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

Mr. Gregory Alfred Calderon

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1659678431

Mr. Gregory Alfred Calderon is an Addiction (Substance Use Disorder) Counselor in Fresno, California. Registered with an NPI since 2011.

In the registry since
2011

Practice location Address checks out

7170 N Financial Dr Ste 135
Fresno, CA 93720-2939
Phone: (559) 221-8100
Fax: (559) 221-8101
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X

Record details

NPI number1659678431
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedFebruary 14, 2011
Last updated in NPPESFebruary 14, 2011

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