Cassandra Beth Diaz De Leon, DNP, PMHNP-BC
NPI 1275036584ActiveIndividual· Nurse Practitioner, Psych/Mental Health· Glendale, AZ
Nurse Practitioner, Psych/Mental Health (DNP, PMHNP-BC) with Satinder S Purewal MD LLC, practicing in Glendale, Arizona. Their prescriptions cost Medicare Part D more than their services did: $221,691 for 2,133 claims, against $14,227 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $4,203 in all, mostly food and beverage.
Overview
| NPI | 1275036584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, PMHNP-BC |
| Sole proprietor | No |
| NPI issued | Mar 13, 2018 |
| Last updated in NPPES | Apr 22, 2026 |
| Certified by provider | Apr 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Psych/Mental Health Primary | 363LP0808X | AP11155 | AZ |
| Nurse Practitioner | 363L00000X | AP11155 | AZ |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | RN184451 | AZ |
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 (AZ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 30 |
|---|---|
| Services billed | 260 across 10 procedure codes |
| Paid by Medicare | $14,227 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,133 · 2,595 30-day fills |
|---|---|
| Patients | 129 |
| Total drug cost | $221,691 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Satinder S Purewal MD LLCGlendale, AZ · 37 clinicians
Industry payments (Open Payments)
- 2025$4,203 · 175 payments from 19 companies
- 2024$3,767 · 124 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $528.90 | 27 |
| Otsuka America Pharmaceutical, Inc. | $454.92 | 15 |
| E.R. Squibb & Sons, L.L.C. | $403.21 | 12 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $374.11 | 17 |
| Vanda Pharmaceuticals Inc. | $366.68 | 14 |
What the 2025 payments were for
- Food and Beverage$4,203 · 175 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 88 psychiatric nurse practitioners in Glendale · All psychiatric nurse practitioners in Arizona