Summary

Dr. Leo Treyzon is a gastroenterologist and internal medicine physician who earned his medical degree from the University of California San Diego School of Medicine. He completed his residency training at Cedars Sinai Medical Center, where he developed expertise in digestive health and comprehensive internal medicine care. With 25 years of experience treating patients, Dr. Treyzon brings extensive knowledge to his practice. He is fluent in both English and Spanish.

Dr. Treyzon practices at Cedars Sinai Medical Center in West Hollywood, California, where he maintains hospital affiliations. His clinical focus includes treating colon polyps and addressing changes in bowel habits. He also provides care for patients with noninfectious gastroenteritis and other digestive conditions. Dr. Treyzon performs colonoscopies and lower gastrointestinal endoscopy procedures to diagnose and treat various conditions. He also conducts pathology tests to help determine the best treatment approach for his patients. Patients have given him an average rating of 4.6 stars.
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Overview based on verified provider data

Quick Facts

  • 4.5
  • 25 years of experience
  • 30 insurance plans accepted
  • speaks English, Spanish
  • Cedars Sinai Medical Center
  • 21 written reviews
  • 2 specialties
  • 19 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 1 office location
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Location

Cedars Sinai Medical Center

8700 Beverly BlvdWest Hollywood, CA 90048

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Dr. Leo Treyzon, MDAshley Anderson, APRNChimdi Mfebe, APRNRachel Oliver, APRN
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
25 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks English, Spanish Speaks English Speaks English Speaks English
West Hollywood , CASACRAMENTO , CALittle Rock , ARSACRAMENTO , CA
Med School: University Of California San Diego School Of Medicine Med School: East Tennessee State University - Quillen College of Medicine Med School: Chamberlain University College of Nursing Med School: University of South Alabama
Current Profile
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Insurance Plans Accepted by Dr. Leo Treyzon

  • Aetna
  • Aetna - Medicare
  • Anthem Blue Cross
  • Blue Cross Blue Shield
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • Cigna
  • Health Net
  • HealthPartners
  • Horizon Blue Cross Blue Shield of New Jersey
  • Humana
  • Kaiser Permanente
  • L.A. Care Health Plan
  • L.A. Care Health Plan - HMO
  • Liberty HealthShare
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Oscar Health Insurance
  • Three Rivers Providers Network (TRPN)
  • Tricare
  • UnitedHealthcare
  • UnitedHealthcare - HMO
  • UnitedHealthcare - Medicare
  • UnitedHealthcare - PPO
  • UnitedHealthcare Community Plan - Medicaid (Managed)
  • Western Health Advantage

Medical Specialties

Dr. Leo Treyzon has the following 2 specialties

Specialty Expertise

Dr. Leo Treyzon has the following 19 areas of expertise

  • Abdominal Pain
  • Acid Reflux Disease (GERD)
  • Celiac Disease
  • Colitis
  • Colon Cancer
  • Colonoscopy
  • Constipation
  • Diarrhea
  • Gastrointestinal Diseases (GI Diseases)
  • Gastrointestinal Endoscopy
  • Gastrointestinal Hemorrhage
  • Hemorrhoids
  • Ichthyosis Bullosa of Siemens
  • Internal Medicine
  • Irritable Bowel Syndrome (IBS)
  • Malnutrition
  • Nutrition Disorders
  • Stomach Cancer
  • Ulcerative Colitis

Certifications, License, & Education

25 Years Experience

Dr. Leo Treyzon holds an active medical license in the state of California.

Medical License

Medical Doctor with an active medical license in the state of California that expires in 2026.

Education & Training

Residency

Completed their residency at Cedars Sinai Medical Center.

Medical School

Graduated from University Of California San Diego School Of Medicine in 2001.

NPI Number

Dr. Treyzon's NPI number is 1740304203.

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Frequently Asked Questions

What languages does Dr. Leo Treyzon speak?
Dr. Leo Treyzon speaks English and Spanish.
Where is Dr. Leo Treyzon's office located?
Dr. Leo Treyzon's office is located at 8700 Beverly Blvd, West Hollywood, CA, 90048.
Which hospitals is Dr. Leo Treyzon affiliated with?
Dr. Leo Treyzon is affiliated with Cedars Sinai Medical Center.
Does Dr. Leo Treyzon accept my insurance?
You can see the insurance plans that Dr. Leo Treyzon accepts on their Vitals profile.
Does Dr. Leo Treyzon accept virtual/telehealth appointments?
Dr. Leo Treyzon has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.

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