Summary

Dr. George Semeniuk specializes in oncology, focusing on cancer care and treatment. He earned his medical degree from Saint George's University School of Medicine and completed his residency training at the University of Texas Health Science Center at Houston, Alameda County Medical Center, and University of Texas Southwestern Medical School. Dr. Semeniuk also completed fellowship training in hematology and oncology at Alameda County Medical Center, along with internal medicine training. With 31 years of experience treating cancer patients, he holds board certification in internal medicine from the American Board of Internal Medicine. He provides care in English.

Dr. Semeniuk practices at Hoag Hospital Irvine and sees patients in Newport Beach and Irvine, California. His expertise includes treating lung cancer and non-small cell lung cancer. He helps patients manage nausea and vomiting that can occur during cancer treatment. Dr. Semeniuk performs infusion therapy and intravenous chemotherapy through specialized infusion clinic services. Patients rate him 4.7 out of 5 stars on average for his compassionate cancer care.
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Quick Facts

  • accepting new patients
  • 4.7
  • 31 years of experience
  • 71 insurance plans accepted
  • speaks English
  • University of Texas Health Science Center at Houston Program
  • 8 written reviews
  • 1 specialty
  • 11 areas of expertise
  • 2 board certifications
  • 1 hospital affiliation
  • 3 office locations
  • Male

Office Locations

Dr. George Bernard Semeniuk, IIi has 3 locations

George Bernard Semeniuk, III, M.D.

1601 Avocado AvenueNewport Beach, CA 92660

George Bernard Semeniuk, III, M.D.

1000 FIVEPOINTIRVINE, CA 92618

City of Hope Newport Beach

601 Avocado AveNewport Beach, CA 92660

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Dr. George Bernard Semeniuk, IIiDr. Virginia Von Schaefer, MDDr. Shahrooz Eshaghian, MD, FACPDr. Ronald Tang, DO
OncologyOncologyOncologyOncology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.7 
4.6 
31 Years of Experience 43 Years of Experience 20 Years of Experience 18 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks English Speaks English Speaks English, Farsi, Hebrew Speaks English, Cantonese, Spanish
Newport Beach , CASan Clemente , CALos Angeles , CAMontebello , CA
Med School: Saint George`s University / School of Medicine Med School: Columbia University College Of Physicians & Surgeons Med School: Albert Einstein College of Medicine Med School: Western Univ Health Sci College Of Osteopathic Medicine Of The Pacific
Current Profile
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Insurance Plans Accepted by Dr. George Bernard Semeniuk, IIi

  • AARP
  • Aetna
  • Aetna - EPO
  • Aetna - HMO
  • Aetna - Medicare
  • Aetna - POS
  • Alignment Health Plan
  • AltaMed Senior BuenaCare (PACE)
  • AltaMed Senior BuenaCare (PACE) - Medicaid (HMO Plans)
  • Anthem Blue Cross
  • BLUE CROSS of CALIFORNIA
  • BLUE CROSS of CALIFORNIA - HMO
  • Blue Shield of California
  • Blue Shield of California - HMO
  • CalOptima
  • CalOptima - Medicaid
  • CalOptima - Medicaid (Managed)
  • Cigna
  • Cigna - PPO
  • GEHA
  • Harvard Pilgrim Health Care
  • Hawaii Medical Service Association (HMSA)
  • Health Net
  • Health Net - ACA
  • Health Net - HMO
  • Health Net - Medicaid
  • Health Plan of Nevada
  • Hometown Health
  • Humana
  • Humana - HMO
  • Humana - PPO
  • Inland Empire Health Plan
  • Kaiser Permanente
  • Kaiser Permanente - HMO
  • Kaiser Permanente - Medicare
  • L.A. Care Health Plan
  • Lincoln Financial Group
  • Medi-Cal - Medicaid
  • Medi-Cal - Medicaid (HMO Plans)
  • Medica
  • Medicaid - Medicaid
  • Medicaid - Medicaid (HMO Plans)
  • Medical Mutual
  • Medicare
  • Medicare - Medicaid
  • Medicare - Medicare
  • Meritain Health
  • Molina Healthcare
  • Molina Healthcare - Medicaid
  • Mutual of Omaha
  • Optima Health
  • Optima Health - Medicaid
  • Optima Health - Medicaid (HMO Plans)
  • Optum Health - Medicaid
  • Optum Health - Medicaid (HMO Plans)
  • Physicians Mutual
  • SCAN Health Plan
  • SCAN Health Plan - HMO
  • SelectHealth
  • SelectHealth - PPO
  • State Farm
  • Transamerica
  • Tricare
  • United American
  • UnitedHealthcare
  • UnitedHealthcare - EPO
  • UnitedHealthcare - HMO
  • UnitedHealthcare - POS
  • UnitedHealthcare - PPO
  • UPMC Health Plan
  • Wellcare

Medical Specialties

Dr. George Bernard Semeniuk, IIi has the following specialty

Specialty Expertise

Dr. George Bernard Semeniuk, IIi has the following 11 areas of expertise

  • Acute Myeloid Leukemia
  • Bone Marrow Transplant
  • Cancer
  • Chemotherapy
  • Chronic Myeloid Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia
  • Lymphoma
  • Myelofibrosis
  • Myeloma

Certifications, License, & Education

31 Years Experience

BOARD CERTIFICATIONS

American Board of Internal Medicine

Internal medicine

MEDICAL LICENSE

Medical Doctor, California, 2026, Active

EDUCATION & TRAINING

Residency

University of Texas Health Science Center at Houston Program
Alameda Co Med Center
Univ Tx Southwestern Med Sch, Hematology/Oncology; Alameda Co Med Ctr, Internal Medicine

Medical School

Saint George`s University / School of MedicineGraduated in 1995
Mechanical EngineeringGraduated in 1995

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Frequently Asked Questions

How can I make an appointment with Dr. George Semeniuk, IIi?
You can find contact information for Dr. George Semeniuk, IIi here on Vitals.
Does Dr. George Semeniuk, IIi accept my insurance?
You can see the insurance plans that Dr. George Semeniuk, IIi accepts on their Vitals profile.
Is Dr. George Semeniuk, IIi accepting new patients?
Dr. George Semeniuk, IIi is accepting new patients on Vitals. View Dr. George Semeniuk, IIi's profile on Vitals to make an appointment.
Where is Dr. George Semeniuk, IIi's office located?
Dr. George Semeniuk, IIi's office is located at 1601 Avocado Avenue, Newport Beach, CA, 92660.
Which hospitals is Dr. George Semeniuk, IIi affiliated with?
Dr. George Semeniuk, IIi is affiliated with Hoag Hospital Irvine.

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