Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

M. Arthur Charles, MD

Organization Research Study Specialist · NPI 1316052012

M. Arthur Charles, MD is a Research Study Specialist in Tustin, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

2492 Walnut Ave Ste 130
Tustin, CA 92780-6953
Phone: (714) 734-7944
Fax: (714) 734-7945
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Research Study Specialist (primary) Taxonomy 1744R1102X · Licence G22463 (CA)

Record details

NPI number1316052012
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Christy Grefe — Billing Clerk · (714) 894-6850
Other names Diabetes Research Center Medical Clinic, Inc
NPI enumeratedAugust 20, 2006
Last updated in NPPESAugust 22, 2020
Mailing address2492 Walnut Ave Ste 130, Tustin, CA 92780-6953