Internal Medicine in Riverhead, New York
Data updated monthly · Last refresh September 2026
16 Internal Medicine providers practice in Riverhead. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Riverhead
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. Afzal ButtRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 369-8000 Dr. Eugenio Crisostomo, M.D.Riverhead, NY · No drug or device payments recorded (2025) ·
(631) 591-2288 Dr. Isabella Sperling, MDRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 943-9319 Dr. James Urbano Santos, MDRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 548-6000 Dr. Laura Gilmartin, M.D.Riverhead, NY · No drug or device payments recorded (2025) ·
(631) 548-6000 Dr. Lilly Steel, MDRiverhead, NY · $132 in drug and device payments (2025) · Telehealth ·
(631) 727-7100 Dr. Lindsey Semprini, M.D.Riverhead, NY · No drug or device payments recorded (2025) ·
(631) 548-6176 Dr. Maria AzimRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 548-6000 Dr. Marie-jose Dorval-dorcely, M.DRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 852-1800 Dr. Maureen Crowley, MD, MPHRiverhead, NY · No drug or device payments recorded (2025) ·
(631) 852-2976 Dr. Michael Dempsey, M.D.Riverhead, NY · No drug or device payments recorded (2025) ·
(631) 727-1818 Dr. Michael Ghiassi, DORiverhead, NY · $39 in drug and device payments (2025) ·
(631) 548-6000 Dr. Rajesh Patel, M.D.Riverhead, NY · $248 in drug and device payments (2025) · Telehealth ·
(631) 369-7660 Dr. Shirley Ponnaiya, DORiverhead, NY · No drug or device payments recorded (2025) ·
(631) 506-4311 Dr. Vaibhavi Patel, MDRiverhead, NY · $17 in drug and device payments (2025) ·
(631) 548-6000 Dr. William Kornrich, MDRiverhead, NY · $111 in drug and device payments (2025) · Telehealth ·
(631) 727-6122 Conditions Internal Medicine providers in Riverhead, New York commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Riverhead, New York?There are 16 Internal Medicine providers with active NPI records practicing in Riverhead, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Riverhead treat?Internal Medicine providers in Riverhead commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Riverhead Internal Medicine across New York