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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. MARSHALL DAVID CLAYTON DDS
NPI 1568422137
Dentist - General Practice in Scottsdale, AZ

Active since March 27, 2006
23425 N SCOTTSDALE RD, SCOTTSDALE, AZ 85255(480) 585-3065(480) 585-3306 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Marshall David Clayton Dds NPPES

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

DR. MARSHALL DAVID CLAYTON DDS (NPI 1568422137) is an individual general practice provider in Scottsdale, Arizona, licensed in Arizona (2724) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1568422137
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARSHALL DAVID CLAYTONCredential: DDS
Location Address23425 N SCOTTSDALE RDScottsdale, AZ 85255-3469
Mailing Address23425 N Scottsdale RdScottsdale, AZ 85255-3469 · (480) 585-3065 · Fax (480) 585-3306
Phone(480) 585-3065
Fax(480) 585-3306
Sole ProprietorNo
Enumeration DateMarch 27, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1568422137 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in AZ · 2724
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
23425 N SCOTTSDALE RD, Scottsdale, AZ 85255
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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 Marshall Clayton's NPI number?

The NPI number for Marshall Clayton is 1568422137. It was assigned to this individual provider in the NPPES registry on March 27, 2006.

Where is Marshall Clayton located?

Marshall Clayton practices at 23425 N Scottsdale Rd, Scottsdale, AZ 85255. The listed phone number is (480) 585-3065.

What is Marshall Clayton's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Marshall Clayton 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 33 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.