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Dr. Thomas A. Ullman, a gastroenterologist based in Scarsdale, NY, practices with Mount Sinai School of Medicine of New York University.
Dr. Ullman earned his medical degree at Weill Cornell Medical College in 1992 — 34 years ago.
To book an appointment, call (914) 779-2995. Dr. Ullman's office is at 341 Central Park Ave, Scarsdale, NY 10583. 30 clinicians bill Medicare through Mount Sinai School of Medicine of New York University, so it is a group practice rather than a solo office. Dr. Ullman accepts Medicare assignment, which means he takes the Medicare-approved amount as full payment for covered services. Telehealth visits are listed as available.
On the hospital side, Dr. Ullman holds an affiliation with Mount Sinai Hospital.
Quick facts
- Specialty
- Gastroenterologist
- Credentials
- MD
- Practice
- Mount Sinai School of Medicine of New York University
- Address
- 341 Central Park Ave, Scarsdale, NY 10583
- Phone
- (914) 779-2995
- Medical school
- Weill Cornell Medical College (1992)
- Hospital affiliations
- Mount Sinai Hospital
- Medicare assignment
- Accepts
- Telehealth
- Available
- NPI number
- 1447281944
- NY license no.
- 197786
Have you been a patient of Dr. Ullman? A short, fair review — what went well, what didn't — helps the next person choosing a gastroenterologist in Scarsdale.
Medicare, Medicaid and hospitals
- Medicare patients (2024)
- 154 people with traditional Medicare, average age 71
- Most common services billed to Medicare
- Biopsy of large bowel using a flexible endoscope
- Procedures on Medicare Care Compare
- Colonoscopy 45 procedures
- Upper gastrointestinal (GI) endoscopy for acid reflux 17 procedures
- Medicare quality score (MIPS 2024)
- 100 out of 100 — reported through the group practice
- New York Medicaid
- Enrolled fee-for-service provider since 2000. Medicaid managed-care plans keep their own networks, so check with your plan.
- Hospital pages
- Mount Sinai Hospital
Medicare figures cover people with traditional (fee-for-service) Medicare only; services billed for fewer than 11 patients are not published.
Comparing gastroenterologists? See 5 in Scarsdale or 97 across Westchester County.
Other gastroenterologists in Scarsdale
Dr. Jaehoon Cho, MDGastroenterologist · Lawrence Medical Associates PCNo reviews yetScarsdale, NY
Dr. Jawad Ahmad, MDGastroenterologist · Icahn School of Medicine at Mount SinaiNo reviews yetScarsdale, NY
Dr. Kelly Diaz, MDGastroenterologist · Mount Sinai School of Medicine of New York UniversityNo reviews yetScarsdale, NY
Dr. Rohit Gupta, DOGastroenterologist · Lawrence Medical Associates PCNo reviews yetScarsdale, NYWrite a review
Frequently Asked Questions
With Mount Sinai School of Medicine of New York University, at 341 Central Park Ave, Scarsdale, NY 10583.
Call the office at (914) 779-2995.
Yes — Dr. Ullman accepts Medicare assignment, taking the Medicare-approved amount as full payment for covered services.
Mount Sinai Hospital.
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