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Dr. Keith Martin, MD

Gastroenterologist, Specialist

Orange, CA

45 Years of Experience

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Martin, Gastroenterologist in Orange, CA?

    Dr. Keith Martin, MD is a Gastroenterologist, who primarily practices in Orange, CA with 1 additional practice location. He has been practicing for over 45 years and is board certified. Dr. Martin graduated from University Of Oklahoma College Of Medicine and completed his residency at L A Co-Usc Med Ctr, Gastroenterology; L A Co-Usc Med Ctr, Internal Medicine; L A Co-Usc Med Ctr, Endocrinology, Diabetes & Metabolism. Dr. Martin is fluent in English and Spanish, and is currently seeing new patients. Dr. Martin’s practice accepts Medicare, Aetna, Cigna, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Martin’s office at (714) 996-3700.

    What are Areas of Expertise for Dr. Martin?

    Dr. Keith Martin, 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. Martin empowers patients to confidently navigate their health journey, specializing in Biliary Disease, Colon Cancer Screening, Endoscopy, Pancreatic Disease, and comprehensive wellness support. Serving the Orange, CA community, Dr. Martin is dedicated to enhancing lives through expert, patient-centered care.

    Where did Dr. Martin go to medical school and complete their residency?

    • Fellowship: University of Southern California Medical Center, Los Angeles, CA

    • Residency: L A Co-Usc Med Ctr, Gastroenterology; L A Co-Usc Med Ctr, Internal Medicine; L A Co-Usc Med Ctr, Endocrinology, Diabetes & Metabolism | University of Southern California Medical Center, Los Angeles, CA | USC/LAC-Keck School of Medicine

    • Medical School: University of Ok Coll of Med, Oklahoma City Ok | University Of Oklahoma College Of Medicine

    Is Dr. Martin board certified as a Gastroenterologist?

    Yes, Dr. Keith Martin, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Martin speak?

    Dr. Martin and their clinical team can communicate with patients in the following languages:

    • English
    • Spanish

    What conditions does a Gastroenterologist like Dr. Martin typically treat?

    As a Gastroenterologist, Dr. Martin 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. Martin. 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:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal Polyps
    • Intestinal Polyps
    • Bowel Polyps

    ICD-10 Codes:

    • Z86010: Personal history of colon polyps

    Also known as:

    • Colon Polyps
    • Colonic Polyps
    • Colorectal polyps
    • Bowel polyps
    • Intestinal polyps

    ICD-10 Codes:

    • K635: Polyp of colon

    What procedures does a Gastroenterologist like Dr. Martin typically perform?

    As a Gastroenterologist, Dr. Martin 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. Martin. 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:

    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy with Biopsy
    • Colonoscopy with Polyp Removal
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision

    CPT Codes:

    • 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
    • 45385: Colonoscopy, flexible; with removal of tumor(s), polyp(s), or other lesion(s) by snare technique

    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
    • Colonoscopy with Injections
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy

    CPT Codes:

    • 43235: Esophagogastroduodenoscopy, flexible, transoral; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 45381: Colonoscopy, flexible; with directed submucosal injection(s), any substance

    Does Dr. Martin accept my insurance?

    Dr. Martin accepts most major insurance plans. Important: Please call our office at (714) 996-3700 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Martin accept in Orange, CA?

    Dr. Martin in Orange, CA accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.

    Top Insurances

    • Blue Shield of California

    • Centene Corporation

    • Cigna Group

    • CVS Health (formerly Aetna)

    • HealthSmart

    • Medicare

    • OptumRx Administered Payer

    • Other Health Care Provider

    • State of California

    • UnitedHealth Group

    View All Insurances

    Where is Dr. Martin's office located?

    Dr. Keith Martin's Primary Practice

    101 The City Dr S

    Orange, CA 92868

    (714) 996-3700

    Get Directions

    Dr. Keith Martin's Practice 2

    16671 Yorba Linda Blvd Ste 200

    Yorba Linda, CA 92886

    Get Directions

    What is Dr. Martin's NPI number?A National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.

    Dr. Martin's National Provider Identifier (NPI) number is 1649280546.

    What common questions do patients ask about Dr. Martin?

    Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Martin

    What is Dr. Keith Martin's specialty?

    Dr. Martin 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 Dr. Keith Martin affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Martin is affiliated with Uci Health - Placentia Linda, Providence St. Jude Medical Center which are a Castle Connolly Top Hospitals. 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 Dr. Keith Martin accepting new patients in Orange, CA?

    Yes, Dr. Keith Martin is accepting new patients at this time.

    Does Dr. Keith Martin offer online booking?

    Please contact Dr. Martin's office at (714) 996-3700 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Dr. Keith Martin?

    Please contact Dr. Martin's office at (714) 996-3700 to schedule an appointment.

    Where is Dr. Martin's office located?

    Dr. Martin's offices are located in Orange, CA and Yorba Linda, CA.

    Which board certifications does Dr. Keith Martin have?

    Dr. Keith Martin is certified by the American Board of Internal Medicine.