Summary

Dr. Leo Treyzon is a gastroenterologist with expertise in internal medicine who has dedicated 25 years to patient care. He earned his medical degree from the University of California San Diego School of Medicine and completed his residency at Cedars Sinai Medical Center. Dr. Treyzon is fluent in both English and Spanish.

Dr. Treyzon practices at Cedars Sinai Medical Center in West Hollywood, California. He specializes in treating colon polyps, hemorrhoids, and GERD. His procedural expertise includes performing colonoscopies, lower GI endoscopies, and upper GI endoscopies. Patients have given him an average rating of 4.6 on Vitals.

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, MDJan Seiler, APRNRebecca Humphries, APRNChimdi Mfebe, 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 , CAMontgomery , ALSacramento , CALittle Rock , AR
Med School: University Of California San Diego School Of Medicine Med School: Georgia State University Med School: Emory University Med School: Chamberlain University College of Nursing
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 expired medical license in the state of California.

Medical License

Medical Doctor with an expired medical license in the state of California that expired 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.
Is Dr. Leo Treyzon accepting new patients?
Dr. Leo Treyzon has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Does Dr. Leo Treyzon accept my insurance?
You can see the insurance plans that Dr. Leo Treyzon accepts on their Vitals profile.
Which hospitals is Dr. Leo Treyzon affiliated with?
Dr. Leo Treyzon is affiliated with Cedars Sinai Medical Center.

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