Melissa Ann Greenberg, MPAS, PA-C
NPI 1083956189ActiveIndividual· Physician Assistant· Johnston, RI
Physician Assistant (MPAS, PA-C) with Atmed Treatment Center, Inc., practicing in Johnston, Rhode Island. 395 Medicare patients in 2024, $43,814 paid; nearly all of their 1,193 Part D prescriptions were generic (96%). Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $57.79 in all, mostly food and beverage. Lists Our Lady of Fatima Hospital as a hospital affiliation.
Overview
| NPI | 1083956189 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MPAS, PA-C |
| Sole proprietor | No |
| NPI issued | Mar 27, 2013 |
| Last updated in NPPES | May 3, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | RI |
| Physician Assistant | 363A00000X | PA9107154 | FL |
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) | Enrolled Practitioner - Physician Assistant (RI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 395 |
|---|---|
| Services billed | 1,055 across 61 procedure codes |
| Paid by Medicare | $43,814 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,193 · 1,194 30-day fills |
|---|---|
| Patients | 810 |
| Total drug cost | $10,053 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Atmed Treatment Center, Inc.Johnston, RI · 11 clinicians
Hospital affiliation
- Our Lady of Fatima HospitalNorth Providence, RI
Industry payments (Open Payments)
- 2025$57.79 · 3 payments from 3 companies
- 2024$64.14 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $22.07 | 1 |
| Glaxosmithkline, LLC. | $19.72 | 1 |
| Cipher Pharmaceuticals US LLC | $16.00 | 1 |
What the 2025 payments were for
- Food and Beverage$57.79 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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