Santa Clarita

Conveniently located just minutes from the 5 Freeway, City of Hope's Santa Clarita practice puts our cancer patients within easy reach of additional medical, laboratory and diagnostic radiology services.

34.4138597, -118.5525404

23823 Valencia Boulevard
Suite 250
Santa Clarita, CA 91355
(661) 799-1999

Monday through Friday: 8 a.m. to 5 p.m.
Closed on major federal holidays

Visitor Policy
  • Clinical Services
  • Planning a Trip
  • Our Physicians
  • Insurance Information

City of Hope cares for patients from prevention through survivorship by pairing our expertise in numerous cancers and conditions with world-class technologies and services.

We are dedicated to creating a positive and healing environment in our spacious chemotherapy and infusion area. Lit by skylights and painted in soothing earth tones, features such as large and relaxing chairs, warm blankets, a patient nutrition bar stocked with healthy snacks, and free guest Wi-Fi and iPads all contribute to making our patients’ time here for treatment as comfortable as possible.

City of Hope’s renowned physicians and researchers utilize the latest in technology and innovation to treat cancer, coupled with our enduring belief in providing unparalleled compassionate care.

Is My Insurance Accepted?

View a list of insurance companies that City of Hope currently contracts with for its locations and physicians. Even if your plan is included, check with your insurance company to make sure you are covered. Your insurance company/medical group will tell you if you need any authorizations.

If you wish to receive treatment at City of Hope, but we're not currently contracted with your insurance plan, contact your insurance company and ask about obtaining authorization to receive treatment here.

View our pricing and billing

Provider based billing

No Surprise Billing

When you're treated by an out-of-network provider at an in-network facility, you are protected from balance billing. In these cases, you shouldn't be charged more than your plan's copayments, coinsurance and/or deductible. Learn about your rights and protections against surprise medical bills

Explore City of Hope | Santa Clarita

Our warm and welcoming 8,500-square-foot facility offers multiple exam and treatment rooms for patient comfort and convenience, expanding access to City of Hope’s world-class level of care.

Exterior of City of Hope Santa Clarita Building
Our Physicians
Fornati Bedell
Santa Clarita; Palmdale

Fornati Bedell, M.D., M.H.S., urologic surgeon and assistant clinical professor in the Division of Urology and Urologic Oncology within the Department of Surgery.

Kai Dallas, M.D.
Kai Dallas, M.D.
Urologic Surgeon
Santa Clarita; Palmdale

Kai Dallas, M.D., is a assistant clinical professor in the Department of Surgery at City of Hope.

Maria de Leon
Maria C.B. de Leon, M.D.
Gynecologic Oncologist
Antelope Valley; Mission Hills; Santa Clarita

Maria de Leon, M.D., is an assistant clinical professor in City of Hope's Division of Gynecologic Oncology, specializing in diagnosis and treatment of cervical, endometrial/uterine and ovarian cancers.

George Hajjar
George Hajjar, F.A.C.P., M.D.
Medical Oncologist and Hematologist
Santa Clarita; Antelope Valley

George Hajjar, M.D., is a medical oncologist and regional medical director for Antelope Valley and San Fernando Valley.

Donald Hannoun, M.D.
Urologic Oncology Surgeon
Palmdale; Santa Clarita

Donald Hannoun, M.D., is a surgeon practicing urology and urologic oncology at City of Hope | Antelope Valley and Santa Clarita.

Harold Huss bio image
Harold Theodore Huss, D.O.
Surgical Oncologist
Santa Clarita; Antelope Valley

Harold Huss, D.O., is a associate clinical professor in the Division of Surgical Oncology, Department of Surgery, at City of Hope's Antelope Valley and Santa Clarita locations.

Thomas Joseph
Thomas P. Joseph, M.D.
Medical Oncologist and Hematologist
Santa Clarita; Simi Valley

Thomas P. Joseph, M.D., is a medical oncologist and assistant clinical professor in the Department of Medical Oncology & Therapeutics Research

Michael Lao
Michael Lao, M.D.
Urologic Surgeon
Santa Clarita; Palmdale

Michael Lao, M.D., is an assistant clinical professor practicing urology and urologic oncology at City of Hope in Antelope Valley and Santa Clarita.

Wei-Chien Michael Lin, M.D.
Gynecologic Oncologist
Mission Hills; Santa Clarita

Wei-Chien Michael Lin, M.D., is a gynecologic oncologist at City of Hope's Mission Hills and Santa Clarita, California, locations.

Yih Dar Nien
Yih-Dar Nien, M.D.
General Surgeon
Santa Clarita; Antelope Valley

Yih-Dar Nien, M.D., is a cancer surgeon at City of Hope's Antelope Valley and Santa Clarita locations.

Need Help?
We’re here for you, contact us and we’ll answer any questions.