Ribu Mathew, MD
NPI 1649807678ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Stony Brook, NY
Internal Medicine, Endocrinology, Diabetes & Metabolism (MD) with New York University, practicing in Stony Brook, New York. Part D covered 278 prescriptions written in 2024, 45% of them generic. Xeris Pharmaceuticals, Inc. was the largest of 8 companies reporting payments in 2025, $225.18 in all, mostly food and beverage. Lists NYU Langone Hospitals as a hospital affiliation.
Overview
| NPI | 1649807678 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 27, 2020 |
| Last updated in NPPES | Oct 15, 2025 |
| Certified by provider | Oct 15, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 339019 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Endocrinology (NY) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 278 · 512 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $115,770 |
| Generic share | 45% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
- 2025$225.18 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Xeris Pharmaceuticals, Inc. | $62.48 | 3 |
| Neurocrine Biosciences, Inc. | $35.14 | 1 |
| Recordati_rare_diseases_inc. | $26.40 | 1 |
| Tandem Diabetes Care, Inc. | $25.87 | 1 |
| Biotronik Nro, Inc. | $23.98 | 1 |
What the 2025 payments were for
- Food and Beverage$225.18 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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