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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. JOHN MICHAEL SIMONIS PH.D.
NPI 1205825072
Psychologist - Clinical in Scottsdale, AZ

Active since October 14, 2005
8160 N HAYDEN RD, SUITE J112, SCOTTSDALE, AZ 85258(480) 905-8755(480) 905-8851 Get Directions Write a Review

NPPES record last updated: June 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Michael Simonis Ph.d. NPPES

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

DR. JOHN MICHAEL SIMONIS PH.D. (NPI 1205825072) is an individual clinical provider in Scottsdale, Arizona, licensed in Arizona (675) and active in the NPI registry since October 2005.

NPPES Registry Identity

NPI1205825072
Entity TypeIndividualMale
Primary Taxonomy103TC0700X
Provider Legal NameDR. JOHN MICHAEL SIMONISCredential: PH.D.
Location Address8160 N HAYDEN RD, SUITE J112Scottsdale, AZ 85258-2467
Mailing Address5070 N 40th St, Suite 220Phoenix, AZ 85018-2148 · (480) 905-8755 · Fax (480) 905-8851
Phone(480) 905-8755
Fax(480) 905-8851
Sole ProprietorNo
Enumeration DateOctober 14, 2005
Last NPPES UpdateJune 28, 2026
✔ NPI 1205825072 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in AZ · 675
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
8160 N HAYDEN RD, Scottsdale, AZ 85258
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Other Identifiers 1

Other675AZ · License

Other Providers at the Same Location NPPES 4

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

DR. JANET ELAINE TATMAN PHD, PA-C
Physician Assistant (Medical)
8160 N HAYDEN RD, SUITE J-112
SCOTTSDALE, AZ 85258
Maricopa County (480) 905-8755
WILLIAM S. GRAFF, ED.D., P.C
Psychologist
8160 N HAYDEN RD, SUITE J-112
SCOTTSDALE, AZ 85258
Maricopa County (480) 905-8755
DAVID G. JARMON, PH.D., LLC
Psychologist
8160 N HAYDEN RD, SUITE J-112
SCOTTSDALE, AZ 85258
Maricopa County (480) 905-8755
PRISCILLA DAMIAN NP
Nurse Practitioner (Family)
8160 N HAYDEN RD
SCOTTSDALE, AZ 85258
Maricopa County (480) 687-2370

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 John Simonis's NPI number?

The NPI number for John Simonis is 1205825072. It was assigned to this individual provider in the NPPES registry on October 14, 2005.

Where is John Simonis located?

John Simonis practices at 8160 N Hayden Rd Suite J112, Scottsdale, AZ 85258. The listed phone number is (480) 905-8755.

What is John Simonis's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for John Simonis was last updated on June 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 39 days 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.