GREGG MAZZARIELLO CCAPP COUNSELOR
NPI 1316440175
Counselor - Addiction (Substance Use Disorder) in San Rafael, CA

Active since March 16, 2018
603 D ST, SAN RAFAEL, CA 94901(415) 454-9444 Get Directions Write a Review

NPPES record last updated: March 16, 2018. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Gregg Mazzariello Ccapp Counselor NPPES

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

GREGG MAZZARIELLO CCAPP COUNSELOR (NPI 1316440175) is an individual addiction (substance use disorder) provider in San Rafael, California, licensed in California (R1289570218) and active in the NPI registry since March 2018.

NPPES Registry Identity

NPI1316440175
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameGREGG MAZZARIELLOCredential: CCAPP COUNSELOR
Location Address603 D STSan Rafael, CA 94901-3719
Mailing Address603 D StSan Rafael, CA 94901-3719 · (415) 454-9444
Sole ProprietorYes
Enumeration DateMarch 16, 2018
NPI 1316440175 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
License Licensed in CA · R1289570218
603 D ST, San Rafael, CA 94901

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor
603 D ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
603 D ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
603 D ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
603 D ST
SAN RAFAEL, CA 94901
Substance Abuse Rehabilitation Facility
603 D ST
SAN RAFAEL, CA 94901
Counselor (Addiction (Substance Use Disorder))
603 D ST
SAN RAFAEL, CA 94901
Substance Abuse Rehabilitation Facility
603 D ST
SAN RAFAEL, CA 94901
Case Manager/Care Coordinator
603 D ST
SAN RAFAEL, CA 94901

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 Gregg Mazzariello's NPI number?

The NPI number for Gregg Mazzariello is 1316440175. It was assigned to this individual provider in the NPPES registry on March 16, 2018.

Where is Gregg Mazzariello located?

Gregg Mazzariello practices at 603 D St, San Rafael, CA 94901. The listed phone number is (415) 454-9444.

What is Gregg Mazzariello'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 Gregg Mazzariello was last updated on March 16, 2018. NPI Profile syncs with the weekly NPPES data releases published by CMS.