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Dr. Elmer Chang, MD
Gastroenterology* Age 53
Dr. Elmer Chang, MD

Offers telehealth

Dr. Elmer Chang, MD is a Gastroenterologist in Mission Viejo, CA.
Dr. Elmer Chang, MD

Dr. Elmer Chang, MD

Gastroenterology* Age 53
Mission Viejo, CA
Accepting new patients
28 years of experience

Offers telehealth

Dr. Elmer Chang, MD is a Gastroenterologist in Mission Viejo, CA.
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About Dr. Elmer Chang, MD

Dr. Chang graduated from Northwestern University Feinberg School of Medicine. Dr. Elmer Chang, MD is a Gastroenterologist in Mission Viejo, CA and has 28 years experience. Dr. Chang currently practices at Mission Heritage Mission Viejo-Gastroenterology and is affiliated with Providence Mission Hospital Mission Viejo. Dr. Chang has experience treating conditions like Hemorrhoids, Diaphragmatic and Hiatal Hernia, Anal or Rectal Pain, Congenital Anomaly Intestine, Chronic Gastritis, Gastroesophageal Reflux Disease (GERD), Esophagitis, Intestinal Ulcer, Constipation, Reflux Esophagitis, Intestinal Diverticulosis, Gastritis, Abdominal Pain and Nausea among other conditions at varying frequencies. Dr. Chang's office accepts new patients and telehealth appointments. Dr. Chang is board certified in Gastroenterology and accepts multiple insurance plans.

Experience Check

Enter a condition or procedure
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Anal or Rectal Pain
Hemorrhoids
Diaphragmatic and Hiatal Hernia
Anal or Rectal Pain
Congenital Anomaly Intestine
Chronic Gastritis
Gastroesophageal Reflux Disease (GERD)
Esophagitis
Intestinal Ulcer
Constipation
Reflux Esophagitis
Intestinal Diverticulosis
Gastritis
Abdominal Pain
Nausea
  • View other providers who treat Nausea
Duodenal Polypectomy
Colonoscopy, Proctosigmoidoscopy, and Sigmoidoscopy
Esophageal Motility Disorders
Endoscopy
Colorectal Polyp
Removal or Destruction of Rectal or Intestinal Tumor (incl. Colonoscopy, Proctosigmoidoscopy, Sigmoidoscopy and Control of Hemorrhage)
Gastrointestinal Malabsorption
Dysphagia
Gastric Ulcer
Intestinal Obstruction
Duodenal Ulcer
Colonoscopy
Celiac Disease
Flexible Sigmoidoscopy
Manometry
Rigid Proctosigmoidoscopy
Gastroptosis
Gas-Bloat Syndrome
Noninfectious Gastroenteritis and Colitis
Duodenitis
Inflammatory Bowel Disease
Metabolic Dysfunction Associated Steatotic Liver Disease (MASLD)
Bowel Strangulation
Anemia
  • View other providers who treat Anemia
Gallstones
Barrett's Esophagus
Ulcerative Colitis
Vomiting Disorders
Diarrhea
  • View other providers who treat Diarrhea
Gastrointestinal Bleeding
Ileus
  • View other providers who treat Ileus
Vitamin_Deficiency
Intestinal Diverticulitis
Crohn's Disease
Heartburn
Unexplained Weight Loss
Irritable Bowel Syndrome
Eosinophilic Esophagitis
Enteritis
Splenomegaly
Esophageal Ulcer
Acute Gastritis
Alcoholic Cirrhosis
Ascites
  • View other providers who treat Ascites
Autoimmune Hepatitis
Barretts Esophagus with Dysplasia
Benign Neoplasm of the Digestive System
Cirrhosis
Colon Cancer
Congenital Achalasia
Congenital Anomaly Esophagus
Dehydration
Diffuse Esophageal Spasm
Duodenal Cancer
Dysentery
Esophageal Achalasia and Cardiospasm
Esophageal Diverticulum
Esophageal Varices
Familial Adenomatous Polyposis
Food Allergy
Gastrojejunal Ulcer
Gastroparesis
Hemochromatosis
Hepatitis B
Hepatitis B - Immune Response
Hepatitis C
Hernia
  • View other providers who treat Hernia
Hiatal Hernia
Hypokalemia
Indigestion
Infectious Diarrheal Disease
Ischemic Colitis
Lactose Intolerance
Liver Damage from Alcohol
Long COVID Disorder
Malnutrition
Meckel's Diverticulum
Megacolon
Non-Neonatal Jaundice
Pancreatitis
Peptic Ulcer
Pernicious Anemia
Pouchitis
Rectal Ulcer
Retroperitoneum Cancer
Sclerosing Mesenteritis
Secondary Biliary Cholangitis
Spleen Cyst
Upper Digestive Tract Cancer
Viral Hepatitis
Vitamin B12 Anemia
Anoscopy
  • View other providers who treat Anoscopy
Colon Cancer Screening
Colorectal Cancer Screening
ERCP (Endoscopic Retrograde Cholangiopancreatography)
Gallbladder Scan
Hepatitis A Screening
Hepatitis B Virus Screening
Hepatitis C Virus Screening
Hepatitis Screening
Impedance Testing
Instrumental Diagnostic Evaluation for Dysphagia
Liver Biopsy
Liver Function Test
Pancreas Surgeries
pH Probe
  • View other providers who treat pH Probe
Screening Colonoscopy
Sigmoidoscopy
Ultrasound, Endoanal
Ultrasound, Esophageal
VAP Lipid Testing
Wireless pH Testing

Accepted Insurance Plans

* Please verify this information when scheduling an appointment.
  • Cigna
    LocalPlus
  • Blue Cross Blue Shield of California PPO
  • First Health (Coventry Health Care) PPO
  • Choice Care PPO
  • Curative EPO
    Curative PPO Plus
    Curative PPO
  • Local Access Plus HMO
  • HealthyBlue Advantage
  • Blue Card PPO
  • Aetna

Where Dr. Elmer Chang, MD Sees Patients

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Telehealth Options
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(949) 364-5090

Meet Dr. Elmer Chang, MD

Specialties*
Gastroenterology
Specialties*
  • *Sharecare does not verify qualifications for medical specialties. Please verify your provider's specialty and qualifications directly with your provider and applicable medical board.
Common Questions and Answers
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FAQs About Dr. Chang's Practice

Find contact information here to make an appointment.

A list of accepted insurance providers is available on the Sharecare insurance check. It is always a good idea to verify your insurance when making an appointment.

New patients are generally accepted by Dr. Elmer Chang, MD. To arrange an appointment, call the number on Dr. Chang's profile.

Dr. Chang frequently treats the following conditions: Hemorrhoids, Diaphragmatic and Hiatal Hernia, Anal or Rectal Pain, Congenital Anomaly Intestine, Chronic Gastritis, Gastroesophageal Reflux Disease (GERD), Esophagitis, Intestinal Ulcer, Constipation, Reflux Esophagitis, Intestinal Diverticulosis, Gastritis, Abdominal Pain and Nausea. See more on Sharecare.

Dr. Elmer Chang, MD is affiliated with Providence Mission Hospital Mission Viejo.

Yes, Dr. Elmer Chang, MD holds board certification in Gastroenterology.

Training & Medical Education
Medical Education
  • Northwestern University Feinberg School of Medicine
    1998
Medical Education
Board Certifications
  • Gastroenterology
Board Certifications
What’s a board certification and why is it important that my provider has one?

A board certification represents a provider’s dedication to ongoing training in one or more specialties, including the completion of intensive exams. While not all specialties have board certifications, if your provider does have one they’ve taken the extra step to master their specialty and to keep up with the latest advancements in their field.
Internship
  • Baylor College of Medicine
    1999
Internship

Hospitals Where Dr. Elmer Chang, MD Practices

  • Providence Mission Hospital Mission Viejo

    27700 Medical Center Rd, Mission Viejo, CA

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