Unio Specialty Care Gastroenterology Welcomes Dr. Robert Mecum!

Dr. Robert Mecum has joined Unio Specialty Care, California’s largest independent medical group providing gastroenterology, urology, and radiation oncology services. Your care team and office locations remain the same.  If you have questions about this transition, please call our office directly at (562) 789-5577.

Staying the Same

  • Your Care team
  • Our office locations
  • Our office phone number

Changing

  • Practice name on paperwork
  • Billing entity (Genesis Healthcare Partners, LLP)

Unio Specialty Care – Gastroenterology – Newport Beach

Unio Health Gastroenterology, Newport Beach, CA

Unio Specialty Care – Gastroenterology – Newport Beach

Office Hours

Monday

Closed

Tuesday

Closed

Wednesday

3:00pm - 5:30pm

Thursday

3:00pm - 5:30pm

Friday

Closed

Saturday

Closed

Sunday

Closed

Office Hours

Monday

Closed

Tuesday

Closed

Wednesday

3:00pm - 5:30pm

Thursday

3:00pm - 5:30pm

Friday

Closed

Saturday

Closed

Sunday

Closed

Unio Health Gastroenterology, Newport Beach, CA

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Reviews

Unio Health Gastroenterology, Newport Beach, CA

Expert Gastroenterology Services in Newport Beach – Accepting New Patients

At Unio Specialty Care in Newport Beach, our board-certified gastroenterologists offer comprehensive care for a wide range of digestive health concerns. From routine colon cancer screenings to managing chronic GI disorders, we deliver expert, patient-focused care using the latest diagnostic tools and treatments.

Our clinic is conveniently located near Hoag Hospital Newport Beach and easily accessible from coastal and inland Orange County communities. We’re known for short wait times, clear communication, and personalized treatment plans tailored to your needs.

If you’re looking for a trusted gastroenterologist in Newport Beach or surrounding areas, contact us today to schedule a consultation or book your colonoscopy. We proudly serve patients from:

  • Costa Mesa

  • Huntington Beach

  • Irvine

  • Fountain Valley

  • Laguna Beach

  • Tustin

  • Santa Ana

  • Corona del Mar

  • Balboa Island

  • Orange County, CA

GI Conditions We Treat at Our Newport Beach GI Clinic
We diagnose and treat a wide range of gastrointestinal and liver-related conditions, including GERD, IBS, IBD (Crohn’s and ulcerative colitis), liver disease, and more. We also offer preventive screenings such as colonoscopy at our Newport Beach location.
Now Accepting New Patients for Colon Cancer Screening
Our GI specialists in Newport Beach welcome new patients for colon cancer screening, including routine colonoscopy and follow-up for high-risk individuals. If you are 45 or older, we recommend scheduling your screening appointment today.
What to Expect During Your First GI Appointment
During your first visit, our team will take a thorough medical history, review your symptoms, and discuss any digestive concerns. We’ll then develop a personalized care plan, which may include further diagnostics or procedures like a colonoscopy or endoscopy.
What is a Colonoscopy and How Do I Prepare?
A colonoscopy is a safe and effective procedure used to screen for colorectal cancer, detect polyps, and investigate GI symptoms. Before the procedure, we provide detailed prep instructions and offer sedation for your comfort. Learn more about colonoscopy screening.
GI Services Offered at Our Newport Beach Office

Our team offers a full spectrum of diagnostic and therapeutic services, including:


Frequently Asked Questions

What is a colonoscopy and when should I get one?

A colonoscopy is a diagnostic and preventive procedure that allows our GI doctors to examine the inside of your colon and rectum. It helps detect colon cancer, polyps, and other abnormalities. Most people should begin screenings at age 45, or earlier if you have risk factors. Our Newport Beach clinic offers sedation for your comfort.

Do you treat IBS (Irritable Bowel Syndrome)?

Yes. Our team develops personalized treatment plans for IBS based on your symptoms and health history. We offer dietary counseling, medication, and symptom management for patients in Newport Beach, Costa Mesa, and surrounding areas.

Can you help with acid reflux or GERD?

Yes. We provide care for GERD and chronic acid reflux, including evaluation, medication management, and procedures like upper endoscopy. If you’re experiencing persistent heartburn, we encourage you to book an appointment in our Newport Beach office.

Is your clinic close to Costa Mesa or Irvine?

Yes. Our Newport Beach location is easily accessible from Costa Mesa, Irvine, Huntington Beach, and Fountain Valley. We offer convenient parking and flexible scheduling to serve patients throughout coastal Orange County.

Do you offer hemorrhoid treatment?

Yes. We perform in-office hemorrhoid banding procedures that are minimally invasive and require little to no recovery time. This service is available at our Newport Beach GI location.

What GI services are offered at the Newport Beach office?

We provide a range of diagnostic and treatment services including colonoscopy, upper endoscopy (EGD), capsule endoscopy, hemorrhoid treatment, and SIBO testing — all performed by board-certified gastroenterologists.

Do you offer nutrition counseling for GI conditions?

Yes. Our team provides nutrition and lifestyle support for digestive conditions such as IBS, GERD, IBD, and celiac disease. Our recommendations are customized to your diagnosis and health goals.

Highly Reviewed Gastroenterologist in Newport Beach, CA

Doctors at Unio Specialty Care Gastroenterology, an affiliate of Unio Health Partners, in Newport Beach have hospital or surgery center affiliations with:
  • Barranca Surgery Center
  • Hoag Hospital Irvine
  • Hoag Hospital Newport Beach
  • La Veta Surgical Center
  • National Ambulatory Surgical Center Orange
  • St. Joseph Hospital Orange
  • St. Joseph Pavilion Surgery Center

Ready to Make an Appointment?

We are the largest gastroenterology physician group in California. Our organization is committed to providing high-quality, patient-centered care in a private practice setting. Our physicians are experts in the diagnosis and treatment of diseases of the gastrointestinal system, including those of the esophagus, stomach, colon, liver, small intestine, gallbladder, pancreas, and biliary tract.

Make an appointment today to start your journey to better health!