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. 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, Medicare 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 and 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, and 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 as a 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 a Gastroenterologist like Dr. Karnes typically 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. Learn more about our claims-based healthcare methodology.
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
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Gastroesophageal Reflux
- Heartburn
- Indigestion
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
Also known as:
- Iron Deficiency Anemia
- Anemia
- Iron
- Anemia from Iron Lack
- Low Iron Anemia
- Sideropenic Anemia
ICD-10 Codes:
- D509: Iron deficiency anemia, unspecified
Also known as:
- Diarrhea
- Loose stools
- Runny poop
- Frequent bowel movements
ICD-10 Codes:
- R197: Diarrhea, unspecified
What procedures does a Gastroenterologist like Dr. Karnes typically perform?
As a Gastroenterologist, Dr. Karnes performs a variety of medical procedures. This procedure information is derived from anonymized insurance claims and highlights the medical procedures most commonly performed 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. Learn more about our claims-based healthcare methodology.
Also known as:
- Colonoscopy with Polyp Removal
- Diagnostic Colonoscopy with Biopsy
- Colonoscopy with Biopsy
- Colonoscopy
- Colorectal Cancer Screening Tests
- Flexible Colonoscopy with Polypectomy
- Colon Polyp Removal
- Colorectal Lesion Excision
- Flexible Colonoscopy
- Colon Exam with Biopsy
- Lower Endoscopy
- Colon Cancer Screening
- Colon Biopsy
- Large Intestine Scope
- Colorectal Cancer Screening
CPT Codes:
- 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique
- 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
- 45380: Colonoscopy, flexible; with biopsy, single or multiple
Also known as:
- Upper Endoscopy with Biopsy
- Biopsy
- Endoscopy
- EGD with Biopsy
- Gastroscopy with Biopsy
- Esophagogastroduodenoscopy with Biopsy
CPT Codes:
- 43239: Esophagogastroduodenoscopy, flexible, transoral; with biopsy, single or multiple
Also known as:
- Diagnostic Upper Endoscopy with Biopsy
- EGD with Biopsy
- Esophagogastroduodenoscopy
- Upper GI Endoscopy
- Stomach Scope with Sample
CPT Codes:
- 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
Also known as:
- Capsule Endoscopy
- Pill Camera
- Wireless Capsule Endoscopy
- Small Bowel Capsule Endoscopy
- Intestinal Imaging Pill
CPT Codes:
- 91110: Gastrointestinal tract imaging, intraluminal (eg, capsule endoscopy), esophagus through ileum, with interpretation and report
Also known as:
- Wireless Esophageal pH Test
- Esophageal pH Test
- Bravo pH Test
- Esophageal Reflux Monitoring
- Acid Reflux Test
CPT Codes:
- 91035: Esophagus, gastroesophageal reflux test; with mucosal attached telemetry pH electrode placement, recording, analysis and interpretation
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
Centene Corporation
HealthSmart
Medicare
Monarch HealthCare
Other Health Care Provider
State of California
UnitedHealth Group
Unknown
View All Insurances
Where is Dr. Karnes' office located?
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.
What does a Gastroenterologist do?
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.
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
When to see a Gastroenterologist?: Guides for symptoms, conditions, and treatments
Understand your symptoms and know when it’s time to see a Gastroenterologist. Explore 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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JS
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