Internal Medicine Doctors in New York
Data updated monthly · Last refresh October 2026
12,056 Internal Medicine providers practice in New York, including 2,545 (21%) offering telehealth. The largest concentration is in New York. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
12,056providers
2,545telehealth
New Yorktop city
Internal Medicine by city in New York
Choose a city to see providers there.
Internal Medicine providers in New York
Listed by city, largest first. 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. John Leone, D.O.Williamsville, NY · $1,134 in drug and device payments (2025) ·
(716) 565-1234 Dr. Jorge Flores Lopez, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 580-7355 Dr. Joseph Gualtieri, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 631-3555 Dr. Kapil Chatrath, MDWilliamsville, NY · $3,495 in drug and device payments (2025) ·
(716) 630-1163 Dr. Kenneth Zimmerman, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 626-0030 Dr. Kenyani Davis, M.D.Williamsville, NY · $155 in drug and device payments (2025) ·
(716) 961-9900 Dr. Louis Irmisch, MDWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 565-3605 Dr. Luay Dawood, M.D.Williamsville, NY · $84 in drug and device payments (2025) ·
(716) 568-3600 Dr. Lynn Cieslak, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 481-7384 Dr. Margaret Mitchell, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 689-4800 Dr. Maria Kontos, DOWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 656-4463 Dr. Marissa BoniszewskiWilliamsville, NY · $65 in drug and device payments (2025) · Telehealth ·
(716) 656-4868 Dr. Mary Mcgorray, MDWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 630-1159 Dr. Mohammed Ahmed, MDWilliamsville, NY · $146 in drug and device payments (2025) ·
(716) 568-3600 Dr. Nicole Riedy, D.O.Williamsville, NY · $637 in drug and device payments (2025) ·
(716) 634-5410 Dr. Peter Elkin, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 888-4858 Dr. Philip Fu, MDWilliamsville, NY · No drug or device payments recorded (2025) · Telehealth ·
(716) 633-0541 Dr. Polina Purizhansky, MDWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 630-1014 Dr. Renata Anand, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 961-9900 Dr. Richard Collins, MDWilliamsville, NY · $45 in drug and device payments (2025) ·
(716) 630-1018 Dr. Rosalba Mucciarella, MDWilliamsville, NY · $1,647 in drug and device payments (2025) ·
(716) 635-0688 Dr. Sameer Mamnoon, M.D.Williamsville, NY · $293 in drug and device payments (2025) · Telehealth ·
(716) 276-8726 Dr. Sanford Pleskow, MDWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 631-3555 Dr. Sarwat Khawar, MDWilliamsville, NY · No drug or device payments recorded (2025) ·
(716) 632-3535 Dr. Shannon Poupalos, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 630-1480 Dr. Shuman Hua, M.D.Williamsville, NY · $1,367 in drug and device payments (2025) · Telehealth ·
(716) 630-1037 Dr. Susan Szimonisz, MDWilliamsville, NY · $153 in drug and device payments (2025) · Telehealth ·
(716) 634-7350 Dr. Therese Caligiuri, M.D.Williamsville, NY · No drug or device payments recorded (2025) ·
(716) 568-3600 Dr. Thomas Drago, MDWilliamsville, NY · $267 in drug and device payments (2025) ·
(609) 585-1122 Dr. Timothy Heyden, M.D.Williamsville, NY · $115 in drug and device payments (2025) ·
(716) 634-1908 Dr. Tracy Chellino, ANPWilliamsville, NY · $28 in drug and device payments (2025) ·
(716) 458-0005 Dr. Vikas Singla, M.D.Williamsville, NY · No drug or device payments recorded (2025) · Telehealth ·
(716) 630-1143 Dr. William Hartrich, M.D.Williamsville, NY · $417 in drug and device payments (2025) ·
(716) 634-5410 Dr. Hongyin Wang, M.D.Williston Park, NY · $1,029 in drug and device payments (2025) ·
(516) 385-8287 Dr. Susan Welgrin, M.D.Williston Park, NY · No drug or device payments recorded (2025) ·
(516) 294-3535 Dr. Michael Crook, M.D.Wilton, NY · No drug or device payments recorded (2025) ·
(518) 587-3960 Dr. Rebecca Wadsworth, M.D.Wolcott, NY · No drug or device payments recorded (2025) ·
(315) 594-9444 Dr. Thambirajah Nagendra, M.D.Wolcott, NY · No drug or device payments recorded (2025) ·
(315) 594-9444 Dr. Brian Wetchler, D.O.Woodbury, NY · $77 in drug and device payments (2025) ·
(516) 212-7630 Dr. Huy Hoang, MDWoodbury, NY · No drug or device payments recorded (2025) · Telehealth ·
(516) 405-7100 Dr. Jeanine Huysman, MDWoodbury, NY · No drug or device payments recorded (2025) ·
(516) 938-3000 Dr. Marjorie Mombeleur, M.D.,Woodbury, NY · No drug or device payments recorded (2025) ·
(516) 921-3900 Dr. Matthew Leiman, DOWoodbury, NY · No drug or device payments recorded (2025) ·
(516) 405-7100 Dr. Shirley Goodman, MDWoodbury, NY · No drug or device payments recorded (2025) ·
(516) 938-3000 Dr. Siddiqi Haque, MDWoodbury, NY · $19 in drug and device payments (2025) ·
(516) 692-4100 Dr. Syed Kamal, M.D.Woodbury, NY · No drug or device payments recorded (2025) ·
(631) 332-0686 Dr. Thomas Reilly, MDWoodhaven, NY · No drug or device payments recorded (2025) ·
(718) 805-2404 Dr. Alexander Lock, D.O.Woodmere, NY · $155 in drug and device payments (2025) ·
(718) 207-9920 Dr. Aviva Tobin-hessWoodmere, NY · $183 in drug and device payments (2025) ·
(516) 374-6750 Dr. Kosmita KarkiWoodmere, NY · No drug or device payments recorded (2025) ·
(516) 371-5400 Conditions Internal Medicine providers in 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 New York?There are 12,056 Internal Medicine providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in New York offer telehealth?Yes. 2,545 of the 12,056 Internal Medicine providers in New York (about 21%) report offering telehealth services in CMS data.
Which cities in New York have the most Internal Medicine providers?New York (2,428), Brooklyn (1,492), Bronx (957) have the highest concentration of Internal Medicine providers in New York.
How many Internal Medicine providers in New York received drug or device company payments?4,202 of 12,056 Internal Medicine providers in New York (35%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in New York treat?Internal Medicine providers 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 counts and profiles 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.
Do most Internal Medicine Doctors in New York work in independent practices or large health systems?Among 6,367 Internal Medicine Doctors in New York enrolled in Medicare, 26% bill through a solo or small practice with fewer than 10 clinicians, 12% through a mid-size group of 10 to 99, and 62% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in New York work at?According to CMS facility affiliation records, the New York hospitals where the most Internal Medicine Doctors hold privileges are NYU Langone Hospitals in New York; North Shore University Hospital in Manhasset; New York-Presbyterian Hospital in New York.
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