MARY ELISE DUZAK
NPI 1851916423
Counselor - Addiction (Substance Use Disorder) in San Jose, CA

Q: What is Mary Duzak's NPI number?

The NPI number for Mary Duzak is 1851916423. It was assigned to this individual provider in the NPPES registry on June 10, 2020.

Q: What is Mary Duzak'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 Mary Duzak was last updated on September 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 June 10, 2020

298A BERNAL ROAD, SAN JOSE, CA 95119(408) 780-0755 Get Directions Write a Review

NPPES record last updated: September 13, 2020. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 13, 2020, Sep 2, 2020, Jun 10, 2020 (3 updates tracked since 2020).

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About Mary Elise Duzak NPPES

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

MARY ELISE DUZAK (NPI 1851916423) is an individual addiction (substance use disorder) provider in San Jose, California, licensed in California (R1399920820) and active in the NPI registry since June 2020.

NPPES Registry Identity

NPI1851916423

Entity TypeIndividualFemale

Primary Taxonomy101YA0400X

Provider Legal NameMARY ELISE DUZAK

Location Address298A BERNAL ROADSan Jose, CA 95119

Mailing Address298a Bernal RoadSan Jose, CA 95119 · (408) 780-0755

Phone(408) 780-0755

Sole ProprietorNo

Enumeration DateJune 10, 2020

Last NPPES UpdateSeptember 13, 20203 updates tracked since enumeration

NPPES CertifiedSeptember 13, 2020

✔ NPI 1851916423 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

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

Taxonomy Code101YA0400X

License✔ Licensed in CA · R1399920820

Also ListedBehavior TechnicianTaxonomy 106S00000X · License R1399920820 (CA)

Also ListedPharmacy TechnicianTaxonomy 183700000X · License T064283 (AZ)

298A BERNAL ROAD, San Jose, CA 95119

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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 Mary Duzak's NPI number?

The NPI number for Mary Duzak is 1851916423. It was assigned to this individual provider in the NPPES registry on June 10, 2020.

Where is Mary Duzak located?

Mary Duzak practices at 298A Bernal Road, San Jose, CA 95119. The listed phone number is (408) 780-0755.

What is Mary Duzak'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 Mary Duzak was last updated on September 13, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.