DIABETES RESEARCH CENTER MEDICAL CLINIC, INC
NPI 1316052012
Specialist - Research Study in Tustin, CA

Q: What is M. Arthur Charles, M.D.'s NPI number?

The NPI number for M. Arthur Charles, M.D. is 1316052012. It was assigned to this organization in the NPPES registry on August 20, 2006. The provider is doing business as Diabetes Research Center Medical Clinic, Inc.

Q: What is M. Arthur Charles, M.D.'s specialty?

The primary specialty registered for this NPI is Specialist, specializing in Research Study, with taxonomy code 1744R1102X.

Active since August 20, 2006

2492 WALNUT AVE STE 130, TUSTIN, CA 92780(714) 734-7944(714) 734-7945 Get Directions Write a Review

NPPES record last updated: August 22, 2020. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Diabetes Research Center Medical Clinic, Inc NPPES

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

DIABETES RESEARCH CENTER MEDICAL CLINIC, INC (NPI 1316052012) is a healthcare organization registered as a research study in Tustin, California and active in the NPI registry since August 2006. The organization lists Christy A Grefe, Billing Clerk, as its authorized official.

NPPES Registry Identity

NPI1316052012

Entity TypeOrganization

Primary Taxonomy1744R1102X

Legal Business NameM. ARTHUR CHARLES, M.D.

Location Address2492 WALNUT AVE STE 130Tustin, CA 92780-6953

Mailing Address2492 Walnut Ave Ste 130Tustin, CA 92780-6953 · (714) 734-7944 · Fax (714) 734-7945

Phone(714) 734-7944

Fax(714) 734-7945

Organization SubpartNo

Authorized OfficialChristy A GrefeBilling Clerk · (714) 894-6850

Enumeration DateAugust 20, 2006

Last NPPES UpdateAugust 22, 2020

✔ NPI 1316052012 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialist · Research StudyOther Service Providers

Taxonomy Code1744R1102X

License✔ Licensed in CA · G22463

2492 WALNUT AVE STE 130, Tustin, CA 92780

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Other Names 1

Doing Business AsDiabetes Research Center Medical Clinic, Inc

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

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 M. Arthur Charles, M.D.'s NPI number?

The NPI number for M. Arthur Charles, M.D. is 1316052012. It was assigned to this organization in the NPPES registry on August 20, 2006. The provider is doing business as Diabetes Research Center Medical Clinic, Inc.

Where is M. Arthur Charles, M.D. located?

M. Arthur Charles, M.D. is located at 2492 Walnut Ave Ste 130, Tustin, CA 92780. The listed phone number is (714) 734-7944.

What is M. Arthur Charles, M.D.'s specialty?

The primary specialty registered for this NPI is Specialist, specializing in Research Study, with taxonomy code 1744R1102X.

When was this NPI record last updated?

The NPPES record for M. Arthur Charles, M.D. was last updated on August 22, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.