Kristoffer Villanueva Guerrero, APRN
NPI 1699554568ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Venice, FL
Nurse Practitioner, Psych/Mental Health (APRN) with Cornerstone Psychiatric Services Inc, practicing in Venice, Florida. Their prescriptions cost Medicare Part D more than their services did: $126,314 for 1,707 claims, against $34,084 paid for services in 2024. Neurocrine Biosciences, Inc. was the largest of 18 companies reporting payments in 2025, $2,122 in all, mostly food and beverage.
Overview
| NPI | 1699554568 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APRN |
| Sole proprietor | No |
| NPI issued | Sep 28, 2023 |
| Last updated in NPPES | Mar 5, 2024 |
| Certified by provider | Mar 5, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | APRN11026795 | FL |
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 (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 163 |
|---|---|
| Services billed | 486 across 8 procedure codes |
| Paid by Medicare | $34,084 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,707 · 2,803 30-day fills |
|---|---|
| Patients | 356 |
| Total drug cost | $126,314 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Cornerstone Psychiatric Services IncVenice, FL · 5 clinicians
Industry payments (Open Payments)
- 2025$2,122 · 93 payments from 18 companies
- 2024$1,241 · 59 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $318.68 | 11 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $273.23 | 10 |
| Alkermes, Inc. | $208.85 | 9 |
| Lundbeck LLC | $190.19 | 8 |
| Abbvie Inc. | $175.60 | 9 |
What the 2025 payments were for
- Food and Beverage$2,122 · 93 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 25 psychiatric nurse practitioners in Venice · All psychiatric nurse practitioners in Florida