Christopher Clayton Stark, MSN, FNP-BC
NPI 1992450696ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Dover, DE
Nurse Practitioner, Psych/Mental Health (MSN, FNP-BC) with Mental Edge Counseling, LLC, practicing in Dover, Delaware. 16 Medicare patients in 2024, $4,874 paid; nearly all of their 506 Part D prescriptions were generic (99%). Vanda Pharmaceuticals Inc. was the largest of 2 companies reporting payments in 2025, $73.23 in all, mostly food and beverage.
Overview
| NPI | 1992450696 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN, FNP-BC |
| Sole proprietor | No |
| NPI issued | Feb 21, 2022 |
| Last updated in NPPES | Oct 17, 2026 |
| Certified by provider | Oct 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | L8-0011288 | DE |
| Nurse Practitioner, Family | 363LF0000X | LG-0011901 | DE |
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 (DE) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 16 |
|---|---|
| Services billed | 80 across 4 procedure codes |
| Paid by Medicare | $4,874 |
Part D prescriptions in 2024
| Prescriptions (claims) | 506 · 617 30-day fills |
|---|---|
| Patients | 36 |
| Total drug cost | $7,072 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Mental Edge Counseling, LLCDover, DE · 20 clinicians
Industry payments (Open Payments)
- 2025$73.23 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vanda Pharmaceuticals Inc. | $39.42 | 1 |
| Teva Pharmaceuticals USA, Inc. | $33.81 | 1 |
What the 2025 payments were for
- Food and Beverage$73.23 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 psychiatric nurse practitioners in Dover · All psychiatric nurse practitioners in Delaware