Mary Ellen Matrone Januario, NP
NPI 1104082296ActiveIndividual· Nurse Practitioner, Gerontology· Warwick, RI
Nurse Practitioner, Gerontology (NP) in Warwick, Rhode Island, licensed in RI, with an NPI issued in July 2008. Dexcom, Inc. was the largest of 3 companies reporting payments in 2025, $377.80 in all, mostly food and beverage.
Overview
| NPI | 1104082296 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Jul 29, 2008 |
| Last updated in NPPES | May 27, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | NPP37435 | RI |
| Nurse Practitioner, Acute Care | 363LA2100X | NPP37435 | RI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|
Industry payments (Open Payments)
- 2025$377.80 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $158.75 | 1 |
| Sanofi-Aventis U.S. LLC | $119.99 | 1 |
| Otsuka America Pharmaceutical, Inc. | $99.06 | 1 |
What the 2025 payments were for
- Food and Beverage$377.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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