Welcome to our practice

Renal Physicians Inc. is the oldest and largest nephrology group practice in the Dayton area. Founded by H. Allan Feller, M.D. in 1968, Renal Physicians, Inc. provides all aspects of renal care including office and hospital consultation, hemodialysis, peritoneal dialysis and care of kidney transplant patients. All of our nephrologists are board certified in nephrology. The information on this website should help you to become familiar with our physicians and our practice policies.

Our mission is to care for people by providing high quality and cost effective nephrology services to those needing nephrology services.

Need to Know

More than 26 million Americans have kidney disease. That is one in nine people. 
More people are at risk and don't know it.  If you have diabetes, high blood pressure or family history of kidney disease, you may be at risk of developing kidney disease.  Speak with your doctor about testing for kidney disease if you have any of the listed conditions.

Job Opening

NEPHROLOGIST (Renal Physicians, Inc., for locations in Dayton, Kettering, Miamisburg, Beavercreek, Moraine, Greenville, Fairborn, Huber Heights, & Springboro, OH): Diagnose & treat nephrology patients in hosp. & outpatient settings, incl. provision of renal placement therapy & dialysis; regular, timely & appropriate communication w/ referring physicians & patients; & teaching/oversight of residents & students. Req: MD/DO/foreign degree equiv.; BC/BE in Nephrology; OH license/eligibility; & availability for night & weekend coverage. Submit CV, 3 references (incl. fellowship prog. director) & cover letter to Lisa Pouliot at lpouliot@renalphysicians.com.

Office Locations

Centerville Satellite Office
2350 Miami Valley Drive
Suite 430
Centerville, OH 45459
PH. 937-254-0161
FAX. 937-254-1478
Downtown Dayton

Raj K. Dhingra, M.D., M.S.
Natallia Maroz, M.D., FACP
Adedayo Odunsi, M.D.
Melissa Schnell, M.D. 
Sampath Thiruveedi, M.D.
One Elizabeth Place Suite 190
Dayton, OH 45417
Phone: 937-222-3118
Fax: 937-222-1436

Dayton South
Rakesh K. Gupta, M.D., FASN 
Nilesh Mhaskar, M.D., FASN 
4700 Springboro Pike
Dayton, OH 45439
Phone: 937-294-6711
Fax: 937-294-3376
Dayton East
Nicholas P. Christoff, M.D., FASN 
Siva Ambalavanan, M.D., FRCP, FACP, FASN
1427 Business Center Court
Dayton, OH 45410
Phone: 937-254-0161
Fax: 937-254-1478
Dayton North
Augustus Eduafo, M.D., M.S., FACP, FASN
Melissa Schnell, M.D. 
455 Turner Road
Dayton, OH 45415
Phone: 937-496-5162
Fax: 937-522-0485

Greenville Satellite Office
130 West Martz Street, Suite A
Greenville, OH 45331
Phone: 937-496-5162
Fax: 937-522-0485

Beavercreek Satellite Office
1244 Meadow Bridge Drive
Beavercreek, OH 45434
Phone: 937-254-0161
Fax: 937-254-1478

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Raj K. Dhingra, M.D., M.S.
One Elizabeth Place Suite 190
Dayton, OH 45417
Phone: 937-222-3118
Fax: 937-222-1

General Information!


About your Kidneys
Important information about your kidneys


Office Appointment
Office hours, making an appointment.


Information for Patients
Billing and Health Insurance information


Hospital Affiliations
We see patients at various local hospitals.