Accepting patients
Affiliated with a Castle Connolly Top Hospital
Who is Dr. Karnes, Gastroenterologist in Orange, CA?
Dr. William Karnes, MD is a Gastroenterologist, who primarily practices in Orange, CA with 1 additional practice location. He is board certified by the American Board of Pathology. Dr. Karnes completed his residency at Brooke Army Medical Center. He is a member of the American Society of Clinical Pathologists, College of American Pathologists, American Medical Association, North Carolina Medical Society, and Mecklenburg County Medical Society. Dr. Karnes is fluent in English and Spanish, and is currently seeing new patients. Dr. Karnes’s practice accepts Kaiser Permanente, Medicaid, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Karnes’s office at (888) 717-4463.
What are Areas of Expertise for Dr. Karnes?
Dr. William Karnes, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Karnes empowers patients to confidently navigate their health journey, specializing in Celiac Disease, Colon Cancer Screening, Colonoscopy, Endoscopy, Esophageal Cancer, Gastroesophageal Reflux Disease (GERD), Gastrointestinal Disorders, Irritable Bowel Syndrome, or comprehensive wellness support. Serving the Orange/CA community, Dr. Karnes is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Karnes go to medical school and complete their residency?
Fellowship: National Naval Medical Center | Bethesda Naval Hospital, Hematopathology, Maryland, USA
Residency: Brooke Army Medical Center
Is Dr. Karnes board certified in Gastroenterologist?
Yes, Dr. William Karnes, MD is board certified by the American Board of Pathology since 2010, American Board of Pathology since 1989
What languages does Dr. Karnes speak?
Dr. Karnes and their clinical team can communicate with patients in the following languages:
English
Spanish
What conditions does Dr. Karnes treat?
As a Gastroenterologist, Dr. Karnes diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Karnes. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Iron Deficiency Anemia
- Iron Deficiency Anemia from Chronic Blood Loss
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
- Anemia due to iron deficiency and blood loss
- Chronic blood loss anemia
- Low iron anemia from bleeding
- Low Red Blood Cell Count
- Low Hemoglobin
- Iron deficiency
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
- D500: Iron deficiency anemia secondary to blood loss (chronic)
- D649: Anemia, unspecified
Also known as:
- Benign Ascending Colon Polyp
- Benign Transverse Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D123: Benign neoplasm of transverse colon
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
Also known as:
- Upper Middle Abdominal Pain
- Abdominal Pain
- Epigastric pain
- Pain below breastbone
- Upper stomach pain
ICD-10 Codes:
- R1013: Epigastric pain
Also known as:
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K3189: Other diseases of stomach and duodenum
Also known as:
- Difficulty Swallowing
- Swallowing Disorder
- Dysphagia
- Trouble swallowing
- Painful swallowing
ICD-10 Codes:
- R1310: Dysphagia, unspecified
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Dark, Tarry Stools (Melena)
- Gastrointestinal Bleeding
- Melena
- Black Stools
- Upper GI Bleed Signs
ICD-10 Codes:
- K921: Melena
Also known as:
- Gastrostomy Care
- Ostomy
- G-tube Care
- Feeding Tube Management
- Stomach Tube Care
ICD-10 Codes:
- Z431: Encounter for attention to gastrostomy
Also known as:
- Other Pre-Procedure Examination
- Various pre-op checks
- Miscellaneous pre-surgery exams
- Other pre-treatment assessments
ICD-10 Codes:
- Z01818: Encounter for other preprocedural examination
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Heartburn
- Acid Reflux
- Indigestion
- GERD Symptoms
ICD-10 Codes:
- R12: Heartburn
Also known as:
- Other Intestinal Condition
- Colonic Disease
- Small Intestine Disorder
- Bowel Conditions
- Gut Problems
- Digestive Issues
ICD-10 Codes:
- K6389: Other specified diseases of intestine
Also known as:
- Gastrostomy
- Ostomy
- Feeding Tube Opening
- Stomach Stoma
- G-tube
ICD-10 Codes:
- Z931: Gastrostomy status
Which procedures does Dr. Karnes perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. William Karnes may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Karnes' office.
Does Dr. Karnes accept my insurance?
Dr. Karnes accepts most major insurance plans. Important: Please call our office at (888) 717-4463 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Karnes accept in Orange, CA?
Dr. Karnes in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
Blue Shield of California
CalOptima
Centene
HealthSmart
Inland Empire
Medicare
Monarch HealthCare
Other Health Care Provider
UnitedHealthcare
View All Insurances
Where is Dr. Karnes' office located?
Dr. William Karnes' Practice 2
1640 Newport Blvd Ste 350
Costa Mesa, CA 92627
(949) 386-5260
Recognitions
Memberships & Associations
American Society of Clinical Pathologists
Member
College of American Pathologists
Member
American Medical Association
Member
North Carolina Medical Society
Member
Mecklenburg County Medical Society
Member
Awards
President, Mecklenburg County Medical Society
Top Doctors, CharlotteMagazine
Charlotte Magazine
What is Dr. Karnes's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Karnes's National Provider Identifier (NPI) number is 1881652998.
What common questions do patients ask about Dr. Karnes?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Karnes
What is Dr. William Karnes's specialty?
Dr. Karnes is a Gastroenterologist near Orange, CA. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Karnes to book an appointment today.
Is this Dr. William Karnes affiliated with a ranked Castle Connolly Top Hospital?
Yes, Dr. Karnes is affiliated with UCI Medical Center which is a Castle Connolly Top Hospital. Castle Connolly Top Hospitals are healthcare institutions recognized for their excellence in specific medical procedures and overall patient care. They are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is William Karnes accepting new patients in Orange, CA?
Yes, Dr. William Karnes is accepting new patients at this time.
Does Dr. William Karnes offer online booking?
Please contact Dr. Karnes's office at (888) 717-4463 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with William Karnes?
Please contact Dr. Karnes's office at (888) 717-4463 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. William Karnes have?
Dr. William Karnes is certified by the American Board of Pathology.
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