Thomas A. Ullman, M.D.
NPI 1447281944ActiveIndividual· Internal Medicine, Gastroenterology· Scarsdale, NY
Internal Medicine, Gastroenterology (M.D.) in Scarsdale, New York, trained at Js Weill Medical College, Cornell University (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $2,200,520 for 683 claims, against $23,076 paid for services in 2024. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $28,849 in all, mostly speaking and faculty fees.
Overview
| NPI | 1447281944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 5, 2006 |
| Last updated in NPPES | Dec 23, 2024 |
| Certified by provider | Dec 23, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 197786 | NY |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 154 |
|---|---|
| Services billed | 366 across 24 procedure codes |
| Paid by Medicare | $23,076 |
Part D prescriptions in 2024
| Prescriptions (claims) | 683 · 959 30-day fills |
|---|---|
| Patients | 163 |
| Total drug cost | $2,200,520 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | Js Weill Medical College, Cornell University |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Mount Sinai School of Medicine of New York UniversityPelham, NY · 30 clinicians
Hospital affiliation
- Mount Sinai HospitalNew York, NY
Industry payments (Open Payments)
- 2025$28,849 · 27 payments from 3 companies
- 2024$58,808 · 80 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $21,007 | 18 |
| Pfizer Inc. | $7,634 | 4 |
| Abbvie Inc. | $208.56 | 5 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$25,365 · 7 payments
- Travel and Lodging$2,362 · 8 payments
- Food and Beverage$1,123 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 15 gastroenterologists in Scarsdale · All gastroenterologists in New York