Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Der-Yi Li, LPCC, LMHC

Individual provider Counselor · NPI 1003363094

Der-Yi Li, LPCC, LMHC is a Counselor in Sunnyvale, California. Practices as a sole proprietor. Registered with an NPI since 2016.

In the registry since
2016
What do these letters mean?
LPCC — Licensed Professional Clinical Counselor
The title some states use for a licensed clinical counsellor.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

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Practice location Address checks out

1307 S Mary Ave Ste 250
Sunnyvale, CA 94087-3071
Phone: (650) 618-6434
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Counselor (primary) Taxonomy 101Y00000X

Record details

NPI number1003363094
Entity typeIndividual (Type 1)
GenderFemale
Credentials LPCC , LMHC
Sole proprietorYes
NPI enumeratedSeptember 7, 2016
Last updated in NPPESOctober 20, 2023
Certification dateOctober 20, 2023

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