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SENSORY TESTING SYSTEMS, LLC
NPI 1750487096
Psychiatry & Neurology - Clinical Neurophysiology in Scottsdale, AZ

Active since September 15, 2006
8655 E VIA DE VENTURA STE E155, SCOTTSDALE, AZ 85258(480) 247-3747(480) 483-8455 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 8, 2025, May 8, 2025, May 4, 2021 and 1 more (4 updates tracked since 2021).

About Sensory Testing Systems, Llc NPPES

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

SENSORY TESTING SYSTEMS, LLC (NPI 1750487096), doing business as Sensory Testing Systems, Inc., is a healthcare organization registered as a clinical neurophysiology in Scottsdale, Arizona and active in the NPI registry since September 2006. The organization lists Stephen Houff, President, as its authorized official.

NPPES Registry Identity

NPI1750487096
Entity TypeOrganization
Primary Taxonomy2084N0600X
Legal Business NameSENSORY TESTING SYSTEMS, LLC
Location Address8655 E VIA DE VENTURA STE E155Scottsdale, AZ 85258-3354
Mailing Address1141 N Loop 1604 E Ste 105-484San Antonio, TX 78232-1339 · (480) 247-3747 · Fax (480) 483-8455
Phone(480) 247-3747
Fax(480) 483-8455
Organization SubpartNo
Authorized OfficialStephen HouffPresident · (484) 351-8459
Enumeration DateSeptember 15, 2006
Last NPPES UpdateDecember 8, 20254 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1750487096 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyPsychiatry & Neurology · Clinical NeurophysiologyAllopathic & Osteopathic Physicians
Taxonomy Code2084N0600X
Definition
Clinical Neurophysiology is a subspecialty with psychiatric or neurologic expertise in the diagnosis and management of central, peripheral, and autonomic nervous system disorders using combined clinical evaluation and electrophysiologic testing such as electroencephalography (EEG), electromyography (EMG), and nerve conduction studies (NCS).
Also ListedElectrodiagnostic MedicineTaxonomy 204R00000X
Also ListedPsychiatry & Neurology · NeurologyTaxonomy 2084N0400X
Also ListedSpecialist/Technologist, Other · ElectroneurodiagnosticTaxonomy 246ZE0600X
8655 E VIA DE VENTURA STE E155, Scottsdale, AZ 85258
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Other Names 1

Former Legal Business NameSensory Testing Systems, Inc.

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sensory Testing Systems, Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Sensory Testing Systems, LLC, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. They are listed nearest first.

Clinicians, nearest first (9)

Fern Arlen, M.D.
Neurology
NPI 1952430779
9746 N 90TH PL #203
Scottsdale, AZ 85258
(480) 614-0707
✔ PECOS✔ Accepts Medicare1.6 mi
Constantine Moschonas, M.D.
Neurology
NPI 1205965019
9746 N 90TH PL #203
Scottsdale, AZ 85258
(480) 614-0707
✔ PECOS✔ Accepts Medicare1.6 mi
Praful Reddy, MD
Neurology
NPI 1679590616
6677 W THUNDERBIRD RD STE D148
Glendale, AZ 85306
(602) 843-3811
✔ PECOS✔ Accepts Medicare18 mi
Mark Keroles, MD
Neurology
NPI 1548898554
30051 GRANDPOINT LN
Rancho Palos Verdes, CA 90275
(484) 351-8459
✔ PECOS✔ Accepts Medicare371 mi
Robin Soffer, M.D.
Neurology
NPI 1871712828
933 SHORELINE DR APT 406
Alameda, CA 94501
(510) 324-1990
✔ PECOS✔ Accepts Medicare651 mi
Maria Dejesus, MD
Neurology
NPI 1336176387
500 THROCKMORTON STREET UNIT 3309
Fort Worth, TX 76102
(817) 908-8124
✔ PECOS✔ Accepts Medicare845 mi
Eli Neiman, D.O.
Neurology
NPI 1437363538
13572 BRAEMAR DR
Farmers Branch, TX 75234
(866) 516-2694
✔ PECOS✔ Accepts Medicare871 mi
Tahsin Khan, M.D.
Neurology
NPI 1992156293
1135-116 AVENUE NE SUITE 500
Bellevue, WA 98004
(518) 867-7768
✔ PECOS✔ Accepts Medicare1,109 mi
Thomas Hirschauer, M.D.
Neurology
NPI 1679004006
11009 LARKMEADE LN
Potomac, MD 20854
(484) 351-8459
✔ PECOS✔ Accepts Medicare1,962 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

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 Sensory Testing Systems, LLC's NPI number?

The NPI number for Sensory Testing Systems, LLC is 1750487096. It was assigned to this organization in the NPPES registry on September 15, 2006. The provider was formerly known as Sensory Testing Systems, Inc..

Where is Sensory Testing Systems, LLC located?

Sensory Testing Systems, LLC is located at 8655 E Via De Ventura Ste E155, Scottsdale, AZ 85258. The listed phone number is (480) 247-3747.

What is Sensory Testing Systems, LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Clinical Neurophysiology, with taxonomy code 2084N0600X.

Is Sensory Testing Systems, LLC enrolled in Medicare?

Yes. Sensory Testing Systems, LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sensory Testing Systems, LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians, all in Neurology, reassign their Medicare billing to Sensory Testing Systems, LLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Of these, 2 practice within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Sensory Testing Systems, LLC was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.