TIFFANY SIMPSON-VASSALL NP
NPI 1700846599
Nurse Practitioner - Obstetrics & Gynecology in Laveen, AZ

Active since March 24, 2006PECOS EnrolledAccepts Medicare Assignment
17487 S HEALTHCARE DR, LAVEEN, AZ 85339(520) 550-6000(520) 550-6027 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Nov 24, 2025, Mar 23, 2016 (2 updates tracked since 2016).

About Tiffany Simpson-vassall Np NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIFFANY SIMPSON-VASSALL NP (NPI 1700846599) is an individual obstetrics & gynecology provider in Laveen, Arizona, licensed in Arizona (AP1935) and active in the NPI registry since March 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2004).

NPPES Registry Identity

NPI1700846599
Entity TypeIndividualFemale
Primary Taxonomy363LX0001X
Provider Legal NameTIFFANY SIMPSON-VASSALLCredential: NP
Location Address17487 S HEALTHCARE DRLaveen, AZ 85339-8500
Mailing AddressPo Box 115Sacaton, AZ 85147-0002 · (520) 796-2600 · Fax (602) 528-1296
Fax(520) 550-6027
Sole ProprietorNo
Medical School CMSOtherGraduated 2004
Enumeration DateMarch 24, 2006
Last NPPES UpdateNovember 24, 20252 updates tracked since enumeration
NPPES CertifiedNovember 24, 2025
NPI 1700846599 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyNurse Practitioner · Obstetrics & GynecologyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LX0001X
License Licensed in AZ · AP1935
Also ListedRegistered NurseTaxonomy 163W00000X · License RN109710 (AZ)
17487 S HEALTHCARE DR, Laveen, AZ 85339

Other Names 1

Former Name (1)Tiffany Simpson

Other Identifiers 1

Medicaid863648AZ

Accepted Insurance

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Tiffany Simpson-vassall Np is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID6103857198
PECOS Enrollment IDI20251205004100
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85339 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$85.89 typical visit price
range $55.44 – $168.60
Typical copayment $21.47 (range $13.86 – $42.15)
Most-billed visit code 99203
Established Patient
$98.00 typical visit price
range $17.72 – $137.41
Typical copayment $24.50 (range $4.43 – $34.35)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 14

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Pharmacist
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Indian Health Service/Tribal/Urban Indian Health (I/T/U) Pharmacy
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Social Worker
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Dentist
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Pharmacist
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Family Medicine
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Nurse Practitioner (Family)
17487 S HEALTHCARE DR
LAVEEN, AZ 85339
Nurse Practitioner (Family)
17487 S HEALTHCARE DR
LAVEEN, AZ 85339

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tiffany Simpson-vassall's NPI number?

The NPI number for Tiffany Simpson-vassall is 1700846599. It was assigned to this individual provider in the NPPES registry on March 24, 2006. The provider is also known as Tiffany Simpson.

Where is Tiffany Simpson-vassall located?

Tiffany Simpson-vassall practices at 17487 S Healthcare Dr, Laveen, AZ 85339. The listed phone number is (520) 550-6000.

What is Tiffany Simpson-vassall's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Obstetrics & Gynecology, with taxonomy code 363LX0001X.

Is Tiffany Simpson-vassall enrolled in Medicare?

Yes. Tiffany Simpson-vassall is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Tiffany Simpson-vassall accept?

Health plans from Blue Cross Blue Shield of Arizona, Imperial Insurance Companies, Inc. and UnitedHealthcare list Tiffany Simpson-vassall as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tiffany Simpson-vassall was last updated on November 24, 2025. NPI Profile syncs with the weekly NPPES data releases published by CMS.