Nephrology in Rockville, Maryland
Data updated monthly · Last refresh September 2026
11 Nephrology providers practice in Rockville. Listings are drawn from federal public records and are not endorsements.
Nephrology providers in Rockville
Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. David Kessler, M.D.Rockville, MD · $203 in drug and device payments (2025) ·
(301) 740-1030 Dr. Jeffrey Perlmutter, M.D.Rockville, MD · $3,025 in drug and device payments (2025) · Telehealth ·
(301) 231-7111 Dr. Margarita Kullick, MDRockville, MD · No drug or device payments recorded (2025) ·
(301) 675-7258 Dr. Muhammad Siddiqi, MDRockville, MD · $334 in drug and device payments (2025) ·
(301) 907-3939 Dr. Oney Zuniga, MDRockville, MD · $224 in drug and device payments (2025) ·
(301) 230-0888 Dr. Philip Schwartz, M.D.Rockville, MD · $162 in drug and device payments (2025) ·
(301) 770-8377 Dr. Sandesh Kumar Joshi, M.DRockville, MD · $2,251 in drug and device payments (2025) ·
(301) 907-3939 Dr. Stephen Hellman, M.D.Rockville, MD · No drug or device payments recorded (2025) ·
(301) 231-7111 Dr. Stephen Vaccarezza, M.D.Rockville, MD · $637 in drug and device payments (2025) · Telehealth ·
(301) 231-7111 Dr. Susan Ginsberg, MDRockville, MD · No drug or device payments recorded (2025) ·
(301) 907-3939 Dr. Vikram Doraiswamy, M.D.Rockville, MD · $2,346 in drug and device payments (2025) ·
(301) 907-4646 Conditions Nephrology providers in Rockville, Maryland commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Nephrology providers. Individual practices vary, so confirm with the provider before booking.
- Chronic kidney disease
- Kidney stones
- Dialysis care
- High blood pressure
Common questions
How many Nephrology providers are in Rockville, Maryland?There are 11 Nephrology providers with active NPI records practicing in Rockville, according to federal NPPES data refreshed monthly.
What conditions do Nephrology providers in Rockville treat?Nephrology providers in Rockville commonly treat chronic kidney disease, kidney stones, dialysis care, high blood pressure and related conditions. Individual practices vary, so confirm with the provider before booking.
Where does this data come from?Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
All specialties in Rockville Nephrology across Maryland
