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

David Anthony St John, RRW

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1235529587

David Anthony St John, RRW is an Addiction (Substance Use Disorder) Counselor in Tustin, California. Licensed in California. Registered with an NPI since 2015.

Licensed in
CA
In the registry since
2015

Practice location Address checks out

13652 Estero Cir
Tustin, CA 92780-4557
Phone: (171) 459-7278
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 (CA)

Record details

NPI number1235529587
Entity typeIndividual (Type 1)
GenderMale
Credentials RRW
Sole proprietorNo
NPI enumeratedJanuary 26, 2015
Last updated in NPPESJanuary 26, 2015
Mailing address13652 Estero Cir, Tustin, CA 92780-4557

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