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About

MemorialCare Cancer Institute at Orange Coast is part of MemorialCare Health System in Orange County. The institute operates within MemorialCare Orange Coast Medical Center, which offers MemorialCare Cancer Institute programs alongside heart, breast, orthopedics, obesity, and surgical services. It is headquartered in Fountain Valley, CA, and has a national presence, with executive leadership including the Medical Director of Radiation Oncology for the MemorialCare Cancer Institute at Orange Coast. The center emphasizes world-class quality of care and nonprofit, community-focused healthcare. If you’re specifically seeking a Newport Beach site or physicians, you may want to check the MemorialCare Cancer Institute page for Newport Beach or contact MemorialCare for Newport Beach appointments.

Clinic Type

Cancer Clinic

Address

1441 Avocado Avenue Suite 301, Newport Beach, CA 92660

Phone

657-241-9805

Email

lbmmcmchlbcustomerservice@memorialcare.org

Opening Hours

Hours: Monday - Friday: 8 a.m. - 5 p.m.

Services Offered

  • Cancer Care

Team

  • John S Link, MD — Hematology-Oncology, Oncology
  • Lisa Elena Guerra, MD — General Surgery, Surgery - Breast
  • Wael A Harb, MD
  • Irina Sachelarie, MD — Hematology-Oncology, Hematology/Oncology

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Healthgrades: 4.8 out of 5 stars (based on 73 reviews) for Dr. John Link (73)
  • Healthgrades: 4.2 out of 5 stars (based on 15 reviews) for Dr. Irina Sachelarie (15)
  • Healthgrades: 4.1 out of 5 stars (based on 31 reviews) for Dr. Wael Harb (31)

Patients praise

  • highly knowledgeable and expert physicians
  • compassionate and patient-centered care approach
  • thorough explanations of test results and treatment plans
  • supportive nursing and navigator programs for cancer patients
  • clean and well-maintained office facilities

Common complaints

  • reports of long wait times for appointments and in the exam room
  • concerns about office staff communication and responsiveness
  • occasional dissatisfaction with bedside manner and professionalism of certain providers

"My husband and i love Dr. John Link because he is a great Oncologist and a very knowledgeable Doctor, kind, humble, Patient and a very interesting man and we always look forward to our visit with him."

Healthgrades patient review for Dr. John Link

"The office attitude at Harb is extremely poor. There are often very long wait times, and they frequently fail to answer phone calls. The office needs better supervision, as mistakes are common and tasks often need to be redone multiple times."

Healthgrades patient review for Dr. Wael Harb

Synthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 10, 2026.

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