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Dr. Corey Warner, MD

Internal Medicine* Age 56
Dr. Corey Warner, MD
4.5 (38 Ratings)

Offers telehealth

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Dr. Corey Warner, MD is an Internist in Hidden Valley Lake, CA.
Dr. Corey Warner, MD
4.5 (38 Ratings)
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Dr. Corey Warner, MD

Internal Medicine* Age 56
Hidden Valley Lake, CA
Accepting new patients
27 years of experience

Offers telehealth

Dr. Corey Warner, MD is an Internist in Hidden Valley Lake, CA.

About

Dr. Warner graduated from Oregon Health & Science University in 1997 and completed a residency at Legacy Emmanuel Hospital and Medical Center.Dr. Corey Warner, MD is an Internist in Hidden Valley Lake, CA and has 27 years experience. Dr. Warner currently practices at Practice and are affiliated with Adventist Health Clear Lake, Adventist Health St. Helena, Adventist Health Ukiah Valley and Sutter Lakeside Hospital. Dr. Warner has experience treating conditions like Malaise and Fatigue, Dyslipidemia and Limb Pain among other conditions at varying frequencies. At present, Dr. Warner received an average rating of 4.5/5 from patients and has been reviewed 38 times. Dr. Warner's office accepts new patients and telehealth appointments. Dr. Warner is board certified in Internal Medicine and accepts multiple insurance plans.

Offers Telehealth

This provider offers telehealth appointments. Call the office to schedule.

Explains Conditions Well

Patients said this doctor explains conditions well.

Trustworthy

Patients said this doctor is trustworthy.

Friendly Staff

Patients said the staff was friendly.

Easy Scheduling

Patients said scheduling was easy.

Experience Check

Enter a condition or procedure
Malaise and Fatigue
Dyslipidemia
Limb Pain
Malaise and Fatigue
Dyslipidemia
Limb Pain
All Headaches (incl. Migraine)
Joint Pain
Muscle Cramping
Nausea
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Shortness of Breath
Thrush
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Constipation
Diabetes Type 2
Muscle Spasm
Osteopenia
Tobacco Use Disorder
Thyroid Hormone Replacement
Acute Upper Respiratory Infection
Adrenal Gland Diseases
Anal or Rectal Pain
Asphyxia and Hypoxemia
Autoimmune Thyroid Diseases
Autoimmune Thyroiditis
Bedwetting
Calcium Metabolism Disorders
Common Cold
Dehydration
Diabetes Type 1
Diabetes With Renal Manifestations
Diabetic Polyneuropathy
Fever
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Foot Infection
Gynecomastia
Hashimoto's Disease
Herpes Zoster Without Complication
Hypercalcemia
Hyperlipidemia
Hypoglycemia
Hypokalemia
Hyposmolality and Hyponatremia
Hypothyroidism
Ingrown Nail
Intestinal Diverticulitis
Leg and Foot Ulcers
Lipid Disorders
Lipoprotein Disorders
Menstrual Disorders
Mineral Metabolism Disorders
Nail Infection
Non-Alcoholic Fatty Liver Disease
Obesity
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Osteoporosis
Perimenopause
Peripheral Edema
Pharyngitis
Polycystic Ovarian Syndrome
Sleep-Related Leg Cramp
Strep Throat
Throat Pain
Thyroid Atrophy
Thyroid Cyst
Thyroid Nodule
Thyroiditis
Urinary Incontinence
Urinary Tract Infection (UTI)
Venous Embolism and Thrombosis
Vitamin B Deficiency
Vitamin D Deficiency
Vitamin_Deficiency
Arterial Blood Gas Test (ABG)
Electrocardiogram (EKG)
Fecal Occult Blood Test for Colorectal Cancer
Immunization Administration
Wellness Examination
Abdominal Pain
Abnormal Thyroid
Achilles Tendinitis
Acidosis
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Acne
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Actinic Keratosis
Acute Bronchitis
Acute Deep Vein Thrombosis (DVT)
Acute Laryngitis
Acute Lower Respiratory Infection
Acute Pharyngitis
Acute Sinusitis
Acute Tonsillitis
Acute Venous Embolism Thrombosis
ADHD and-or ADD
Adhesive Capsulitis Shoulder
Administrative Physical
Adrenal Incidentaloma
Adrenal Insufficiency
Adult Failure to Thrive
Alkalosis
All Types of Food Poisoning
Allergic Conjunctivitis
Allergic Rhinitis
Anaphylaxis
Anemia
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Animal Allergies
Ankle Sprains and Strains
Anosmia
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Anxiety
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Arthritis
Arthritis of the Elbow
Arthritis of the Neck
Asthma
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Asymptomatic Post-Menopausal Status
Ataxia
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Atherosclerosis
Athlete's Foot
Atopic Dermatitis (Eczema)
Atrophic Vaginitis
Back Pain
Balanoposthitis
Bedsores
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Benign Chronic Pain Syndrome
Benign Pituitary Gland Tumor
Black Hairy Tongue
Bladder Infection
Blepharitis
Blood in Urine (Hematuria)
Boil
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Bronchiectasis
Bronchitis
Bronchospasm
Bruise of Face, Scalp, or Neck
Bunion
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Burn Injuries
Bursitis
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Cachexia
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Candidiasis of Skin and Nails
Canker Sore
Carcinoid Syndrome
Carpal Tunnel Syndrome
Celiac Disease
Cellulitis
Chest Pain
Chest Wall Pain Syndrome
Chronic Deep Vein Thrombosis (DVT)
Chronic Depression (Dysthymia)
Chronic Fatigue Syndrome
Chronic Neck Pain
Chronic Pain
Chronic Prostatitis
Chronic Sinusitis
Chronic Thyroiditis
Cluster Headache
Coccygeal Pain
Cold Sore
Conduct Disorder
Confusion
Congestive Heart Failure
Contact Dermatitis
COPD (Chronic Obstructive Pulmonary Disease)
Cough
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Cushing's Syndrome
Deep Vein Thrombosis (DVT)
Depression
Depressive Disorders
Dermatitis Due to Drugs
Dermatitis Due to Substances Taken Internally
Diabetes
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Diabetic Ketoacidosis
Diaper Rash
Diarrhea
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Difficulty With Walking
Dizziness
Down Syndrome
Dry Eyes
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Dry Skin
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Dysentery
Dysphagia
Ear Ache
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Earwax Buildup
Eczema and Contact Dermatitis
Emphysema
Endocrine Gland Cancer
Enlarged Prostate (BPH)
Enteritis
Esophagitis
Essential Tremor
Excessive Menstrual Bleeding
Excessive Sweating
Familial Hypercholesterolemia
Fever-Induced Seizure
Fibromyalgia
Folic Acid Deficiency
Folliculitis
Food Poisoning
Foot Sprain
Gait Abnormality
Ganglion Cyst
Gas-Bloat Syndrome
Gastritis
Gastroesophageal Reflux Disease (GERD)
Gastroparesis
Genital Herpes
Goiter
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Gout
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Graves' Disease
Hair Loss
Hammer Toe
Headache
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Heart Attack (Acute Myocardial Infarction)
Heart Disease
Heart Palpitations
Heartburn
Hemochromatosis
Hemorrhoids
Hernia
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Herpes Simplex Infection
Hidradenitis
High Cholesterol
Hip Pointer
Hip Sprain
Hives
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Human Immunodeficiency Virus (HIV)
Hydrocele
Hyperaldosteronism
Hyperchylomicronemia
Hyperkalemia
Hyperparathyroidism
Hypertension
Hyperthyroidism
Hypogonadism
Hypoparathyroidism
Hypotension
Hypotension (Excluding Maternal)
Hypothalamus Cancer
Hypoxemia
Indigestion
Influenza (Flu)
Injuries
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Insomnia
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Interstitial Cystitis
Intertrigo
Intestinal Diverticulosis
Iron Metabolism Disorders
Irritable Bowel Syndrome
Itchy Skin
Jock Itch
Juvenile Chronic Arthritis
Kidney Stone Pain (Renal Colic)
Knee Sprain
Lactose Intolerance
Laryngitis
Lateral and Medial Epicondylitis (Tennis and Golf Elbow)
Leukocytopenia
Limb Swelling
Limb Swelling Caused by Fluid Overload
Lipedema
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Liver Damage from Alcohol
Low Back Pain
Magnesium Metabolism Disorders
Malnutrition
Mastodynia
Menopausal and Postmenopausal Disorders
Migraine
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Moles (Benign Skin Lesions)
Mood Disorders (Dysthymia and Cyclothymia)
Morbid Obesity
Motion Sickness
Multiple Endocrine Neoplasia
Muscle Weakness
Mycobacterial Lung Infection
Nail and Nail Bed Infection
Nasopharyngitis
Neck Strain (incl. Whiplash Injury)
Neuroendocrine Tumors
Neurogenic Bladder
Nighttime Urination (Nocturia)
Noninfectious Gastroenteritis and Colitis
Nosebleed
Onychogryphosis
Onychomycosis
Osteoarthritis
Osteoarthritis of Foot
Osteoarthritis of Hand
Osteoarthritis of Hand or Wrist
Osteoarthritis of Hip
Osteoarthritis of Hip and Thigh
Osteoarthritis of Knee
Osteoarthritis of Shoulder
Osteoarthritis of Spine
Otitis Media
Outer Ear Infection
Overactive Bladder
Overweight
Painful Urination (Dysuria)
Pap Smear Abnormalities
Parathyroid (Gland) Disease
Patellofemoral Pain Syndrome (PFPS)
Peptic Ulcer
Pericardial Disease
Peripheral Arterial Disease of Extremities
Peripheral Nerve Disorders
Phimosis
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Phlebitis and Thrombophlebitis
Pinkeye (Conjunctivitis)
Pituitary Gland Cancer
Pituitary Tumor
Plantar Fasciitis
Plantar Wart
Pneumonia
Poison Ivy, Poison Oak, or Poison Sumac Poisoning
Pollen Allergy
Polymyalgia Rheumatica (PMR)
Polyneuropathy
Polyuria
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Postnasal Drip
Primary Hyperparathyroidism
Prostatitis
Proteinuria
Purpura
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Radiculopathy
Rash
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Raynaud's Disease
Reflux Esophagitis
Restless Leg Syndrome
Rhabdomyolysis
Ringworm
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Rocky Mountain Spotted Fever
Rosacea
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Salivary Gland Stones and Inflammation
Scabies
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Sciatica
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Sebaceous Cysts
Seborrheic Dermatitis
Secondary Diabetes Mellitus
Secondary Hypertension
Secondary Renovascular Hypertension
Sexually Transmitted Diseases (STDs)
Shingles
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Shoulder Tendinitis and Tenosynovitis
Sinus Bradycardia
Sinus Tachycardia
Sinusitis
Skin Ulcer
Sleep Apnea
Speech, Language and Learning Disorders
Sprains and Strains (incl. Muscle Tear)
Stye
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Subacute Thyroiditis
Sunburn
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Swine Flu
Symptomatic Menopause
Syncope
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Tension Headache
Testicular Dysfunction
Thyroid Cancer
Thyroid Goiter
Thyrotoxicosis
Thyrotoxicosis Factitia
Tinnitus
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Tobacco Withdrawal
Tonsillitis
Torticollis
Transient Ischemic Attack (TIA)
Tremor
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Trigeminal Neuralgia
Urinary Stones
Vaginitis or Vaginosis
Valley Fever
Venous Compression
Venous Insufficiency
Vertigo
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Viral Enteritis
Viral Hepatitis
Viral Infection
Vitamin B12 Anemia
Vitamin B12 Deficiency
Warts
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Wheezing
  • View other providers who treat Wheezing
Wrist Sprain or Strain
Yeast Infections
Abscess or Cyst Drainage or Aspiration
Abscess or Fluid Incision and Drainage
ACTH (Cosyntropin) Stimulation Test
Advance Directive End of Life Planning
Alcohol Misuse Screening and Counseling
Alcohol or Substance Misuse Screening and Counseling
Anemia and Iron Deficiency Screening
Arrhythmia Screening
Bacteriuria Screening
Blood Allergy Testing
Bone Density Scan
Breast Cancer Screening
Cancer Screening
Cardiac Ultrasound
Cardiovascular Stress Test
Chest Pain Evaluation
Chlamydia Infection Screening
Cholesterol Screening
Dementia Evaluation
Dementia or Depression Screening
Detoxification Evaluation
Dexamethasone Suppression Test
Diabetes Counseling
Diabetes Screening
Diabetic Evaluation
Dipstick Urinalysis
Disability Evaluation
Drug Allergy Testing
Dual-Energy X-Ray Absorptiometry (DEXA) Scan
Dynamic Endocrine Function Test
Dyslexia Assessment
Evaluation and Treatment of Sleep Disorders
Fetal Cardiac Screening
Genetic Screening for Breast Cancer
Geriatric Assessment
Gonorrhea Screening
Health Screening
HeartAware Online Risk Screening
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Herpes Simplex Screening
HIV Screening
Home Sleep Study
Human Papillomavirus DNA Testing
Impairment Rating Evaluation
Independent Educational Evaluation
Joint Fluid Test
Lyme Disease Evaluation
Mammography
McMurray's Test
Melanoma Screening
Memory Evaluation
Menopause Evaluation and Treatment
Mole Evaluation
Oral Glucose Tolerance Test
Osteoporosis Screening
Ovarian Cancer Screening
Pap Smear
Patch Testing
Pre-Operative Evaluation
Pregnancy Test
Prostate Cancer Screening
Prostate Cancer Screening Exam (DRE)
Psychiatric Evaluation
Psychiatric Evaluation - Child and Adolescent
Psychological Evaluation
Psychological Evaluations Prior to Bariatric Surgery
Rapid Flu Test
Sexually Transmitted Infections Screening
Skin Screenings
Skin Testing and Screening
Spinal and Postural Screening
STD Screening
Strep Test
Syphilis Screening
Thyroid Biopsy
Thyroid Nodule Evaluation
Thyroid Scan
Thyroid Screening
Trichomoniasis Screening
Tuberculosis Screening
Ultrasound, Thyroid
Urine Pregnancy Test
Vaccination
Vaginosis Screening
VAP Lipid Testing
Water Deprivation Test
Wheelchair Evaluation
Worker's Compensation Evaluations

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • First Health (Coventry Health Care) PPO
  • Blue High Performance Network EPO
    Bronze 60 SHOP PPO
    Platinum 90 PPO
    Bronze Full 4500 PPO
    Blue Shield of California PPO
    Silver 70 PPO
  • Prudent Buyer Large Group CA PPO
    Prudent Buyer Small Group CA PPO
    Prudent Buyer Individual CA PPO
  • Open Access Plus
    Cigna PPO
  • Advantage Preferred DirectAccess Plus PPO
    Select PPO
    Blue Cross Blue Shield of California PPO
  • Pathway-CA EPO
    Blue Cross CA Anthem High Performance Network
  • CA Healthnet PPO
    CA Employer Group Plans HMO
  • Northern CA Cigna + Oscar Open Access Plus EPO
  • Navigate HMO
    Nexus Open Access
    Options PPO
    Navigate POS
    Choice Plus POS
  • Premium
  • Blue Card PPO
    Blue Card High Performance Network HPN
  • Managed Choice (Open Access) POS
    Elect Choice (Open Access) EPO
    Open Choice PPO
    Premier Care Network Plus - Innovation Health
    Choice Plus POS II

Locations

  1. 1 St. Helena Obstetrics and Gynecology
    18990 Coyote Valley Rd Ste 8, Hidden Valley Lake, CA 95467

Patient Satisfaction

Likelihood to recommend Dr. Warner
4.5
Based on 38 Reviews
5 Stars (33)
4 Stars (0)
3 Stars (0)
2 Stars (1)
1 Star (4)

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Patient Reviews
Oct 23, 2022
He is very interested in my symptoms and provides test and diagnostic skills to access any health problems I may have. His nurses are outstanding and compassionate. I inequitably with no reservations recommend him to my friends and family without hesitation.
Ruthann McCloskey — Oct 23, 2022
See more reviews on Healthgrades
Photo: Dr. Corey Warner, MD
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Dr. Warner's Office & Staff

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  • Staff friendliness and courteousness
  • Total wait time (waiting & exam rooms)

Experience with Dr. Warner

  • Level of trust in provider's decisions
  • How well provider explains medical condition(s)
  • How well provider listens and answers questions
  • Hpends appropriate amount of time with patients

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Telehealth Options
This provider has not specified a telehealth appointment method. Would you still like to make an appointment with Dr. Warner?
Call now to make an appointment
(707) 987-8344

About Me

Specialties*
Internal Medicine
Endocrinology, Diabetes & Metabolism
Family Medicine
Obesity Medicine
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Education

Education

Medical Education
  • Oregon Health & Science University
    1997
Medical Education

Board Certifications

Board Certifications
  • Internal Medicine
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.

Residency

Residency Hospital
  • Legacy Emmanuel Hospital and Medical Center
Residency Hospital
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Warner communicate via email?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Warner offer telehealth services or virtual visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Warner offer an online patient portal?
3 users said yes.
Yes
(3)
No
(0)
Does Dr. Warner have free onsite parking?
6 users said yes.
Yes
(6)
No
(0)
Does Dr. Warner offer weekend visits?
No users said yes.
Yes
(0)
No
(2)
Does Dr. Warner offer evening visits?
1 user said yes.
Yes
(1)
No
(2)
Does Dr. Warner specialize in working with children or adolescents?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Warner specialize in working with seniors?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Warner specialize in couples therapy?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Warner specialize in working with LGBTQ+ community?
No responses yet.
Yes
(0)
No
(0)
Does Dr. Warner accept insurance?
No responses yet.
Yes
(0)
No
(0)

Frequently Asked Questions

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Corey Warner, MD. To arrange an appointment, call the number on Dr. Warner's profile.

Dr. Warner frequently treats the following conditions: Malaise and Fatigue, Dyslipidemia and Limb Pain. See more on Sharecare.

Dr. Corey Warner, MD is affiliated with Adventist Health Clear Lake, Adventist Health St. Helena, Adventist Health Ukiah Valley and Sutter Lakeside Hospital.

Yes, Dr. Corey Warner, MD holds board certification in Internal Medicine.

Hospital Affiliations

  • Adventist Health Clear Lake

    15630 18th Ave, Clearlake, CA

  • Adventist Health St. Helena

    10 Woodland Rd, Saint Helena, CA

  • Adventist Health Ukiah Valley

    275 Hospital Dr, Ukiah, CA

  • Sutter Lakeside Hospital

    5176 Hill Rd E, Lakeport, CA