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

Dennis Andrew Dulay, MS

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1952740649

Dennis Andrew Dulay, MS is an Addiction (Substance Use Disorder) Counselor in San Francisco, California. Licensed in California. Registered with an NPI since 2013.

Licensed in
CA
In the registry since
2013
Specialties on file
2
What do these letters mean?
MS — Master of Science
A graduate science degree.

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Practice location Address checks out

2166 Hayes St
San Francisco, CA 94117-1033
Phone: (415) 541-9404
Fax: (415) 876-6850
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X (CA)
Mental Health Counselor Taxonomy 101YM0800X (CA)

Record details

NPI number1952740649
Entity typeIndividual (Type 1)
GenderMale
Credentials MS
Sole proprietorNo
NPI enumeratedJune 17, 2013
Last updated in NPPESAugust 21, 2014

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