Melissa Veronica Isaac-Greene, NP
NPI 1811506421ActiveIndividual· Nurse Practitioner, Psych/Mental Health· New York, NY
Nurse Practitioner, Psych/Mental Health (NP) in New York, New York, trained at University of Connecticut School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $203,970 for 2,296 claims, against $4,145 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 2 companies reporting payments in 2025, $379.54 in all, mostly food and beverage.
Overview
| NPI | 1811506421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 29, 2020 |
| Last updated in NPPES | Mar 3, 2021 |
| Certified by provider | Sep 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | F403095 | NY |
| Registered Nurse, Psych/Mental Health | 163WP0808X | 653055 | NY |
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 - Nurse Practitioner (CT); Practitioner - Nurse Practitioner (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 22 |
|---|---|
| Services billed | 91 across 5 procedure codes |
| Paid by Medicare | $4,145 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,296 · 2,768 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $203,970 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | University of Connecticut School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical groups
- Putnam Family and Community Services IncCarmel, NY · 13 clinicians
- Lifebridge Community Services, IncFairfield, CT · 8 clinicians
Industry payments (Open Payments)
- 2025$379.54 · 4 payments from 2 companies
- 2024$294.17 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $233.90 | 2 |
| E.R. Squibb & Sons, L.L.C. | $145.64 | 2 |
What the 2025 payments were for
- Food and Beverage$379.54 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 910 psychiatric nurse practitioners in New York · All psychiatric nurse practitioners in New York