Winnie Szeto, MD
NPI 1588899504ActiveIndividual· Internal Medicine, Gastroenterology· Lowell, MA
Internal Medicine, Gastroenterology (MD) in Lowell, Massachusetts, trained at Tufts University School of Medicine (class of 2009). Their prescriptions cost Medicare Part D more than their services did: $1,246,926 for 475 claims, against $52,043 paid for services in 2024. Gilead Sciences, Inc. was the largest of 12 companies reporting payments in 2025, $952.04 in all, mostly food and beverage.
Overview
| NPI | 1588899504 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 19, 2009 |
| Last updated in NPPES | Jan 8, 2025 |
| Certified by provider | Jan 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 266762 | MA |
| Internal Medicine | 207R00000X | 266762 | MA |
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 (MA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 305 |
|---|---|
| Services billed | 520 across 38 procedure codes |
| Paid by Medicare | $52,043 |
Part D prescriptions in 2024
| Prescriptions (claims) | 475 · 829 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $1,246,926 |
| Generic share | 64% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2009 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Integrated Gastroenterology Consultants, P.C.Andover, MA · 38 clinicians
- Igc III PLLCLowell, MA · 3 clinicians
Hospital affiliations
- Lowell General HospitalLowell, MA
- Merrimack Health Lawrence HospitalLawrence, MA
Industry payments (Open Payments)
- 2025$952.04 · 43 payments from 12 companies
- 2024$774.71 · 29 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $187.96 | 7 |
| Pfizer Inc. | $186.58 | 9 |
| Abbvie Inc. | $185.04 | 12 |
| Takeda Pharmaceuticals U.S.A., Inc. | $84.93 | 3 |
| Alnylam Pharmaceuticals Inc. | $55.63 | 2 |
What the 2025 payments were for
- Food and Beverage$952.04 · 43 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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