Request an Appointment
Mark D. Gulinson, M.D.
Gastroenterologist

Request An Appointment
If you are experiencing a medical emergency, please call 9-1-1.
To schedule an appointment, please call 602-279-3575 or click the “Message Us” button located at the bottom right corner of your screen and a member of our team will contact you within 48 hours.
Education
- Gastroenterology Fellowship: University of California (Irvine, CA)
- Internal Medicine Residency: University of Pittsburgh Health Sciences Center
- Medical Degree: University of Colorado Health Science Center (Denver, CO)
- Undergraduate Degree: B.S. The Colorado College (Colorado Springs, CO)
Board Certification
- American Board of Internal Medicine – Gastroenterology & Hepatology
Associations/ Memberships
- American College of Gastroenterology
- American Society of Gastrointestinal Endoscopy
Awards or Distinctions
- Medical Director of North Valley Endoscopy Center – 2006 to Present
- Rated as one of the three Best Gastroenterologists in Phoenix in 2022
Hospital Affiliations
- John C. Lincoln North Mountain
- Abrazo Scottsdale Campus
Locations
North Valley Endoscopy Center
View LocationFeatured Articles & Videos From
Dr. Mark D. Gulinson, M.D.
Friendly staff. Didnt have to wait long. Well managed.
I underwent Colonoscopy today at the endoscopy center At 40th St. and Greenway. Dr. Mark Gullinson did the procedure. It went very well and Dr. Gullinson was friendly, professional and informative. Staff did Center were excellent. I certainly can recommend Dr. Gullinson as well as The facility.
Steve N
Steve N
I’ve been seeing Dr. Gulinson for years and has been always excellent.
Quality care from a MD specialist. Rare to find in Arizona now.
And staff are very helpful and nice.
And staff are very helpful and nice.
Dr. gulinson, he's an awesome gastronologist. I've been seeing for years. For my colonoscopy. Endoscopy, he spot on, uh, great physician, great office too. Well, they have great flexibility for scheduling his practice rocks. I highly recommend him.
Very thorough and professional. My experience was excellent.
The office is always friendly. I've been seeing Dr. Gulinson for nearly 20 years! I've always trusted them. I wouldn't go anywhere else.
Doctor is really good!! He is very through and is really trying to treat my stomach issues. Now there is nothing to do but wait for the biopsy.
Dr. Gulinson and his team are always nice, courteous and on time.
Everybody was great experience worked out fine no problems later and better thank you very much
Services were timely and professionally performed. Associates exhibited careand concern. Doctor was professional but showed interest in letting me know what was happening to me with sincere interest
As usual the staff were personable, professional, considerate & efficient in delivering my care. I’ve been getting care from Dr Gulinson & his staff for over 40 years. I’m very grateful for being his patient.
Haven't been in 3yrs the experience was just as I remember. Very professional and extremely polite 👏
Dr. Gulinson is FABULOUS!!!!! Listens, very patient and cares! SO happy to have switched over to him and the office!!!
Great experience. I was scheduled quickly and everyone was friendly and answered all my questions. They also called a few days later to see how I was doing.
Caring doctor. Have recommended him to others.
Dr. Gulinson was nice and direct when answering my questions. Its made the whole process easier.
Very Intelligent Doctor, Thinks out of the box. Gives Excellent Care. Would recommend him to family and friends .
Excellent office staff and physician. Communication through their portal is very speedy and Dr. Gilinson is a very compassionate doctor. Highly recommend.
Dr. Gulinson office operates like clock work. From initial consultation to the completion of the procedure the staff was pleasant and professional. I felt safe and confident that I was in ggd hands.