DAVID ANTHONY ST. JOHN RRW
NPI 1235529587
Counselor - Addiction (Substance Use Disorder) in Tustin, CA

Q: What is David St. John's NPI number?

The NPI number for David St. John is 1235529587. It was assigned to this individual provider in the NPPES registry on January 26, 2015.

Q: What is David St. John's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

Q: When was this NPI record last updated?

The NPPES record for David St. John was last updated on January 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 26, 2015

13652 ESTERO CIR, TUSTIN, CA 92780(171) 459-7278 Get Directions Write a Review

NPPES record last updated: January 26, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About David Anthony St. John Rrw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DAVID ANTHONY ST. JOHN RRW (NPI 1235529587) is an individual addiction (substance use disorder) provider in Tustin, California and active in the NPI registry since January 2015.

NPPES Registry Identity

NPI1235529587

Entity TypeIndividualMale

Primary Taxonomy101YA0400X

Provider Legal NameDAVID ANTHONY ST. JOHNCredential: RRW

Location Address13652 ESTERO CIRTustin, CA 92780-4557

Mailing Address13652 Estero CirTustin, CA 92780-4557 · (171) 459-7278

Phone(171) 459-7278

Sole ProprietorNo

Enumeration DateJanuary 26, 2015

✔ NPI 1235529587 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Addiction (Substance Use Disorder)Behavioral Health & Social Service Providers

Taxonomy Code101YA0400X

13652 ESTERO CIR, Tustin, CA 92780

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Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is David St. John's NPI number?

The NPI number for David St. John is 1235529587. It was assigned to this individual provider in the NPPES registry on January 26, 2015.

Where is David St. John located?

David St. John practices at 13652 Estero Cir, Tustin, CA 92780. The listed phone number is (171) 459-7278.

What is David St. John's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Addiction (Substance Use Disorder), with taxonomy code 101YA0400X.

When was this NPI record last updated?

The NPPES record for David St. John was last updated on January 26, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.