Kati M. Derevere, PMHNP
NPI 1861770166ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Mount Desert, ME
Nurse Practitioner, Psych/Mental Health (PMHNP) with Health Affiliates Maine, LLC, practicing in Mount Desert, Maine. Their prescriptions cost Medicare Part D more than their services did: $196,611 for 1,805 claims, against $8,698 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) reported $17.02 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1861770166 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PMHNP |
| Sole proprietor | No |
| NPI issued | Aug 3, 2011 |
| Last updated in NPPES | Dec 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | CNP111084 | ME |
| Registered Nurse, Psych/Mental Health | 163WP0808X | RO49940 | ME |
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 (ME) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 18 |
|---|---|
| Services billed | 154 across 4 procedure codes |
| Paid by Medicare | $8,698 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,805 · 2,119 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $196,611 |
| Generic share | 90% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Health Affiliates Maine, LLCAuburn, ME · 179 clinicians
Industry payments (Open Payments)
- 2025$17.02 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $17.02 | 1 |
What the 2025 payments were for
- Food and Beverage$17.02 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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