Sherin Elsa Mathews, M.D.
NPI 1346656568ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Princeton, NJ
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) with Advocare, LLC, practicing in Princeton, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $525,751 for 1,591 claims, against $78,580 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $227.10 in all, mostly food and beverage. Lists Saint Peter's University Hospital as a hospital affiliation.
Overview
| NPI | 1346656568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 8, 2014 |
| Last updated in NPPES | Dec 15, 2022 |
| Certified by provider | Dec 15, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 25MA10203400 | NJ |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Endocrinology (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 2,400 across 11 procedure codes |
| Paid by Medicare | $78,580 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,591 · 3,287 30-day fills |
|---|---|
| Patients | 205 |
| Total drug cost | $525,751 |
| Generic share | 51% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Endocrinology |
Medical group
- Advocare, LLCHaddonfield, NJ · 386 clinicians
Hospital affiliation
- Saint Peter's University HospitalNew Brunswick, NJ
Industry payments (Open Payments)
- 2025$227.10 · 12 payments from 6 companies
- 2024$247.98 · 14 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $85.72 | 5 |
| Abbott Laboratories | $41.99 | 2 |
| Lilly USA, LLC | $35.12 | 2 |
| Abbvie Inc. | $22.82 | 1 |
| Tandem Diabetes Care, Inc. | $22.80 | 1 |
What the 2025 payments were for
- Food and Beverage$227.10 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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