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Dr. William Karnes Jr, MD

Gastroenterology* Age 70
Dr. William Karnes Jr, MD
4.8 (143 Ratings)

Offers telehealth

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Dr. William Karnes Jr, MD is a Gastroenterologist in Costa Mesa, CA.
Dr. William Karnes Jr, MD
4.8 (143 Ratings)
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Dr. William Karnes Jr, MD

Gastroenterology* Age 70
Costa Mesa, CA
Accepting new patients
40 years of experience

Offers telehealth

Dr. William Karnes Jr, MD is a Gastroenterologist in Costa Mesa, CA.

About

Dr. Karnes Jr graduated from UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS. Dr. William Karnes Jr, MD is a Gastroenterologist in Costa Mesa, CA and has 40 years experience. Dr. Karnes Jr currently practices at Practice and are affiliated with University of California Irvine Medical Center. Dr. Karnes Jr has experience treating conditions like Constipation and Gastroesophageal Reflux Disease (GERD) among other conditions at varying frequencies. At present, Dr. Karnes Jr received an average rating of 4.8/5 from patients and has been reviewed 143 times. Dr. Karnes Jr' office accepts new patients and telehealth appointments. Dr. Karnes Jr is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Constipation
Duodenal Polypectomy
Gastroesophageal Reflux Disease (GERD)
Constipation
Duodenal Polypectomy
Gastroesophageal Reflux Disease (GERD)
Constipation
Duodenal Polypectomy
Gastroesophageal Reflux Disease (GERD)
Abdominal Pain
Diaphragmatic and Hiatal Hernia
Diarrhea
  • View other providers who treat Diarrhea
Gas-Bloat Syndrome
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Celiac Disease
Colorectal Polyp
Dysphagia
Esophagitis
Nausea
  • View other providers who treat Nausea
Reflux Esophagitis
Unexplained Weight Loss
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Alcoholic Cirrhosis
Anal or Rectal Pain
Anemia
  • View other providers who treat Anemia
Barrett's Esophagus
Chronic Gastritis
Cirrhosis
Crohn's Disease
Dehydration
Duodenal Ulcer
Duodenitis
Enteritis
Eosinophilic Esophagitis
Esophageal Motility Disorders
Esophageal Ulcer
Esophageal Varices
Gallstones
Gastric Ulcer
Gastritis
Gastrointestinal Bleeding
Gastrointestinal Malabsorption
Gastroparesis
Gastroptosis
Heartburn
Hemorrhoids
Hepatitis C
Indigestion
Infectious Diarrheal Disease
Inflammatory Bowel Disease
Intestinal Diverticulitis
Intestinal Diverticulosis
Intestinal Obstruction
Intestinal Ulcer
Irritable Bowel Syndrome
Liver Damage from Alcohol
Malnutrition
Non-Alcoholic Fatty Liver Disease
Noninfectious Gastroenteritis and Colitis
Pancreatitis
Proctoptosis
Rectal Prolapse
Upper Digestive Tract Cancer
Viral Enteritis
Vitamin_Deficiency
Vomiting Disorders
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Alcoholic Fatty Liver
All Types of Food Poisoning
Anal Sphincter Dysplasia
Ascites
  • View other providers who treat Ascites
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Congenital Achalasia
Congenital Anomaly Intestine
Copper Metabolism Disorders
Diffuse Esophageal Spasm
Dysentery
E. coli Food Poisoning
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Familial Adenomatous Polyposis
Hepatitis A
Hepatitis B
Hepatitis B - Immune Response
Hereditary Amyloidosis
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Ileus
  • View other providers who treat Ileus
Intestinal Malabsorption Carbohydrate
Ischemic Colitis
Lactose Intolerance
Liver Abscess
Megacolon
Neoplasm of Gastrointestinal Tract
Pelvic Abscess
Pernicious Anemia
Pouchitis
Rectal Ulcer
Retroperitoneum Cancer
Sclerosing Mesenteritis
Splenomegaly
Stomal Ulcer
Thiamin Deficiency
Ulcerative Colitis
Viral Hepatitis
Vitamin B12 Anemia
Colon Cancer Screening
Colorectal Cancer Screening
Endoscopy
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Function Test
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Insurance Accepted

* Please verify this information when scheduling an appointment.
  • Advantage Preferred DirectAccess Plus PPO
  • Cigna PPO
    Open Access Plus
  • Northern CA Cigna + Oscar Open Access Plus EPO
  • Blue Shield of California
    Bronze Full 4500 PPO
    Platinum 90 PPO
    Platinum Access+ 25 HMO
    Bronze 60 SHOP PPO
    Access Plus HMO
    Silver 70 PPO
  • Blue Card PPO
  • First Health (Coventry Health Care) PPO
  • Curative PPO Plus
    Curative EPO
    Curative PPO
  • Savings Plus of CA EPO
    Premier Care Network Plus - Innovation Health
    Choice Plus POS II
    Open Choice PPO
    Elect Choice (Open Access) EPO
    Managed Choice (Open Access) POS
  • Prudent Buyer Individual CA PPO
    Pathway EPO
    Prudent Buyer Large Group CA PPO
    Prudent Buyer Small Group CA PPO
  • CA Employer Group Plans HMO
    CA Healthnet PPO
  • Medica Choice
    Choice Plus POS
    SignatureValue - CA HMO
    Nexus Open Access
    Options PPO

Locations

  1. 1 Pacific CDDC
    1640 Newport Blvd Ste 350, Costa Mesa, CA 92627
    Icon Directions Right Arrow Directions Phone Icon (888) 717-4463
  2. 2 UCI Medical Center
    101 The City Dr S, Orange, CA 92868
    Icon Directions Right Arrow Directions Phone Icon (888) 717-4463
  3. 3 Gottschalk Medical Plaza-Dermatology
    1 Uci, Irvine, CA 92697
    Icon Directions Right Arrow Directions Phone Icon (949) 824-8600
    Monday
    08:00 - 17:00
    Tuesday
    08:00 - 17:00
    Wednesday
    08:00 - 17:00
    Thursday
    08:00 - 17:00
    Friday
    08:00 - 17:00
    Saturday
    Closed
    Sunday
    Closed

Patient Satisfaction

Likelihood to recommend Dr. Karnes Jr
4.8
Based on 143 Reviews
5 Stars (131)
4 Stars (6)
3 Stars (1)
2 Stars (2)
1 Star (3)

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Patient Reviews
May 21, 2024
Just a first consoltation, but I left with complete confidence in doctors and staff.
— May 21, 2024
See more reviews on Healthgrades
Photo: Dr. William Karnes Jr, MD
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Dr. Karnes Jr' Office & Staff

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  • Staff friendliness and courteousness
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Experience with Dr. Karnes Jr

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  • How well provider explains medical condition(s)
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Telehealth Options
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Call now to make an appointment
(888) 717-4463

About Me

Specialties*
Gastroenterology
Internal 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
  • UNIVERSITY OF MINNESOTA / SAINT PAUL CAMPUS
    1984
Medical Education

Board Certifications

Board Certifications
  • Gastroenterology and 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.
Common Questions and Answers
Responses are sourced directly from patients.
Does Dr. Karnes Jr communicate via email?
2 users said yes.
Yes
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Does Dr. Karnes Jr offer telehealth services or virtual visits?
1 user said yes.
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Does Dr. Karnes Jr offer an online patient portal?
3 users said yes.
Yes
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Does Dr. Karnes Jr have free onsite parking?
2 users said yes.
Yes
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Does Dr. Karnes Jr offer weekend visits?
1 user said yes.
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No
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Does Dr. Karnes Jr offer evening visits?
1 user said yes.
Yes
(1)
No
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Does Dr. Karnes Jr specialize in working with children or adolescents?
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Does Dr. Karnes Jr specialize in working with seniors?
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Does Dr. Karnes Jr specialize in couples therapy?
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Does Dr. Karnes Jr specialize in working with LGBTQ+ community?
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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. William Karnes Jr, MD. To arrange an appointment, call the number on Dr. Karnes Jr' profile.

Dr. Karnes Jr frequently treats the following conditions: Constipation and Gastroesophageal Reflux Disease (GERD). See more on Sharecare.

Dr. William Karnes Jr, MD is affiliated with University of California Irvine Medical Center.

Yes, Dr. William Karnes Jr, MD holds board certification in Gastroenterology and Internal Medicine.

Hospital Affiliations

  • University of California Irvine Medical Center

    101 City Dr, Orange, CA