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ATLANTA: 1800 Howell Mill Rd • Suite 800 • Atlanta, GA 30318 • 404-350-9853
FAYETTEVILLE: 1267 Highway 54 West • Suite 4200 • Fayetteville, GA 30214 • 678-829-1060
NEWNAN: 775 Poplar Rd. • Suite 310 • Newnan, GA 30265 • 770-251-2590
SANDY SPRINGS: 755 Mount Vernon Hwy NE • Suite 320 • Atlanta, GA 30328 • 404-350-8711
STOCKBRIDGE: 1240 Eagles Landing Parkway • Suite 260 • Stockbridge, GA 30281 • 678-854-9500
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Meet William S. Jonas, MD

Dr. William Jonas is an experienced oncologist and hematologist at Piedmont Cancer Institute and is the former President of the medical staff at Piedmont Hospital. He treats patients with all cancer types given his extensive experience in oncology and hematology.

Professional Affiliations

  • American Society of Clinical Oncology (ASCO), Member
  • American Society of Hematology (ASH), Member
  • Georgia Society of Clinical Oncology (GASCO), Lifetime Member

Publications & Contributions

  • Georgia Comprehensive Sickle Cell Center at Grady Health System Award of Appreciation
  • Translation of Innovative Designs into Phase I Trials. Journal of Clinical Oncology
  • Cancer: Principles and Practice of Oncology Review
  • The promise of immunotherapy in prostate cancer: From concept to reality
  • A Multidisciplinary Care Management Program for Patients with Sickle Cell Syndromes Significantly Reduces Health Care Resource Utilization

Appointments & Presentations

  • Past President of Medical Staff - Piedmont Hospital
  • Past Chair, Department of Medicine - Piedmont Hospital
  • Past Presenter - American Society of Hematology

Testimonials from Dr. Jonas's Patients

March 2024

Dr. Jonas is a very knowledgeable doctor. He cares, answers all our questions, and spends time with us during the visits.

March 2024

Dr. Jonas is very personable and at the same time he's quick to the point. No waiting around in the lobby or in his office. Very efficient office and glad to have Dr. Jonas as my doctor.

March 2024

Dr. Jonas always listens.

March 2024

Dr. Jonas is a wonderful caring doctor.

March 2024

Easy check in and out, never have to wait long, Dr Jonas is always very pleasant, gets right to point and makes sure any questions are answered before you leave.

March 2024

Dr. Jonas always takes time to review and answer any questions. Excellent care provided by doctor and support staff!

March 2024

I've been a patient for several years, Dr Jonas goes above and beyond for his patients, I tell everyone how good he and his staff are.

March 2024

Best not to get cancer, but no better care if you do. Dr. Jonas is knowledgeable, kind, and has a good sense of humor.

March 2024

I've known Dr. Jonas for more than 15 years. He treated my parents for cancer as well. I knew that I wanted him as my doctor because he treated us like family. He's a compassionate and caring doctor.

March 2024

Every person I met was skilled and professional. Special kudos to the amazing phlebotomist! Dr Jonas was honest and to the point. Great chance to meet a staff that works well together.

March 2024

Dr. Jonas was compassionate in giving medical information. He provided all options to the patient and the family. Over the past six years of treatment Dr. Jonas has been a superior clinician and involved the family in all phases of the patients treatment plan. We couldn't ask for better medical treatment.

March 2024

Dr. Jonas is a great doctor.

March 2024

Dr. Jonas was wonderfully patient and thorough for my 93 year old Mom who has a bit of dementia and newly diagnosed with breast cancer. He had a great bedside manner and sense of humor. He gave her simple but effective explanations and then was very helpful when we asked questions. Happy to be in his care (and his PA Allison was outstanding as well!!!)

March 2024

Very appreciative for Dr. Jonas' professionalism and friendliness.

February 2024

Dr. Jonas is very direct, personal, expert all at the same time. He gives a gift that I feel very honored to receive.

View Testimonials About PCI

Office Locations

William S. Jonas, MD sees patients at the following PCI offices.



1800 Howell Mill Rd, Suite 800, Atlanta, GA 30318


Map & Directions

Five Atlanta Area Locations

Providing the highest quality cancer treatment services close to home.

WebMD Preferred Provider Castle Connolly Top Doctors 2023 Castle Connolly Top Doctors 2022 GASCO Lifetime Group Member Georgia Trend Top Doctors Atlanta Magazine Top Doctors Best of North Atlanta 2022 Kev's Best