Michael Koss
Advanced in Chronic Erosive Gastritis

Dr. Michael Koss

Gastroenterology
Banner Health
Banner Gastroenterology Center
13640 North Plaza Del Rio Boulevard, 
Peoria, AZ 
Accepting New Patients
Offers Telehealth

Advanced in Chronic Erosive Gastritis
Banner Health
Banner Gastroenterology Center
13640 North Plaza Del Rio Boulevard, 
Peoria, AZ 
OverviewInsuranceLocationsSimilar Doctors

Overview

I enjoy literature, martial arts and learning about history.

Dr. Koss is rated as an Advanced provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Familial Adenomatous Polyposis, Turcot Syndrome, Gardner Syndrome, Endoscopy, and Gastrectomy.

Graduate Institution
UMDNJ Robert Wood Johnson Medical School, 1995
Residency
University of Connecticut School of Medicine, Internal Medicine, 1998
Specialties
Gastroenterology
Licenses
Internal Medicine in AZ
Board Certifications
American Board Of Internal Medicine/Gastroenterology
American Board Of Internal Medicine
Fellowships
University of Illinois at Chicago, Gastroenterology, 2001
Hospital Affiliations
Banner Boswell Medical Center
Banner Del E Webb Medical Center
Languages Spoken
English
Russian
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

Find your insurance
Find your insuranceClose

Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Cambia Health Solutions
  • EPO
  • INSURANCE PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • PPO
Cigna
  • EPO
  • HMO
  • PPO
EmblemHealth
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER COMMERCIAL
  • OTHER MEDICARE PART D
EMI Health
  • PPO
Health Care Services Corporation
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
Health Net

Accepted plan types not found. Please verify directly with the provider.

HealthPartners
  • POS
  • PPO
Highmark
  • EPO
  • HMO
  • PPO
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Kaiser Permanente
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • OTHER MEDICARE
  • POS
  • PPO
Managed Medicaid
  • OTHER MANAGED MEDICAID
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Medicare
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE PART D
MercyCare
  • EPO
  • HMO
Moda Health
  • EPO
  • PPO
Oscar
  • EPO
  • HMO
  • PPO
Premera Blue Cross
  • INSURANCE PLAN
  • MEDICARE MAPD
  • OTHER COMMERCIAL
  • PPO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Walgreens
  • MEDICARE DISCOUNT CARD
  • MEDICARE PDP
  • OTHER MEDICARE
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 18 Less Insurance Carriers -

Locations

Banner Gastroenterology Center
13640 North Plaza Del Rio Boulevard, Peoria, AZ 85381
Call: 623-876-3800

Additional Areas of Focus

Dr. Koss has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Colitis
Non-Alcoholic Fatty Liver Disease
Nonalcoholic Steatohepatitis (NASH)
Cirrhosis
Similar Doctors
Distinguished in Chronic Erosive Gastritis
Dr. Alpesh Patel
Gastroenterology
Distinguished in Chronic Erosive Gastritis
Dr. Alpesh Patel
Gastroenterology

Reddy Gi Associates

1900 N Higley Rd, 
Gilbert, AZ 
 (34.5 miles away)
480-393-0575
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Alpesh Patel is a Gastroenterologist in Gilbert, Arizona. Dr. Patel is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Lower Esophageal Ring, Benign Esophageal Stricture, Chronic Erosive Gastritis, Colonoscopy, and Gastrectomy.

Elizabeth Cruz
Advanced in Chronic Erosive Gastritis
Dr. Elizabeth Cruz
Gastroenterology
Advanced in Chronic Erosive Gastritis
Dr. Elizabeth Cruz
Gastroenterology

Dignity Health Medical Group Gastroenterology - St. Joseph's

500 W Thomas Rd, Suite 100, 
Phoenix, AZ 
 (13.5 miles away)
602-406-1510
Languages Spoken:
English
See accepted insurances
Accepting New Patients
Offers Telehealth

Dr. Liz Cruz has dedicated her career to finding ways to help patients of all ages feel better. With a B.S. in Medical Technology from Southern College of Seventh Day Adventist and an M.D. from Loma Linda University School of Medicine in California, Dr. Cruz did not spend all her time in school. She taught English for one year in Thailand and provided medical care to natives along the Amazon River before she joined the U.S. Navy to complete her Internal Medicine Internship at the Naval Hospital, Oakland, California, and the University of California, San Francisco.As a Naval physician, Dr. Cruz was deployed to Guam to fulfill her commitment to the U.S. Navy, where she served as a Staff Internist at the U.S. Naval Hospital. During her active duty years in the Navy, she received the Meritorious Unit Commendation Medal as well as the Humanitarian Service Medal and the National Defense Medal for service during Operation Desert Storm. During her last two years in Guam, she was the Head of the Internal Medicine Division at the U.S. Naval Hospital.During her early years in medicine, Dr. Cruz realized that many of her patients were coming in with issues that were directly or indirectly related to gastrointestinal distress. In 2000, she decided she wanted to specialize in Gastroenterology (GI) to help those who couldn't find answers. She returned to the University of California, San Francisco where she completed her training in her new specialty. In 2004, Dr. Cruz moved to Arizona to join the Arizona Medical Clinic in Peoria. She served as a full-time gastroenterologist in both the outpatient and inpatient settings doing the full range of general gastroenterology including endoscopic procedures, as well as hepatology. In January 2007, she opened the doors to her own practice, Dr. Liz Cruz Partners in Digestive Health in Phoenix.In 2010, Dr. Cruz along with her life partner, Tina Nunziato, a certified holistic medical provider, began offering the Dr. Liz Cruz Wellness Program to educate patients on the very things that were causing their digestive issues. Patients were eliminating their digestive issues through detoxification, digestive restoration, nutrition and proper hydration, thus the DNA for Digestive Health three-step program was born.Dr. Cruz was born in Los Angeles and was raised in Orlando. She speaks fluent Spanish and enjoys her family, traveling, jazz music, and photography.Dr. Cruz is a Diplomate of the American Board of Internal Medicine and the American Board of Gastroenterology. She is a member of the American Gastroenterological Association and the American Society for Gastrointestinal Endoscopy.Trusted Gastroenterologist, addressing digestive issues with a thorough conventional work-up and a natural healing approach. Dr. Cruz is rated as a Distinguished provider by MediFind in the treatment of Chronic Erosive Gastritis. Her top areas of expertise are Gardner Syndrome, Familial Adenomatous Polyposis, Turcot Syndrome, and Hiatal Hernia.

Advanced in Chronic Erosive Gastritis
Dr. Joseph Fares
Gastroenterology
Advanced in Chronic Erosive Gastritis
Dr. Joseph Fares
Gastroenterology

Honorhealth Ambulatory

19636 N 27th Ave, Suite 408, 
Phoenix, AZ 
 (8.9 miles away)
623-780-0100
Languages Spoken:
English
See accepted insurances
Offers Telehealth

Joseph Fares is a Gastroenterologist in Phoenix, Arizona. Dr. Fares is rated as an Advanced provider by MediFind in the treatment of Chronic Erosive Gastritis. His top areas of expertise are Gastroesophageal Reflux Disease (GERD), Choledocholithiasis, Esophagitis, Gastrectomy, and Colonoscopy.

VIEW MORE CHRONIC EROSIVE GASTRITIS DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Koss's expertise for a condition
ConditionClose
      • Advanced
      • Attenuated Familial Adenomatous Polyposis
        Dr. Koss is
        Advanced
        . Learn about Attenuated Familial Adenomatous Polyposis.
        See more Attenuated Familial Adenomatous Polyposis experts
      • Chronic Erosive Gastritis
        Dr. Koss is
        Advanced
        . Learn about Chronic Erosive Gastritis.
        See more Chronic Erosive Gastritis experts
      • Colitis
        Dr. Koss is
        Advanced
        . Learn about Colitis.
        See more Colitis experts
      • Congenital Diaphragmatic Hernia
        Dr. Koss is
        Advanced
        . Learn about Congenital Diaphragmatic Hernia.
        See more Congenital Diaphragmatic Hernia experts
      • Cronkhite-Canada Disease
        Dr. Koss is
        Advanced
        . Learn about Cronkhite-Canada Disease.
        See more Cronkhite-Canada Disease experts
      • Diverticular Disease
        Dr. Koss is
        Advanced
        . Learn about Diverticular Disease.
        See more Diverticular Disease experts
      View All 19 Advanced Conditions
      • Experienced
      • Acute Pancreatitis
        Dr. Koss is
        Experienced
        . Learn about Acute Pancreatitis.
        See more Acute Pancreatitis experts
      • Anal Fissure
        Dr. Koss is
        Experienced
        . Learn about Anal Fissure.
        See more Anal Fissure experts
      • Anemia
        Dr. Koss is
        Experienced
        . Learn about Anemia.
        See more Anemia experts
      • Angiodysplasia of the Colon
        Dr. Koss is
        Experienced
        . Learn about Angiodysplasia of the Colon.
        See more Angiodysplasia of the Colon experts
      • Ascites
        Dr. Koss is
        Experienced
        . Learn about Ascites.
        See more Ascites experts
      • Bacterial Gastroenteritis
        Dr. Koss is
        Experienced
        . Learn about Bacterial Gastroenteritis.
        See more Bacterial Gastroenteritis experts
      View All 49 Experienced Conditions
      Want to save this doctor for later?
      Sign Up
      Is this your doctor?
      Find A Second Opinion
      Not sure about your diagnosis?
      Check Your Symptoms
       
       
       
       
      Learn about our expert tiers
      Learn More
      Are you the provider on this profile?
      Claim Profile
      For Patients
      • Our Story
      • How MediFind Works
      • Conditions A-Z
      • Doctor Directory
      • Symptoms Directory
      • Procedures Directory
      • Treatment Directory
      • Drug Directory
      • Infusion Center Finder
      • FAQ
      • Contact Us
      For Providers and Practices
      • Claim Your Profile
      • Newsroom
      Business Solutions
      • Provider
      • Network Solutions
      Additional Resources
      • Consumer Health Data Privacy Policy
      • Privacy Policy
      • Terms of Use
      • Advertising Policy
      • Content Policy
      Subscribe to our newsletter

      Sign up to stay informed about MediFind and get wellness sent your way.

      Close

        By subscribing, I agree to MediFind's Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.

        Bullet PinMediFind
        Follow us on
        This information is not intended as a substitute for informed medical advice. You should work with a licensed professional to diagnose and treat health conditions. We let the data speak for itself, MediFind does not endorse any healthcare providers.
        © 2026 All Rights Reserved

        Request an Appointment

        If you are experiencing a medical emergency, call 9-1-1.

        MediFind will contact the provider for your appointment request. You’ll receive status updates by email. Your provider or MediFind will reach out to you directly by phone or email to schedule your appointment or request additional information.

        Patient Details

        This information is for the patient who will be seen at the appointment.

          Close

          Returning patient? Use your address on file with the provider.

          Insurance Details

          Please provide information of the primary insurance holder as the practice may require this information to schedule.

          Insurance Provider *
          Insurance ProviderClose

          Appointments Details

          Let’s get more information about your appointment.

                  0 / 1000
                  0 / 1000
                  By pressing the Submit button you are agreeing to MediFind’s Terms of Use, Privacy Policy and Consumer Health Data Privacy Policy, as applicable.