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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.

GARY F SIMPSON M.D.
NPI 1235108002
Medical Genetics - Clinical Genetics (M.D.) in Tempe, AZ

Active since March 15, 2006
6301 S MCCLINTOCK DR, SUITE 115, TEMPE, AZ 85283(480) 897-0234(480) 897-0647 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Gary F Simpson M.d. NPPES

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

GARY F SIMPSON M.D. (NPI 1235108002) is an individual clinical genetics (m.d.) provider in Tempe, Arizona, licensed in Arizona (15916) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1235108002
Entity TypeIndividualMale
Primary Taxonomy207SG0201X
Provider Legal NameGARY F SIMPSONCredential: M.D.
Location Address6301 S MCCLINTOCK DR, SUITE 115Tempe, AZ 85283-3392
Mailing Address6301 S Mcclintock Dr, Suite 115Tempe, AZ 85283-3392 · (480) 897-0234 · Fax (480) 897-0647
Phone(480) 897-0234
Fax(480) 897-0647
Sole ProprietorNo
Enumeration DateMarch 15, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1235108002 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License✔ Licensed in AZ · 15916
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
6301 S MCCLINTOCK DR, Tempe, AZ 85283
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Other Providers at the Same Location NPPES 20

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

JENNIFER GIBLER P.A.-C
Physician Assistant
6301 S MCCLINTOCK DR, #101
TEMPE, AZ 85283
Maricopa County (480) 214-2300
MEGHAN M DELANEY WHNP-BC
Nurse Practitioner (Women's Health)
6301 S MCCLINTOCK DR, SUITE 215
TEMPE, AZ 85283
Maricopa County (480) 820-6657
TIERSA HW DAMORE MD
Obstetrics & Gynecology
6301 S MCCLINTOCK DR, SUITE 215
TEMPE, AZ 85283
Maricopa County (480) 820-6657
DR. DELPHIS C RICHARDSON M.D.
Pediatrics
6301 S MCCLINTOCK DR, #101
TEMPE, AZ 85283
Maricopa County (480) 214-2300
ARIZONA PERINATAL PROVIDERS, PLLC
Radiology (Diagnostic Ultrasound)
6301 S MCCLINTOCK DR, SUITE 115
TEMPE, AZ 85283
Maricopa County (480) 897-0242
MRS. GWENDOLYN LLANAS ASTUDILLO-TEE FNP, RN
Nurse Practitioner (Family)
6301 S MCCLINTOCK DR, SUITE 201
TEMPE, AZ 85283
Maricopa County (480) 838-3100
LESLIE SEZATE R.N., C.P.N.P.
Nurse Practitioner (Pediatrics)
6301 S MCCLINTOCK DR, #101
TEMPE, AZ 85283
Maricopa County (480) 214-2300
DR. LU YAO MD
Allergy & Immunology
6301 S MCCLINTOCK DR, SUITE 201
TEMPE, AZ 85283
Maricopa County (480) 838-3100

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 Gary Simpson's NPI number?

The NPI number for Gary Simpson is 1235108002. It was assigned to this individual provider in the NPPES registry on March 15, 2006.

Where is Gary Simpson located?

Gary Simpson practices at 6301 S Mcclintock Dr Suite 115, Tempe, AZ 85283. The listed phone number is (480) 897-0234.

What is Gary Simpson's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

When was this NPI record last updated?

The NPPES record for Gary Simpson was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.