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

May I Hsuan Sun, ADC

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1699315226

May I Hsuan Sun, ADC is an Addiction (Substance Use Disorder) Counselor in Pomona, California. Practices as a sole proprietor. Registered with an NPI since 2020.

In the registry since
2020

Practice location Address checks out

845 E Arrow Hwy
Pomona, CA 91767-2535
Phone: (909) 624-1233
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 number1699315226
Entity typeIndividual (Type 1)
GenderFemale
Credentials ADC
Sole proprietorYes
NPI enumeratedJanuary 11, 2020
Last updated in NPPESOctober 19, 2021
Certification dateOctober 19, 2021

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