insurance

• Accepts Medicare assignment.