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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

December 2025

Doctor Sinha was great. She explained in great details what was going on and what the next steps should be. All the staff at the Center was amazing. Thanks!

December 2025

Excellent doctor. She listens very well and explains in terms you can understand. Answers every question. Shows genuine concern about whatever you have going on whether it's health related or personal, and gives good advice on the personal matters. Dr. Sinha and NP, Ann is also is great. I also love the fact that all my doctors communicate with each other whether big like surgery or small issue like medication change. they ask their peers. My I love my oncologist team.

December 2025

Very caring and attentive. Dr. Sinha is always equipped with the latest information.

December 2025

A very good appointment. She addressed all my concerns and offered solutions for the ones in which she could answer. A very nice and friendly doctor who makes me feel that she cares about her patients.

December 2025

Dr. Sinha was extremely helpful and explained all of my issues clearly in a way that was easy to understand.

December 2025

I am continually impressed w the way all staff shows expertise and diligence at their craft. Having been in hospital a lot this past year, all of this group seem to be a cut above. I thank them all!

November 2025

Dr. Rajni is so knowledgeable and personable! She is also a great listener and provides the essential resources as needed.

November 2025

Dr. Sinha is a wonderful doctor. She spent time with me, offered great insights and appropriate referrals to other resources to help me.

November 2025

Dr. Sinha was great. The entire experience was great. She and the other staff members thoroughly addressed my questions. I wasn't rushed through the visit even though I arrived late due to confusion with the office address.

November 2025

Dr. Sinha's team is efficient. PA Anna and the MA Stacy were very nice. Dr. Sinha discussed a plan of care with options and I agreed with the plan. The phlebotomist Eduardo drew my blood with zero pain. This was a good first visit.

October 2025

Dr. Sinha with Piedmont Cancer Institute has provided me with excellent care in medical oncology. She actively listens and answers my questions using data and experience. She is professional and courteous. I have a lot of trust in her which helps me navigate my own decisioning and care concerns.

October 2025

Dr. Sinha, came in with notes that she had ready from the initial assessment with the medical assessment. I was asked my questions during my assessment so Dr. Sinha, already was ready to address those and not rush my additional concerns. She is thorough, detailed and graphic. She draws pictures with her explanations and make sure that you understand. She explained all tests that she wanted to run via labs and made sure I wanted these tests and asked if I wanted a test that may be expensive and not covered by insurance, however at this time she did not feel it was necessary. Thank you for your honesty and transparency. She is kind, knowledgeable and understanding. Thank you.

October 2025

Fortunate to have Dr. Sinha as my doctor. She is superb in explaining my treatment and responding to my concerns. She closely monitors my progress, and she is responsible for the care that has greatly improved my condition.

October 2025

Dr. Sinha always exceeds my expectations. I am fortunate to have her as my doctor. She is a masterful communicator who speaks and maintains a comfortable formality of professionalism with an affable familiarity. She answers my questions succinctly, but is patient in reassuring me that I understood what she said. She explains her diagnosis and treatment plans. In the 8 months she has treated me, my multiple myeloma condition has improved remarkably. I highly recommend Dr. Sinha and her professional staff.

October 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.

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 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