4.4
30 Ratings with 8 written Reviews
Summary
Dr. Corey Warner specializes in internal medicine, providing comprehensive care for adult patients with a wide range of health conditions. He earned his medical degree from Oregon Health & Science University School of Medicine and completed his residency training at Legacy Health System. With 29 years of experience in medicine, Dr. Warner brings extensive knowledge to his practice. He communicates with patients in English.
Dr. Warner practices at multiple locations throughout the Hidden Valley Lake and Clearlake areas in California, with his primary affiliation at Adventist Health Saint Helena. He focuses on treating heart-related conditions, including coronary artery disease and heart muscle problems that affect blood flow. His practice includes routine preventive care such as blood work and flu vaccinations to help patients maintain their overall health. Patients have given Dr. Warner an average rating of 4.4 out of 5 stars.
Dr. Warner practices at multiple locations throughout the Hidden Valley Lake and Clearlake areas in California, with his primary affiliation at Adventist Health Saint Helena. He focuses on treating heart-related conditions, including coronary artery disease and heart muscle problems that affect blood flow. His practice includes routine preventive care such as blood work and flu vaccinations to help patients maintain their overall health. Patients have given Dr. Warner an average rating of 4.4 out of 5 stars.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 29 years of experience
- 39 insurance plans accepted
- speaks English
- Legacy Health System
- 8 written reviews
- 1 specialty
- 6 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 5 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Corey Marcell Warner has 5 locationsAdventist Health Clear Lake Medical Office Hidden Valley Lake Behavioral Health
18990 Coyote Valley Rd Ste 10Hidden Valley Lake, CA 95467Mon8:00 am - 6:00 pm
Tue8:00 am - 6:00 pm
Wed8:00 am - 6:00 pm
Thu8:00 am - 6:00 pm
Fri8:00 am - 6:00 pm
SatClosed
SunClosed
Saint Helena Family Health Center Clearlake
15230 Lakeshore DrClearlake, CA 95422 Tel: (707) 995-4500
Mon7:30 am - 7:00 pm
Tue7:30 am - 7:00 pm
Wed7:30 am - 7:00 pm
Thu7:30 am - 7:00 pm
Fri7:30 am - 7:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. Corey Marcell Warner, MD | Rajmeet Mann, MD | Madhav Goyal, MD | Nguyen Nguyen, MD |
| Internal Medicine | Internal Medicine | Internal Medicine | Internal Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 29 Years of Experience | 8 Years of Experience | 29 Years of Experience | 10 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | Speaks English, Spanish | ||
| Hidden Valley Lake , CA | Fairfield , CA | Vacaville , CA | Fairfield , CA |
| Med School: Oregon Health & Science University School Of Medicine | Med School: American University Of Antigua College Of Medicine | Med School: University Of California San Diego School Of Medicine | Med School: St Georges University School Of Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Corey Marcell Warner
Medical Specialties
Dr. Corey Marcell Warner has the following specialty
Specialty Expertise
Dr. Corey Marcell Warner has the following 6 areas of expertise
Certifications, License, & Education
29 Years Experience
Dr. Corey Marcell Warner holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2025.
Education & Training
Residency
Completed their residency at Legacy Health System.
Medical School
Graduated from Oregon Health & Science University School Of Medicine in 1997.
NPI Number
Dr. Warner's NPI number is 1801998968.
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Frequently Asked Questions
- Does Dr. Corey Warner accept my insurance?
- You can see the insurance plans that Dr. Corey Warner accepts on their Vitals profile.
- Is Dr. Corey Warner accepting new patients?
- Dr. Corey Warner is accepting new patients on Vitals. View Dr. Corey Warner's profile on Vitals to make an appointment.
- What languages does Dr. Corey Warner speak?
- Dr. Corey Warner speaks English.
- How can I make an appointment with Dr. Corey Warner?
- You can find contact information for Dr. Corey Warner here on Vitals.
- Which hospitals is Dr. Corey Warner affiliated with?
- Dr. Corey Warner is affiliated with Adventist Health Saint Helena.
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