Lone Star Oncology

Lone Star Oncology is a community-based medical oncology and hematology practice providing treatment for patients diagnosed with all types of cancer and blood disorders. Through compassionate care that centers around the patient, we strive to provide the best possible experience to patients and their families throughout the healthcare journey.

Our Services

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Medical Oncology

We use chemotherapy, biological agents or other medications, such as targeted therapies, immunotherapy and oral (pill form) chemotherapy, to treat cancer.

View cancers we treat >

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Hematology

We treat patients with all types of hematologic malignancies, including rare blood-based liquid tumors and autoimmune abnormalities.

Learn more about this service >

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Pathology

We serve our patients’ laboratory needs locally, reducing their trips to multiple locations often required for routine and specialized laboratory testing.

Benefits of a centralized lab >

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Pharmacy

The use of oral oncolytic medications in cancer treatment is fast growing. We provide in-house specialty pharmacy services with experienced staff.

Prescription refill information >

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Care Coordination

The journey you are about to begin can be confusing and difficult. Your team will be invaluable in helping you successfully navigate the treatment process.

Your care team >

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Clinical Trials

Our goal is to give patients the opportunity to participate in approved and exploratory therapies without long-distance travel.

Why participate in clinical trials? >

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Financial Support

You will meet with a financial counselor during one of your initial visits and at any time that you have questions about your account or insurance coverage.

Find patient assistance programs >

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Your Team

Brian J. Shimkus, MD

Oncology and Hematology

M. Hassan Sabbagh, MD

Oncology and Hematology

Locations

Main Office

3201 S. Austin Ave, Suite 315
Georgetown, TX 78626

Phone: (512) 358-9428

Fax: (737) 710-1920

Driving Directions >

Austin

608 Radam Lane
Austin, TX 78745

Driving Directions >

Testimonials

Nov 5th, 2024

★★★★★

Dr Shimkus is thorough, kind and a great communicator. His staff are wonderful, thorough and reassuring. I appreciate their care so much

Nov 3rd, 2024

★★★★★

Dr Shimkus is incredibly intelligent, professional and caring. I am so grateful to have him as my oncologist. He is the very best!!!

Nov 1st, 2024

★★★★★

Dr. Shimkus and his staff are amazing. They are all kind, courteous and caring.

Nov 1st, 2024

★★★★★

My treatment with Dr. Shimkus has resulted in better health. I am very happy with my results!

Oct 27th, 2024

★★★★★

Dr Shimkus is great. He always has time to answer questions. Feel very confident being treated by Dr. Shimkus.

Latest Updates

What to Know About Safely Storing Cancer Medications

Sep 23rd, 2024

Blog

Simple steps to shield your medications from the sun and heat, ensuring they work as intended. Safeguard your health with these strategies.

Lone Star Oncology is now partnering with Urology Austin!

Sep 20th, 2024

News Post

Dr. Sabbagh is now also seeing patients at Urology Austin’s Radam Lane clinic.

Man Up Against Cancer: Prevention Tips for Men

Aug 9th, 2024

Blog

Discover essential cancer prevention tips for men of all ages. Learn how to understand cancer risks and take proactive steps to protect your health.

Choosing the Right Sunscreen For You

Jul 12th, 2024

Blog

Make an informed decision when selecting the right sunscreen to protect you from the sun’s harmful rays. Here is what you need to know.

Lone Star Oncology and American Oncology Network Welcome New Board-Certified Physician to Care Team

Apr 29th, 2024

News Post

Dr. Sabbagh brings over 20 years of experience in treating various cancer types.