Summary

Dr. Ziga Tretjak is a gastroenterologist and internal medicine physician who brings over five decades of medical expertise to his practice. He earned his medical degree from the University of Ljubljana Faculty of Medicine, establishing a strong foundation for his comprehensive approach to digestive health and general internal medicine care. With 53 years of experience treating patients, Dr. Tretjak has developed extensive knowledge in both specialized gastroenterological conditions and broader internal medicine concerns.

Dr. Tretjak practices in Pasco, Washington, and maintains an affiliation with Banner University Medical Center Tucson Campus. He focuses on helping patients with conditions such as abnormal weight gain and gestational diabetes. His practice includes performing bone density tests to assess bone health and fracture risk. Patients have rated Dr. Tretjak 4.0 out of 5 stars, reflecting their confidence in his medical care and expertise.

AI-generated from data on this provider profile.

Quick Facts

  • 4
  • 53 years of experience
  • 4 insurance plans accepted
  • University Of Ljubljani Faculty Of Medicine
  • 2 specialties
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Office Location

Dr. Ziga Tretjak

9605 Sandifur PkwyPasco, WA 99301

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Dr. Ziga Tretjak, MDJi Soo Choi, APRNDr. Wesley Ed Ablemona, MDDr. Carl James Brodie, MD
GastroenterologyGastroenterologyInternal MedicineRheumatology
Accepts New Patients Accepts New Patients Accepts New Patients
3.6 
53 Years of Experience 12 Years of Experience 44 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English
Pasco , WASACRAMENTO , CARichland , WARichland , WA
Med School: University Of Ljubljani Faculty Of Medicine Med School: New York University Med School: St Georges University School Of Medicine Med School: St Louis University School Of Medicine
Current Profile
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Insurance Plans Accepted by Dr. Ziga Tretjak

  • Accepts Medicaid
  • Blue Cross Blue Shield of Texas
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare

Medical Specialties

Dr. Ziga Tretjak has the following 2 specialties

Specialty Expertise

Dr. Ziga Tretjak has the following 11 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colonoscopy
  • Constipation
  • Hemorrhoids
  • Hepatitis C
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Certifications, License, & Education

53 Years Experience

MEDICAL LICENSE

Medical Doctor, Washington, Expired

EDUCATION & TRAINING

Medical School

University Of Ljubljani Faculty Of MedicineGraduated in 1973

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Frequently Asked Questions

Does Dr. Ziga Tretjak accept virtual/telehealth appointments?
Dr. Ziga Tretjak has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
Does Dr. Ziga Tretjak accept my insurance?
You can see the insurance plans that Dr. Ziga Tretjak accepts on their Vitals profile.
Where is Dr. Ziga Tretjak's office located?
Dr. Ziga Tretjak's office is located at 9605 Sandifur Pkwy, Pasco, WA, 99301.
Which hospitals is Dr. Ziga Tretjak affiliated with?
Dr. Ziga Tretjak is affiliated with Banner University Medical Center Tucson Campus.
Is Dr. Ziga Tretjak accepting new patients?
Dr. Ziga Tretjak has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.

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