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

Mr. Gerson Enrique Marroquin

Individual provider Counselor · NPI 1174831598

Mr. Gerson Enrique Marroquin is a Counselor in Rancho Cucamonga, California. Practices as a sole proprietor. Registered with an NPI since 2010.

In the registry since
2010

Practice location Address checks out

9540 Center Ave Ste 100
Rancho Cucamonga, CA 91730-5840
Phone: (909) 728-2638
Show map & directions

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

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1174831598
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedSeptember 20, 2010
Last updated in NPPESFebruary 19, 2014

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