Nephrologists in New York
Data updated monthly · Last refresh October 2026
1,044 Nephrology providers practice in New York, including 338 (32%) 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.
1,044providers
338telehealth
New Yorktop city
Nephrology by city in New York
Choose a city to see providers there.
Where Nephrologists in New York practice
From CMS Medicare enrollment records covering 723 of the 1,044 providers listed here (69%). Providers who do not bill Medicare are not included in these figures.
23%solo or small practice (under 10 clinicians)
17%mid-size group (10 to 99)
60%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Nephrologists | All clinicians in group | Main city |
| Icahn School of Medicine at Mount Sinai | 50 | 2,809 | New York |
| New York University | 48 | 5,925 | New York |
| North Shore-Lij Medical PC | 47 | 6,374 | Manhasset |
| Trustees of Columbia University in the City of New York | 33 | 2,262 | New York |
| Montefiore Medical Center | 23 | 2,809 | Bronx |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Nephrologists affiliated |
| New York-Presbyterian Hospital | New York | Nonprofit | 5 of 5 | 80 |
| North Shore University Hospital | Manhasset | Nonprofit | 5 of 5 | 69 |
| NYU Langone Hospitals | New York | Nonprofit | 5 of 5 | 59 |
| Mount Sinai Hospital | New York | Nonprofit | 4 of 5 | 45 |
| Long Island Jewish Medical Center | New Hyde Park | Nonprofit | 4 of 5 | 41 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Nephrology 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. Elvira Gosmanova, MDAlbany, NY · $23,079 in drug and device payments (2025) ·
(518) 626-6404 Dr. Emmanuelle Cordero Torres, MDAlbany, NY · $3,169 in drug and device payments (2025) ·
(518) 262-5377 Dr. Frank Cortazar, MDAlbany, NY · $66,557 in drug and device payments (2025) · Telehealth ·
(518) 434-2244 Dr. George Eisele, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-5176 Dr. Giovanni Faddoul, M.D.Albany, NY · $63 in drug and device payments (2025) · Telehealth ·
(518) 262-5176 Dr. James Horn, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 434-2244 Dr. Jorge Cerda, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 434-2244 Dr. Kenneth Phelps, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-5176 Dr. Krishnakumar Hongalgi, MDAlbany, NY · $124 in drug and device payments (2025) · Telehealth ·
(518) 262-5176 Dr. Michael Mcgoldrick, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-5176 Dr. Mohammed Monzur, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 434-2244 Dr. Natalie Hsu, MDAlbany, NY · No drug or device payments recorded (2025) ·
(518) 626-6415 Dr. Paul Der Mesropian, D.O.Albany, NY · No drug or device payments recorded (2025) ·
(518) 626-5000 Dr. Rahim Dhanani, MDAlbany, NY · $1,109 in drug and device payments (2025) · Telehealth ·
(518) 434-2244 Dr. Snezana Mijovic-das, M.D.Albany, NY · No drug or device payments recorded (2025) ·
(518) 262-5176 Dr. Swati Mehta, MBBSAlbany, NY · No drug or device payments recorded (2025) · Telehealth ·
(646) 633-3764 Dr. Vincent Carsillo, D.O.Albany, NY · $110,884 in drug and device payments (2025) · Telehealth ·
(518) 434-2244 Dr. Dhanya Vijay, MDAlbion, NY · No drug or device payments recorded (2025) ·
(585) 589-5511 Dr. Alan Kuritzky, M.D.Amherst, NY · No drug or device payments recorded (2025) ·
(716) 838-3188 Dr. Arundathi Namassivaya, MDAmherst, NY · $248 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. Imad Ahmed, M.DAmherst, NY · $200 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. James Ryan, MDAmherst, NY · $299 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. Jyotsna BhatnagarAmherst, NY · $194 in drug and device payments (2025) ·
(716) 608-8106 Dr. Kristin Matteson, D.O.Amherst, NY · $95 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. Maria Delcastillo, M.D.Amherst, NY · $124 in drug and device payments (2025) ·
(716) 838-3188 Dr. Richard Steinacher, D.O.Amherst, NY · $15 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. Theodore Herman, M.D.Amherst, NY · No drug or device payments recorded (2025) ·
(716) 834-0571 Dr. Winnie Su, MDAmherst, NY · $154 in drug and device payments (2025) · Telehealth ·
(716) 838-3188 Dr. Neel Mann, MDAmityville, NY · $425 in drug and device payments (2025) ·
(631) 789-2020 Dr. Bipin Patel, M.D.Amsterdam, NY · $476 in drug and device payments (2025) · Telehealth ·
(518) 842-3803 Dr. Ari Kostadaras, M.DAstoria, NY · $581 in drug and device payments (2025) ·
(718) 721-4440 Dr. Aiyu ZhaoAuburn, NY · No drug or device payments recorded (2025) ·
(315) 567-0390 Dr. David Kau, M.D.Auburn, NY · No drug or device payments recorded (2025) ·
(315) 567-0390 Dr. Shehryar Anjum, M.D.Auburn, NY · $572 in drug and device payments (2025) · Telehealth ·
(315) 567-0390 Dr. Claire Scanlon-kohlroser, MD, MPHBabylon, NY · No drug or device payments recorded (2025) ·
(631) 321-6400 Dr. Khurram Mehtabdin, D.O.Bay Shore, NY · $526 in drug and device payments (2025) ·
(631) 422-0205 Dr. Max Pommier, D.O.Bay Shore, NY · $70 in drug and device payments (2025) ·
(631) 666-2864 Dr. Ralph Barbato, D.O.Bay Shore, NY · No drug or device payments recorded (2025) ·
(631) 666-2808 Dr. Stephen Bernhardt, M.D.Bay Shore, NY · No drug or device payments recorded (2025) ·
(631) 666-2808 Dr. Sudhir Goyal, M.D.Bay Shore, NY · No drug or device payments recorded (2025) ·
(631) 666-2808 Dr. William Frank, M.D.Bay Shore, NY · No drug or device payments recorded (2025) ·
(631) 666-2808 Dr. Gregory Dilimetin, MDBellmore, NY · $2,172 in drug and device payments (2025) · Telehealth ·
(516) 409-0106 Dr. Kelly Gordon Dubs, MDBellmore, NY · $640 in drug and device payments (2025) · Telehealth ·
(516) 409-0106 Dr. Ralph Caselnova, MDBellmore, NY · $225 in drug and device payments (2025) ·
(516) 409-0106 Dr. Roopal Sampat, M.D.Bellmore, NY · $130 in drug and device payments (2025) ·
(516) 783-4105 Dr. Navneet Kaur, M.D.Bethpage, NY · $1,122 in drug and device payments (2025) · Telehealth ·
(516) 735-5522 Dr. Niranjan Gunasekaran, D.O.Bethpage, NY · $1,672 in drug and device payments (2025) · Telehealth ·
(516) 735-5522 Conditions Nephrology providers in New York 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 New York?There are 1,044 Nephrology providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.
Do Nephrology providers in New York offer telehealth?Yes. 338 of the 1,044 Nephrology providers in New York (about 32%) report offering telehealth services in CMS data.
Which cities in New York have the most Nephrology providers?New York (276), Brooklyn (111), Bronx (75) have the highest concentration of Nephrology providers in New York.
How many Nephrology providers in New York received drug or device company payments?559 of 1,044 Nephrology providers in New York (54%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Nephrology providers in New York treat?Nephrology providers 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 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 Nephrologists in New York work in independent practices or large health systems?Among 723 Nephrologists in New York enrolled in Medicare, 23% bill through a solo or small practice with fewer than 10 clinicians, 17% through a mid-size group of 10 to 99, and 60% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Nephrologists in New York work at?According to CMS facility affiliation records, the New York hospitals where the most Nephrologists hold privileges are New York-Presbyterian Hospital in New York; North Shore University Hospital in Manhasset; NYU Langone Hospitals in New York.
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