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Dr. Charles Chaya, MD

Riverside, CA

Accepting patients

Affiliated with a Castle Connolly Top Hospital

    Who is Dr. Chaya, Gastroenterologist in Riverside, CA?

    Dr. Charles Chaya, MD is a Gastroenterologist, who primarily practices in Riverside, CA. He is board certified. Dr. Chaya graduated from Loma Linda University School of Medicine and completed his residency at Tulane Univ Sch Of Med, Gastroenterology; Legacy Emmanuel Hosp & Med Ctr, Internal Medicine. Dr. Chaya is fluent in English, and is currently seeing new patients. Dr. Chaya’s practice accepts Kaiser Permanente, Medicare and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Chaya’s office at (951) 353-2000.

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

    • Residency: Tulane Univ Sch Of Med, Gastroenterology; Legacy Emmanuel Hosp & Med Ctr, Internal Medicine

    • Medical School: Loma Linda University School of Medicine

    Is Dr. Chaya board certified as a Gastroenterologist?

    Yes, Dr. Charles Chaya, MD is board certified by the American Board of Internal Medicine

    What languages does Dr. Chaya speak?

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

    • English

    What conditions does Dr. Chaya treat?

    As a Gastroenterologist, Dr. Chaya 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. Chaya. 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:

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

    ICD-10 Codes:

    • K635: Polyp 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:

    • Abnormal Digestive Tract Imaging
    • Abnormal GI scan
    • Unusual digestive imaging
    • Digestive system imaging findings

    ICD-10 Codes:

    • R933: Abnormal findings on diagnostic imaging of other parts of digestive tract

    Also known as:

    • Anemia
    • Low Red Blood Cell Count
    • Low Hemoglobin
    • Iron deficiency

    ICD-10 Codes:

    • D649: Anemia, unspecified

    Also known as:

    • Bile Duct Stones
    • Gallstones
    • Choledocholithiasis
    • Biliary duct calculi

    ICD-10 Codes:

    • K8050: Calculus of bile duct without cholangitis or cholecystitis without obstruction

    Also known as:

    • Abdominal Pain
    • Stomach Ache
    • Belly Pain
    • Stomach Pain

    ICD-10 Codes:

    • R109: Unspecified abdominal pain

    What procedures does Dr. Chaya perform?

    As a Gastroenterologist, Dr. Chaya 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. Chaya. 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
    • Colonoscopy with Polyp Removal
    • Diagnostic Colonoscopy with Biopsy
    • Colonoscopy
    • Colorectal Cancer Screening Tests
    • Flexible Colonoscopy
    • Colon Biopsy
    • Large Intestine Scope
    • Colorectal Cancer Screening
    • Flexible Colonoscopy with Polypectomy
    • Colon Polyp Removal
    • Colorectal Lesion Excision
    • Colon Exam with Biopsy
    • Lower Endoscopy
    • Colon Cancer Screening

    CPT Codes:

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

    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

    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:

    • 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 Bile or Pancreatic Duct Stent Removal
    • Endoscopic Retrograde Cholangiopancreatography
    • Bile Duct Stent Removal
    • Pancreatic Duct Foreign Body Removal
    • ERCP Stone Removal

    CPT Codes:

    • 43275: Endoscopic retrograde cholangiopancreatography (ERCP); with removal of foreign body(s) or stent(s) from biliary/pancreatic duct(s)

    Does Dr. Chaya accept my insurance?

    Dr. Chaya accepts most major insurance plans. Important: Please call our office at (951) 353-2000 before your appointment to verify that your specific plan and network are accepted.

    What insurance plans does Dr. Chaya accept in Riverside, CA?

    Dr. Chaya in Riverside, 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

    • AlphaCare

    • Centene

    • Crown Cork and Seal Company

    • Heritage Health

    • Inland Faculty Medical Group, Inc

    • Kaiser Permanente

    • Medicare

    • Other Health Care Provider

    • State of Tennessee

    View All Insurances

    Where is Dr. Chaya's office located?

    Dr. Charles Chaya's Primary Practice

    10800 Magnolia Ave

    Riverside, CA 92505

    (951) 353-2000

    Get Directions

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

    Dr. Chaya's National Provider Identifier (NPI) number is 1760438873.

    What common questions do patients ask about Dr. Chaya?

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

    What is Dr. Charles Chaya's specialty?

    Dr. Chaya is a Gastroenterologist near Riverside, 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. Chaya to book an appointment today.

    Is this Dr. Charles Chaya affiliated with a ranked Castle Connolly Top Hospital?

    Yes, Dr. Chaya is affiliated with Kaiser Permanente Riverside Medical Center, Kaiser Permanente Fontana 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

    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 Charles Chaya accepting new patients in Riverside, CA?

    Yes, Dr. Charles Chaya is accepting new patients at this time.

    Does Dr. Charles Chaya offer online booking?

    Please contact Dr. Chaya's office at (951) 353-2000 for information about online booking, telehealth, or to schedule an appointment.

    How can I make an appointment with Charles Chaya?

    Please contact Dr. Chaya's office at (951) 353-2000 for information regarding telehealth appointment availability or for scheduling assistance.

    Which board certifications does Dr. Charles Chaya have?

    Dr. Charles Chaya is certified by the American Board of Internal Medicine.

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