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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, and traveling to new destinations.

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

June 2026

Wonderfully empathetic , respectful and informative.

June 2026

I love the way she writes everything down for you while she is explaining it. She is very attentive.

June 2026

Fantastic! Dr. Sinha helped with scheduling an appointment while we are on vacation.

June 2026

Most professional! Most knowledgeable! Dr. Sinha takes the time to explain everything regarding course of the disease, how to treat symptoms and possible side effect of meds, etc. Dr. Sinha has a great bedside manner. She's very sweet and compassionate. I highly recommend her!

June 2026

Dr. Sinha is a great Doctor I have been with her for eight years. Always knowledgeable and easy to talk to.

May 2026

Very thorough and thoughtful. Printed all info for us to go over as she remembered that I am a note taker. Throughly explained next steps and made sure that all my questions and concerns were addressed.

May 2026

Excellent Oncologist. She's attentive and is genuinely concerned for her patients. She listens to your concerns and if you don't have any, she still asks questions to be sure to address symptoms or issues you may not have thought about or realized could be a concern.

May 2026

She really took time to get me in to be seen and then really explained what she was seeing happening with my health in a super helpful way. It was my to date BEST experience with a medical professional ... EVER

May 2026

Dr. Sinha and her staff have a great bedside manner. Her team listened well and engaged with me during my first visit as I explained my health journey. Dr. Sinha went above and beyond with my diagnosis and drew diagrams to help better explain my health concern. This is a five star team!!

April 2026

Great first impressions. Looking forward to my next visit. Dr. Sinha is a knowledgeable physician with excellent bedside manners.

April 2026

The facility was clean, the doctor and her staff was courteous and helpful. The doctor listened carefully to my concerns and answered all my questions. She let me feel like a person and not a number. I definitely would recommend Dr Rajini Sinha for all your oncology needs. She is a one in a million.

April 2026

Nice and clean office. All the staff were polite and helpful and gave warm greetings. Dr. Rajni Sinha explained everything to me very thoroughly to where I trusted her prognosis and she was polite and knowledgeable. Amy, the Physician Assistant listened to all my concerns, understood exactly what I was going through and treated me very nicely.

April 2026

Dr. Sinha is an awesome hematologist. She is caring, kind, intelligent, and detailed. I've had issues with my iron levels since having a baby and shes been able to listen and address any concerns as if you are speaking to a close friend. I love the care I experience when visiting her office and am thankful for the experience. Thanks!

April 2026

Dr Sinha is the very best oncologist you could ever ask for. My visit yesterday, I was a little worried about. Once she came in the room my worries went completely away. Her tone, and delivery washed over me. It gave me a sense of peace, as well as reassurance, that everything would be alright!!!

April 2026

Dr. Sinha and her staff are truly amazing. All of them are very kind, compassionate, empathetic and caring. I know I'm in GREAT hands with Dr. Sinha! I have to mention Nicole especially, she has been a God sent! Thank you all for all that you do to care for your patients.

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

Seven Atlanta Area Locations

Providing the highest quality cancer treatment services close to home.

WebMD Preferred Provider Castle Connolly Top Physician Practices GASCO Lifetime Group Member Georgia Trend Top Doctors Atlanta Magazine Top Doctors 2024 Atlanta Magazine Top Doctors 2023 Best of Perimeter 2023 Best of North Atlanta 2025 Best of North Atlanta 2024 Atlanta's Best 2023 Kev's Best