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Dr. Matthew Oman, MD

Irvine, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Oman, Gastroenterologist in Irvine, CA?

    Dr. Matthew Oman, MD is a Gastroenterologist, who primarily practices in Irvine, CA with 1 additional practice location. He is board certified. Dr. Oman is fluent in English and Spanish, and is currently seeing new patients. Dr. Oman’s practice accepts Cigna, Kaiser Permanente, Medicare, UnitedHealthcare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Oman’s office at (949) 612-9090.

    Is Dr. Oman board certified as a Gastroenterologist?

    Yes, Dr. Matthew Oman, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Oman speak?

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

    • English

    • Spanish

    What conditions does Dr. Oman treat?

    As a Gastroenterologist, Dr. Oman 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. Oman. 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
    • 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:

    • Other Esophagus Condition
    • Esophagus Disorder
    • Various esophageal diseases
    • Miscellaneous esophagus problems
    • Other food pipe issues

    ICD-10 Codes:

    • K2289: Other specified disease of esophagus

    Also known as:

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

    ICD-10 Codes:

    • K635: Polyp of colon

    Also known as:

    • Esophagus Inflammation
    • Esophagus Disorder
    • Esophagitis
    • Inflamed Esophagus
    • Sore Esophagus

    ICD-10 Codes:

    • K2080: Other esophagitis without bleeding

    Also known as:

    • Hemorrhoids
    • Piles
    • Anal veins
    • Swollen rectal veins

    ICD-10 Codes:

    • K648: Other hemorrhoids

    What procedures does Dr. Oman perform?

    As a Gastroenterologist, Dr. Oman 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. Oman. 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:

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

    CPT Codes:

    • 45380: Colonoscopy, flexible; with biopsy, single or multiple
    • 45378: Colonoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)
    • 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:

    • EGD with Esophageal Balloon Dilation
    • Diagnostic Upper Endoscopy with Biopsy
    • Colonoscopy with Injections
    • Esophagus Widening Procedure (Endoscopic)
    • Flexible Sigmoidoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Upper Endoscopy with Esophageal Dilation
    • Flexible Esophagoscopy with Balloon
    • EGD with Balloon Widening
    • EGD with Biopsy
    • Esophagogastroduodenoscopy
    • Upper GI Endoscopy
    • Stomach Scope with Sample
    • Flexible Colonoscopy with Injection
    • Colon Scope with Medication
    • Therapeutic Colonoscopy
    • Esophageal Dilation
    • EGD with Dilation
    • Upper Endoscopy with Widening
    • Sigmoid Colon Scope with Biopsy
    • Lower Endoscopy with Tissue Sample
    • Flexible Sigmoidoscopy and Biopsy
    • Rectum and Lower Colon Exam

    CPT Codes:

    • 43249: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic balloon dilation of esophagus (less than 30 mm diameter)
    • 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
    • 43248: Esophagogastroduodenoscopy, flexible, transoral; with insertion of guide wire followed by passage of dilator(s) through esophagus over guide wire
    • 45331: Sigmoidoscopy, flexible; with biopsy, single or multiple

    Also known as:

    • Hemorrhoid Removal with Rubber Band Ligation
    • Rubber Band Ligation for Hemorrhoids
    • Internal Hemorrhoid Ligation
    • Banding of Hemorrhoids
    • Hemorrhoid Banding

    CPT Codes:

    • 46221: Hemorrhoidectomy, internal, by rubber band ligation(s)

    Also known as:

    • Esophageal Dilation (Bougie)
    • Esophageal Widening
    • Bougie Dilation of Esophagus
    • Swallowing Tube Dilation

    CPT Codes:

    • 43450: Dilation of esophagus, by unguided sound or bougie, single or multiple passes

    Also known as:

    • Upper Endoscopy with Ultrasound (EUS)
    • EGD with endoscopic ultrasound
    • Esophageal ultrasound
    • Stomach ultrasound endoscopy
    • Duodenal ultrasound endoscopy

    CPT Codes:

    • 43259: Esophagogastroduodenoscopy, flexible, transoral; with endoscopic ultrasound examination, including the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis

    Also known as:

    • ERCP with Sphincterotomy
    • ERCP with Bile or Pancreatic Duct Stent Removal
    • ERCP with Stent Placement
    • Endoscopic retrograde cholangiopancreatography
    • Bile duct scope
    • Pancreatic duct scope
    • Papillotomy
    • Endoscopic Retrograde Cholangiopancreatography
    • Bile Duct Stent Removal
    • Pancreatic Duct Foreign Body Removal
    • ERCP Stone Removal
    • Endoscopic Retrograde Cholangiopancreatography with Stent
    • Bile Duct Stent Placement via ERCP
    • Pancreatic Duct Stent Placement via ERCP

    CPT Codes:

    • 43262: Endoscopic retrograde cholangiopancreatography (ERCP); with sphincterotomy/papillotomy
    • 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)
    • 43274: Endoscopic retrograde cholangiopancreatography (ERCP); with placement of endoscopic stent into biliary or pancreatic duct, including pre- and post-dilation and guide wire passage, when performed, including sphincterotomy, when performed, each stent

    Also known as:

    • ERCP with Gallstone Removal
    • ERCP
    • Endoscopic Gallstone Removal
    • Biliary Duct Stone Removal
    • Pancreatic Duct Cleaning

    CPT Codes:

    • 43264: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of calculi/debris from biliary/pancreatic duct(s)

    Also known as:

    • Stopping Bleeding in Esophagus, Stomach, or Duodenum
    • EGD with Bleeding Control
    • Upper GI Endoscopy for Bleeding
    • Gastric Bleeding Treatment

    CPT Codes:

    • 43255: Esophagogastroduodenoscopy, flexible, transoral; with control of bleeding, any method

    Also known as:

    • Upper Endoscopy with Ultrasound and Biopsy
    • Biopsy
    • Endoscopy
    • Ultrasound
    • EGD with Endoscopic Ultrasound Biopsy
    • Transoral EUS-FNA
    • Esophagogastroduodenoscopy with Biopsy

    CPT Codes:

    • 43242: Esophagogastroduodenoscopy, flexible, transoral; with transendoscopic ultrasound-guided intramural or transmural fine needle aspiration/biopsy(s) (includes endoscopic ultrasound examination of the esophagus, stomach, and either the duodenum or a surgically altered stomach where the jejunum is examined distal to the anastomosis)

    Also known as:

    • Flexible Sigmoidoscopy
    • Colorectal Cancer Screening Tests
    • Sigmoidoscopy
    • Lower colon exam
    • Flexible colon scope
    • Rectum and lower colon check

    CPT Codes:

    • 45330: Sigmoidoscopy, flexible; diagnostic, including collection of specimen(s) by brushing or washing, when performed (separate procedure)

    Also known as:

    • Anoscopy (Diagnostic)
    • Anoscopy
    • Anal Canal Exam
    • Rectal Scope Exam
    • Anus Diagnostic Procedure

    CPT Codes:

    • 46600: Anoscopy; 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. Oman accept my insurance?

    Dr. Oman accepts most major insurance plans. Important: Please call our office at (949) 612-9090 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Oman accept in Irvine, CA?

    Dr. Oman in Irvine, 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

    • Crown Cork and Seal Company

    • CVS Health (formerly Aetna)

    • Elevance Health Inc. (formerly Anthem)

    • Express Scripts

    • Hoag Memorial Hospital Presbyterian

    • Medicare

    • UnitedHealthcare

    View All Insurances

    Where is Dr. Oman's office located?

    Dr. Matthew Oman's Primary Practice

    113 Waterworks Way Ste 155

    Irvine, CA 92618

    (949) 612-9090

    Get Directions

    Dr. Matthew Oman's Practice 2

    11175 Campus St

    Loma Linda, CA 92350

    (909) 558-8242

    Get Directions

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

    Dr. Oman's National Provider Identifier (NPI) number is 1548461155.

    What common questions do patients ask about Dr. Oman?

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

    What is Dr. Matthew Oman's specialty?

    Dr. Oman is a Gastroenterologist near Irvine, 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. Oman to book an appointment today.

    Is this Dr. Matthew Oman affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Oman is affiliated with Hoag Hospital Newport Beach, Hoag Orthopaedic Institute, Eisenhower Health Main Campus 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

    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 Matthew Oman accepting new patients in Irvine, CA?

    Yes, Dr. Matthew Oman is accepting new patients at this time.

    Does Dr. Matthew Oman offer online booking?

    Please contact Dr. Oman's office at (949) 612-9090 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Matthew Oman?

    Please contact Dr. Oman's office at (949) 612-9090 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Matthew Oman have?

    Dr. Matthew Oman is certified by the American Board of Internal Medicine.

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