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Corey Marcell Warner

Corey Marcell Warner, MD

Internal Medicine

Affiliated Provider
Online Booking
Video Visit
Need help scheduling? Call 707-987-8344

Ages Seen

  • Adult 21-65
  • Older Adult >65

Languages

  • English

Gender

Male

About Corey Marcell Warner

About The Provider

Dr. Warner brings more than 17 years of experience helping patients to get and stay healthy. He brings considerable expertise and training. He earned his medical degree from Oregon Health Sciences University in Portland, Oregon and completed his residency in internal medicine at Legacy Emanuel Hospital and Health Center in Portland, Oregon. He is board certified by the American Board of Internal Medicine. Dr. Warner has a very successful practice in Hidden Valley Lake where he has helped literally thousands of patients to stay healthy. He has a strong passion for helping patients to lose weight as a first defense for prevention of disease.

Provider Type

Physician

Locations

  1. Primary Care, Specialty Care: Adventist Health Clear Lake
    • 18990 Coyote Valley Road, Suite 10, Hidden Valley Lake, CA 95467
    • Get Directions

    Expertise

    Education

    Oregon Health & Science University

    Medical School

    Legacy Emanuel Hospital and Medical Center

    Residency Program

    Board Certifications

    Internal Medicine

    American Board of Medical Specialties, 2017

    Insurance

    Please contact the practice directly to confirm your health plan is accepted.
    Search plans
    • Aetna
    • AH Employee/ Incentive Health
    • Anthem Blue Cross
    • Blue Shield
    • Cigna
    • Coventry
    • Galaxy
    • HealthNet
    • HealthSmart
    • Medi-cal ORP1
    • Medicare AHCL Part B
    • Medicare AHPN Part B Overlay
    • Network by Design
    • Partnership (Under Hospital TIN)
    • PFMC
    • Tricare
    • TriWest
    • TRPN
    • UHC
    • Western Growers

    Ratings & Reviews

    4.9 out of 5

    510 ratings, 55 reviews

    The provider star rating is calculated using patient responses to the five care provider questions in our patient satisfaction survey. Below you can see the provider’s star rating and the number of his or her patients who have provided feedback.

    Provider explained things clearly
    Average provider Provider explained things clearly rating 4.9 out of 5 stars
    Provider showed concern
    Average provider Provider showed concern rating 4.9 out of 5 stars
    Provider included you in decisions
    Average provider Provider included you in decisions rating 4.8 out of 5 stars
    Likelihood of recommending this provider
    Average provider Likelihood of recommending this provider rating 4.9 out of 5 stars
    Provider discussed treatment options
    Average provider Provider discussed treatment options rating 4.8 out of 5 stars
    Search reviews
      5 out of 5 stars
      Reviewed on 1/16/2025

      Dr Warner is the best..he listens, he shows concern, he puts plans into action

      5 out of 5 stars
      Reviewed on 1/10/2025

      Dr Warner is exceptional. He recommended some weight loss medication for which I'm immensely grateful.

      5 out of 5 stars
      Reviewed on 1/10/2025

      Always refer him.

      5 out of 5 stars
      Reviewed on 1/8/2025

      Dr Warner is one of my favorite doctors of all time and I'm 72 years young.

      5 out of 5 stars
      Reviewed on 12/25/2024

      Very good caring environment in the office

      5 out of 5 stars
      Reviewed on 12/24/2024

      Dr. Warner is warm and caring.

      5 out of 5 stars
      Reviewed on 12/11/2024

      Doctor was very caring and respectful.

      5 out of 5 stars
      Reviewed on 12/10/2024

      He quickly knew my problem, after checking my symptoms and I left with a prescription. So glad I went to him when I did.

      5 out of 5 stars
      Reviewed on 12/6/2024

      I like my Dr No bad experiences

      5 out of 5 stars
      Reviewed on 12/6/2024

      Excellent service!

      5 out of 5 stars
      Reviewed on 11/26/2024

      Dr. Warner is an excellent doctor.

      5 out of 5 stars
      Reviewed on 11/22/2024

      Dr. Warner is the best

      5 out of 5 stars
      Reviewed on 11/22/2024

      Dr warner very kind helpful

      5 out of 5 stars
      Reviewed on 11/21/2024

      Dr. Warner is extremely knowledgeable, thorough & kind.

      5 out of 5 stars
      Reviewed on 11/19/2024

      I have not one negative thing to say about Dr. Warner! As far as I am concerned he is the BEST! He's professional, shows he is concerned about his patient's well being! If you have a health issue, he's going to figure out what it is. He's the real deal.. Thankful I have him as my doctor!

      5 out of 5 stars
      Reviewed on 11/7/2024

      Dr. Warner is the best. He knows his patients and is very knowledgeable.

      5 out of 5 stars
      Reviewed on 11/4/2024

      Dr Warner is very good at explaining things in a way that's easy to understand and informative. He is empathetic and positive.

      5 out of 5 stars
      Reviewed on 11/4/2024

      Great provider. Absolutely trust in him

      5 out of 5 stars
      Reviewed on 11/2/2024

      Dr Warner answered all of my questions and was proactive in sharing his thoughts on how to proceed. He took time to explain the situations and made me feel special.

      5 out of 5 stars
      Reviewed on 11/2/2024

      I've always had a caring experience

      5 out of 5 stars
      Reviewed on 10/21/2024

      Very professional

      5 out of 5 stars
      Reviewed on 10/17/2024

      Dr. Warner is amazing. Very thorough, nonjudgmental, and helpful.

      5 out of 5 stars
      Reviewed on 10/2/2024

      I've recommended Dr Warner since my first visit

      5 out of 5 stars
      Reviewed on 9/22/2024

      Dr. Warner is always thorough & kind, responsive to needs & questions.

      5 out of 5 stars
      Reviewed on 9/20/2024

      Dr. Warner is awesome.

      5 out of 5 stars
      Reviewed on 9/13/2024

      Dr. Warner is the best doctor I have ever gone to. I will never go to another doctor but him.

      5 out of 5 stars
      Reviewed on 8/31/2024

      Dr Warner is great.

      5 out of 5 stars
      Reviewed on 8/30/2024

      Doctor Warner did the utmost to help me with my injury, thank you.

      5 out of 5 stars
      Reviewed on 8/28/2024

      Dr Warner is awesome. He's very caring and always has a warm smile.

      5 out of 5 stars
      Reviewed on 8/22/2024

      All my concerns were answered & I felt very cared for by Dr Warner

      5 out of 5 stars
      Reviewed on 8/21/2024

      Dr Warner will always receive recommendations when I know of someone in need searching for a Doctor

      5 out of 5 stars
      Reviewed on 8/6/2024

      Dr. Warners practice organization should be duplicated in all Adventist offices

      5 out of 5 stars
      Reviewed on 8/1/2024

      I love Dr. Warner. Good person.

      5 out of 5 stars
      Reviewed on 7/24/2024

      I find Dr. Warner to be a good physician.

      5 out of 5 stars
      Reviewed on 7/10/2024

      I came as a follow up to an ED visit and Dr. Warner had read the visit info and was prepared to follow up with me. He made me feel like he really cares about me as a person and his patient.

      5 out of 5 stars
      Reviewed on 6/23/2024

      Dr. Warner was wonderful. I had just lost my husband and I was a mess. He was kind, patient and compassionate and dealt with all my ailments. He went above and beyond to make an awful situation bearable.

      5 out of 5 stars
      Reviewed on 6/21/2024

      Wonderful doctor

      5 out of 5 stars
      Reviewed on 6/12/2024

      Very happy with Dr Warner. Very confused about my health.

      5 out of 5 stars
      Reviewed on 6/7/2024

      Great Doctor Warner

      5 out of 5 stars
      Reviewed on 5/16/2024

      I always felt very well cared for & listen to, all my needs have always been met!!

      5 out of 5 stars
      Reviewed on 5/15/2024

      Dr Warner is a great listener and very patient

      5 out of 5 stars
      Reviewed on 5/8/2024

      Dr Warner is always very attentive and understanding

      5 out of 5 stars
      Reviewed on 5/1/2024

      I am always impressed with the level of care provided!

      5 out of 5 stars
      Reviewed on 5/1/2024

      Dr. Warner is so pleasant and very professional. He actually listens to what you tell him!!! We love this practice

      5 out of 5 stars
      Reviewed on 4/26/2024

      We are so fortunate to have a doctor of Dr. Warner's caliber in our community.

      5 out of 5 stars
      Reviewed on 4/25/2024

      Good listener

      5 out of 5 stars
      Reviewed on 4/17/2024

      Best bedside manner I have ever experienced

      5 out of 5 stars
      Reviewed on 4/14/2024

      Very professional

      5 out of 5 stars
      Reviewed on 4/5/2024

      Dr Warner is the best makes sure I have any info I need

      5 out of 5 stars
      Reviewed on 4/1/2024

      Very good experience.

      5 out of 5 stars
      Reviewed on 4/1/2024

      I was very impressed with how quickly I was diagnosed & treated.

      5 out of 5 stars
      Reviewed on 3/26/2024

      Dr. Warner never loses his composure or professionalism with me, even when I'm being difficult. I find that very impressive.

      5 out of 5 stars
      Reviewed on 3/15/2024

      Dr. Warner talked with me about progress and future needs to continue on my health journey. He did a great job of listening to me and letting me know he can be reached or seen at anytime I may need more support or help with my journey. I feel confident that he understands my health needs and concerns and truly believes that as his patient I get to my health goal. His positive attitude and ability to talk/listen makes a true difference.

      5 out of 5 stars
      Reviewed on 3/8/2024

      Dr Warner has always treated me effectively and inclusively.

      5 out of 5 stars
      Reviewed on 3/7/2024

      We couldn't do it with out Cory Warner.