Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
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Cassandra Beth Diaz de Leon, DNP, PMHNP-BC

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1275036584

Cassandra Beth Diaz de Leon, DNP, PMHNP-BC is a Nurse Practitioner in Glendale, Arizona. Qualified in 2018, 8 years ago. Practices with Satinder S Purewal MD LLC, a 36-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Arizona.

Years since qualifying
8
Licensed in
AZ
In the registry since
2018
Specialties on file
3
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.
PMHNP-BC — Psychiatric-Mental Health Nurse Practitioner, Board Certified
A board-certified psychiatric nurse practitioner.

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Practice location Address checks out

5720 W Peoria Ave Ste 101
Glendale, AZ 85302-1420
Phone: (623) 878-2100
Show map & directions

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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 6677 W Thunderbird Rd Ste I164, Glendale, AZ 85306-3762 — (623) 878-2100

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence AP11155 (AZ)
Nurse Practitioner Taxonomy 363L00000X · Licence AP11155 (AZ)
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X · Licence RN184451 (AZ)

Record details

NPI number1275036584
Entity typeIndividual (Type 1)
GenderFemale
Credentials DNP , PMHNP-BC
Sole proprietorNo
NPI enumeratedMarch 13, 2018
Last updated in NPPESApril 22, 2026
Certification dateApril 22, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Group practice Satinder S Purewal Md Llc — 36 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients30
Services billed 260 a service is one billed item, such as a visit, a test or a procedure
Average patient age68

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Payments from drug and device companies, 2025

Drug and device makers are required by federal law (the Physician Payments Sunshine Act) to report what they pay or give to clinicians, and CMS publishes the reports as Open Payments. This is the 2025 program year. A report is a record of a payment, not an allegation of anything, and many are small items such as meals. Only general payments are listed here; research payments and ownership or investment interests are reported separately by CMS and are not shown.

Food and Beverage $4,203 175 payments · a meal or drink at a meeting or visit, not a fee

Each amount is the sum of what companies reported for that kind of payment in 2025, rounded to the dollar. Not all of it is income to the clinician: a meal is not a fee, a charitable contribution goes to a charity, and a royalty or an acquisition payment is not a salary.

Check a report, or dispute one, at the source in CMS’s own tool, Open Payments. Corrections go through CMS’s dispute process. This site removes a home address on request and asks for no proof, because that is privacy; it will not remove an accurate payment report on request, because that is a statutory public disclosure.

Colleagues at Satinder S Purewal MD LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 36 clinicians in the practice; 12 are shown here.

Other providers in Glendale