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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
LOCUST GROVE: 4877 Bill Gardner Pkwy • Locust Grove, GA 30248 • 678-399-7190
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: 290 Country Club Drive • Suite 100 • Stockbridge, GA 30281 • 678-854-9500

Meet Rajni Sinha, MD, MRCP

Dr. Rajni Sinha returned to Atlanta and joined Piedmont Cancer Institute in 2016 after caring for cancer patients in a busy practice in Chattanooga.

Dr. Sinha is a member of the American Hematology Society, Clinical Research Training Institute, which focuses on clinical trial design and implementation. She is experienced as a principal investigator of industry-sponsored clinical trials and has performed investigator-initiated trials.

Dr. Sinha has authored or co-authored several journal publications and abstracts in the field of oncology.

Dr. Sinha has 2 children, enjoys swimming, biking, gardening, traveling to new destinations, and reading.

Professional Affiliations

Professional Distinctions

  • Solid tumor focus including breast cancer, hepatobiliary/gastrointestinal and hematological malignancies
  • Former Assistant Professor of Hematology and Oncology at Emory University School of Medicine
  • American Hematology Society, Clinical Research Training Institute - Member
  • Presenting speaker at ASH, ASCO, and Leukemia & Lymphoma Society conferences

Testimonials from Dr. Sinha's Patients

July 2025

Dr. Sinha discussed my diagnosis and treatment options in great detail. She put me at ease and took plenty of time with me to be sure I understood what is ahead, and answered all of my questions. The Nurse and Nurse Practitioner were also very thorough. I'm impressed with the staff and the facilities are excellent, too.

July 2025

I am grateful to GOD and the wonderful healthcare team at Piedmont Cancer Institute for taking such good care of me and giving me the opportunity to live Part 2 of my life with more clarity and appreciation for those who work with rare cancers. Dr. Sinha never waivered in her calm approach and professionalism.

July 2025

Dr. Sinha was excellent. She clearly explained my situation and the next steps I need to take toward my recovery. She definitely put me at ease. I would recommend her to anyone going through cancer.

July 2025

Have been working with Dr. Sinha for a few years. She continues to offer the same professional service as always. Would highly recommend her services.

July 2025

Dr. Sinha is outstanding. Do very good at caring for her patients. Always feel you can talk to her about any concerns you might have. Very much hands on with your treatment and your therapy.

June 2025

Dr. Sinha is kind, courteous, professional and listens and explains any and all concerns.

June 2025

Dr. Sinha was fantastic, caring and thorough. The office is extremely efficient and nice as well. I was impressed how quickly tests and appts were scheduled. They helped reduce a lot of the stress that comes with a medical scare.

June 2025

Great staff and Dr. Sinha is a wonderful Doctor. They respected me and my time. Gave me choices and helped me make an informed decision.

June 2025

I certainly will recommend Dr Sinha to family or friends that might find themselves in need of a good oncologist.

June 2025

Dr Sinha answers all my questions and doesn't rush the call. She is very thorough and continues to provide information regarding expectations for pain resolution. I recommend her to all who need cancer treatment with an oncologist.

June 2025

Dr.Sinha, Is the absolute best Dr. she has made this Journey easy. She listens and give the very best medical advice.

June 2025

Thank Dr.Sinha, You have made this Journey easy. Thank you for being my doctor.

June 2025

Dr. Sinha was very pleasant and helpful and gave me great news there was no new cancer.

June 2025

I've been a patient of Dr. Rajni Sinha at PCI since 2016, when I was first diagnosed with a disorder. Under her vigilant care I have received treatment, and I must say, I'm doing better than I could ever have imagined. Dr. Sinha is an expert in her field, yet she's kind, her persona has a calming effect, she listens and remembers previous conversations. My thanks to Dr. Sinha and her team for the exceptional care they provide.

June 2025

Dr. Sinha is very flexible and accommodating during appointments, whether in person or via telehealth. I often have my sister, a retired doctor, join us during my appointments to ask medical questions and to advocate on my behalf. Dr. Sinha has been receptive and responsive to me and my sister whenever we have interacted. I have been pleased with her professional and caring demeanor.

View Testimonials About PCI

Office Locations

Rajni Sinha, MD, MRCP sees patients at the following PCI offices.

The Atlanta office of Piedmont Cancer Institute | Atlanta Oncologists

Atlanta

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

404-350-9853

Map & Directions

The Sandy Springs office of Piedmont Cancer Institute | Atlanta Oncologists

Sandy Springs

755 Mount Vernon Hwy NE, Suite 320, Atlanta, GA 30328

404-350-8711

Map & Directions

Six Atlanta Area Locations

Providing the highest quality cancer treatment services close to home.

WebMD Preferred Provider Castle Connolly Top Physician Practices Castle Connolly Top Doctors 2024 Castle Connolly Top Doctors 2023 Castle Connolly Top Doctors 2022 GASCO Lifetime Group Member Georgia Trend Top Doctors Atlanta Magazine Top Doctors 2023 Atlanta Magazine Top Doctors 2023 Best of Perimeter 2023 Best of Perimeter 2023 Best of North Atlanta 2024 Best of North Atlanta 2023 Best of North Atlanta 2022 Atlanta's Best 2023 Kev's Best