Elena L. Tsai, M.D.
NPI 1073601902ActiveIndividual· Internal Medicine, Gastroenterology· Eastchester, NY
Internal Medicine, Gastroenterology (M.D.) in Eastchester, New York, trained at University of Massachusetts Medical School (class of 2004). In 2024 Medicare paid $75,457 for 213 patients, and Part D covered 474 of their prescriptions, 84% of them generic. Aop Health US, LLC was the largest of 10 companies reporting payments in 2025, $874.35 in all, mostly food and beverage.
Overview
| NPI | 1073601902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2006 |
| Last updated in NPPES | Jun 15, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 255821 | NY |
| Internal Medicine | 207R00000X | 255821 | 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 | 213 |
|---|---|
| Services billed | 429 across 15 procedure codes |
| Paid by Medicare | $75,457 |
Part D prescriptions in 2024
| Prescriptions (claims) | 474 · 789 30-day fills |
|---|---|
| Patients | 219 |
| Total drug cost | $48,822 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$874.35 · 16 payments from 10 companies
- 2024$360.93 · 17 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aop Health US, LLC | $612.29 | 3 |
| Abbvie Inc. | $73.45 | 3 |
| Lilly USA, LLC | $34.84 | 2 |
| Bridgebio Pharma, Inc. | $26.75 | 1 |
| Phathom Pharmaceuticals, Inc. | $24.21 | 2 |
What the 2025 payments were for
- Food and Beverage$874.35 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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