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Adult Congenital Heart Disease Specialists in New York

Data updated monthly · Last refresh October 2026

12 Adult Congenital Heart Disease providers practice in New York, including 7 (58%) 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.

12providers
7telehealth
New Yorktop city

Adult Congenital Heart Disease by city in New York

Choose a city to see providers there.

Adult Congenital Heart Disease in New York11 providers
Adult Congenital Heart Disease in Valhalla1 providers

Where Adult Congenital Heart Disease Specialists in New York practice

From CMS Medicare enrollment records covering 12 of the 12 providers listed here (100%). Providers who do not bill Medicare are not included in these figures.

0%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
100%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Adult Congenital Heart Disease SpecialistsAll clinicians in groupMain city
Trustees of Columbia University in the City of New York72,262New York
Weill Medical College of Cornell22,023New York

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingAdult Congenital Heart Disease Specialists affiliated
New York-Presbyterian HospitalNew YorkNonprofit5 of 59

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.

Adult Congenital Heart Disease 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. Adam Small, MD
New York, NY · $17 in drug and device payments (2025) · (646) 501-0647
Dr. Emily Slater, M.D.
New York, NY · No drug or device payments recorded (2025) · Telehealth · (212) 305-6936
Dr. Harsimran Singh, M.D., M.SC.
New York, NY · $956 in drug and device payments (2025) · Telehealth · (646) 962-5558
Dr. Jonathan Kochav, MD
New York, NY · $24 in drug and device payments (2025) · (212) 305-6936
Dr. Kali Hopkins, MD
New York, NY · $201 in drug and device payments (2025) · (212) 427-1540
Dr. Marlon Rosenbaum, MD
New York, NY · No drug or device payments recorded (2025) · Telehealth · (212) 305-6936
Dr. Matthew Lewis
New York, NY · No drug or device payments recorded (2025) · Telehealth · (212) 342-5155
Dr. Noa Zemer Wassercug, MD
New York, NY · $21 in drug and device payments (2025) · Telehealth · (212) 305-6936
Dr. Robert Sommer, M.D.
New York, NY · $7,797 in drug and device payments (2025) · Telehealth · (212) 342-3616
Dr. Su Yuan, MD
New York, NY · $14 in drug and device payments (2025) · Telehealth · (646) 962-2243
Dr. Yamini Krishnamurthy, MD
New York, NY · No drug or device payments recorded (2025) · (212) 305-2323
Dr. Georges Ephrem, M.D.
Valhalla, NY · $6,877 in drug and device payments (2025) · (914) 909-6900

Common questions

How many Adult Congenital Heart Disease providers are in New York?

There are 12 Adult Congenital Heart Disease providers with active NPI records practicing in New York, according to federal NPPES data refreshed monthly.

Do Adult Congenital Heart Disease providers in New York offer telehealth?

Yes. 7 of the 12 Adult Congenital Heart Disease providers in New York (about 58%) report offering telehealth services in CMS data.

Which cities in New York have the most Adult Congenital Heart Disease providers?

New York (11), Valhalla (1) have the highest concentration of Adult Congenital Heart Disease providers in New York.

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 Adult Congenital Heart Disease Specialists in New York work in independent practices or large health systems?

Among 12 Adult Congenital Heart Disease Specialists in New York enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 100% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Adult Congenital Heart Disease Specialists in New York work at?

According to CMS facility affiliation records, the New York hospitals where the most Adult Congenital Heart Disease Specialists hold privileges are New York-Presbyterian Hospital in New York.

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Related

Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Adult Congenital Heart Disease in New York? Get featured.