Our mission is to provide compassionate, quality, patient-centered care to patients with kidney disease and hypertension. We focus our care on the needs of the individual patient coupled with the best, state-of-the-art standards in our field.

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About

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Dr. Christine Vigneault

I am a native New Englander and grew up by the shoreline in Branford, CT. I went to the University of Connecticut for my undergraduate studies. I completed my medical school training at Eastern Virginia Medical School in Norfolk, VA before returning to Connecticut to complete my residency training in internal medicine at UConn. I also acted as Chief Medical Resident during my training at the University of Connecticut. I completed my nephrology training at Yale before joining Greater Hartford Nephrology in 2011.

My nephrology interests include glomerulonephritis, electrolyte disturbances, chronic kidney disease care and prevention. I want to ensure my patients understand their kidney related problems. I believe that one must understand their health conditions to gain control over their health. In addition, I have particular interest in care of patients on peritoneal dialysis and post-transplant.

I act as medical director of the in center and home dialysis programs at Davita Hartford. My role in the practice is both clinical and helping with the administrative tasks of the practice.

FUN FACTS:

I love anything outdoors including gardening, swimming, hiking and camping.
I also enjoy working with my hands. I am an avid knitter and amateur potter.
I love to travel, especially anywhere I can go scuba diving.

Dr. Ari Geller

I grew up in a small town in Westchester New York, and received my undergraduate education at Washington University in St Louis. I received my medical degree at New York College of Osteopathic Medicine (NYCOM) in Westbury, NY.

I am a board certified clinical nephrologist and have been in practice since 2008. My residency, chief residency and nephrology fellowship were completed at Lenox Hill Hospital in New York City. After fellowship, I moved to the Hartford area and have been a part of this amazing community ever since. I find the subject of nephrology fascinating, as a whole, and manage all aspects of nephrology including acute kidney injury, hypertension, electrolyte disturbances and chronic kidney disease. I have a special interest in hyponatremia (low sodium), IgA Nephropathy, Hepatorenal Syndrome and also ADPKD (polycystic kidney disease). Always engaged in research, I have been the primary investigator in numerous clinical trials spanning hyponatremia (low sodium), anemia, hypertension (high blood pressure), dialysis, inheritable kidney disease and chronic kidney disease.

As a doctor, my intention is to help patients skillfully manage their kidney disease and high blood pressure. Being diagnosed with kidney disease can be a scary experience, and I feel that I have the experience, patience and compassion to guide them through this difficult diagnosis. My goal is to help patients make the correct decisions in order to improve their overall health and to prevent progression of kidney disease. I truly value my long term relationships with my patients and their families.

FUN FACTS:

In my free time I enjoy biking, hiking, general fitness and skiing.
I love spending time with my family and my dog.
I love to travel.
I am also a consummate foodie and enjoy dining out and cooking.

Dr. Meghana Gaiki

I did my medical schooling from NTR university, at the prestigious state School of Osmania Medical College, Hyderabad, India. After a couple of research jobs at different hospitals in NJ, I was accepted into the Internal Medicine residency program at Lenox Hill Hospital, NYC. I stayed on to complete fellowship in Nephrology during which time it became affiliated with Northwell Health. After a brief stint of jobs in Santa Rosa, California, I moved back to the East Coast to join Greater Hartford Nephrology and I have been here since 2014!

The most fulfilling part of my job is that I can be of assistance to people who suffer from kidney disease and help them through all stages of the disease. Whether it’s a new diagnosis of kidney injury that can be treated and hence prevent progression to end stage kidney disease or helping people navigate through the different dialysis options or kidney transplant or blood pressure issues, I find my job deeply satisfying. I help run the nephrology clinic at Saint Francis Hospital which aims at providing care to the underserved in the Hartford area.

FUN FACTS:

I am married and have 3 boys- a teenager and a set of twins, so there is never a dull day!
We adopted a Great Pyrenees Hound mix named Susie at the beginning of the pandemic and she completes our family!
I love hiking, biking, nature walks with Susie, organizing, home staging and decor!
I love to curl up with a good mystery novel and attempt to solve the mystery myself. Perhaps that’s why nephrology appeals to me because it’s a lot of investigative work!

Dr. Sharad Sathyan

A South India native, I immigrated to Connecticut to continue my medical training in 2006. After completing my residency and chief residency at the University of Connecticut, I completed my nephrology training at The New York Presbyterian Hospital in 2012. I then spent an additional year as a fellow in kidney transplantation at The Mount Sinai Hospital in New York. Aside from kidney transplantation, I have a keen interest in gout, IgA nephropathy, obesity and metabolic health as well as onco-nephrology which stems from time spent at Memorial Sloan Kettering Cancer Center during my fellowship. I am also the medical director at Davita dialysis clinics in Bloomfield, CT and Westside/ Manchester, CT which is onsite at a local nursing home. Before returning to Connecticut and joining Greater Hartford Nephrology in 2017, I practiced in rural Missouri providing care to the underserved, and in New York’s beautiful Hudson Valley. I enjoy being part of this energetic and compassionate practice, driven towards providing exceptional, cutting-edge care and improving the health of our patients.

FUN FACTS:

I'm an avid sports fan. I especially enjoy following the English Premier League and the NFL.
· I have sky dived, bungee jumped and worn a live, grown, large python. Once.
· I am fluent in 4 languages.
· I enjoy spending time with my family and have a keen interest in playing tennis, fitness, grilling, and learning about our financial system.

Dr. Akwe Nyabera

I’m a nephrologist with a special interest in glomerular diseases and a deep passion for patient-centered care. What draws me most to nephrology is the privilege of walking alongside patients over time—celebrating wins, navigating challenges, and building meaningful relationships that extend beyond lab values and clinic visits.

I earned my medical degree from St. George’s University, completed my Internal Medicine residency at Mt Sinai Queens Hospital, and pursued Nephrology fellowship training at University of Texas Health Science Center - San Antonio, followed by an additional dedicated glomerular disease fellowship at NewYork-Presbyterian/Columbia University Irving Medical Center.

FUN FACTS:

Outside the hospital, I’m a curious foodie who loves exploring new cuisines, an avid hiker who enjoys getting lost in nature, and a creative crocheter who finds joy in turning yarn into something beautiful. When I’m not doing any of the above, you’ll likely find me planning my next travel adventure or spending quality time with friends and family.

Dr. Stephanie Floyd

I’m proud to be a member of the Greater Hartford Nephrology team and to practice medicine in a community close to my heart. Born in Hartford and raised on Cape Cod, I have lived in Connecticut at several points in my life and am grateful to now care for the individuals and families of this region.

I earned my undergraduate degree from Mount Holyoke College and my medical degree from the University of New England College of Osteopathic Medicine. I completed my Internal Medicine residency at Kent Hospital through the Brown University program and my Nephrology fellowship at Johns Hopkins School of Medicine.

I value the breadth of nephrology — from educating patients and families in the clinic to managing complex medical conditions and coordinating life-sustaining dialysis care. This allows me to build lasting relationships while supporting patients across the full spectrum of kidney disease.

I have a special interest in hypertension management, onco-nephrology, and complex electrolyte disorders. My approach is grounded in compassionate, evidence-based care, and I am committed to partnering with patients to support their kidney health at every stage.

FUN FACTS:

Prior to entering medicine, I lived and worked aboard a ship as a research technician and scientific diver with the National Oceanic and Atmospheric Administration.
Outside of work, I enjoy reading, exploring Thai cuisine, and traveling whenever I have the opportunity.

Sheldon Stock, APRN

I was born in Connecticut and have lived here my entire life. My journey as a healthcare professional began as a CNA at Hartford Hospital in the emergency department while attending nursing school. I earned my BSN in nursing from Mount Saint Mary’s College, in Newburgh, NY in 2009. I received my MSN from the University of Connecticut, and became a board certified Adult Gerontology Acute Care Nurse Practitioner in 2015. I joined Greater Hartford Nephrology, LLC in 2016.

I am particularly drawn to nephrology because of its complexity and the meaningful, long-term relationships built with patients managing chronic kidney disease. I value the opportunity to educate, empower, and guide patients through dialysis, transplant evaluation, and chronic disease management while collaborating closely with interdisciplinary teams.

My professional interests include chronic kidney disease management, slowing progression of renal disease through early intervention, dialysis modalities and transplant. I am passionate about patient education, improving quality outcomes, and supporting patients as they navigate complex treatment decisions.

FUN FACTS:

I enjoy cooking/hosting and cherish quality time with my family
I make it a priority to be outdoors whenever I can-whether that’s hiking, fishing, and running
I’m an avid sports fan and huge animal enthusiast

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