Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Tiffany Simpson-Vassall, NP

Individual provider Registered Nurse · NPI 1700846599

Tiffany Simpson-Vassall, NP is a Nurse Practitioner in Laveen, Arizona. Qualified in 2004, 22 years ago. Practices with Gila River Health Care Corporation, a 241-clinician group and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
22
Licensed in
AZ
In the registry since
2006
Specialties on file
2
What do these letters mean?
NP — Nurse Practitioner
An advanced practice nurse who can diagnose, treat and in most states prescribe.

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Practice location Address checks out

17487 S Healthcare Dr
Laveen, AZ 85339-8500
Phone: (520) 550-6000
Fax: (520) 550-6027
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Obstetrics & Gynecology Nurse Practitioner (primary) Taxonomy 363LX0001X · Licence AP1935 (AZ)
Registered Nurse Taxonomy 163W00000X · Licence RN109710 (AZ)

Record details

NPI number1700846599
Entity typeIndividual (Type 1)
GenderFemale
Credentials NP
Sole proprietorNo
NPI enumeratedMarch 24, 2006
Last updated in NPPESNovember 24, 2025
Certification dateNovember 24, 2025

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Group practice Gila River Health Care Corporation — 241 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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