MARK ANTHONY HERNANDEZ
NPI 1003536384
Counselor - Addiction (Substance Use Disorder) in Fairfield, CA

Active since August 29, 2022
1143 MISSOURI ST, FAIRFIELD, CA 94533(707) 435-9911 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Sep 11, 2025, Aug 29, 2022 (2 updates tracked since 2022).

About Mark Anthony Hernandez NPPES

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

MARK ANTHONY HERNANDEZ (NPI 1003536384) is an individual addiction (substance use disorder) provider in Fairfield, California and active in the NPI registry since August 2022.

NPPES Registry Identity

NPI1003536384
Entity TypeIndividualMale
Primary Taxonomy101YA0400X
Provider Legal NameMARK ANTHONY HERNANDEZ
Location Address1143 MISSOURI STFairfield, CA 94533-6007
Mailing Address1143 Missouri StFairfield, CA 94533-6007
Sole ProprietorYes
Enumeration DateAugust 29, 2022
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
NPPES CertifiedAugust 19, 2022
NPI 1003536384 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
1143 MISSOURI ST, Fairfield, CA 94533

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 (Addiction (Substance Use Disorder))
1143 MISSOURI ST
FAIRFIELD, CA 94533
Counselor (Addiction (Substance Use Disorder))
1143 MISSOURI ST
FAIRFIELD, CA 94533
Counselor (Addiction (Substance Use Disorder))
1143 MISSOURI ST
FAIRFIELD, CA 94533
Community/Behavioral Health
1143 MISSOURI ST
FAIRFIELD, CA 94533
Counselor (Addiction (Substance Use Disorder))
1143 MISSOURI ST
FAIRFIELD, CA 94533
Licensed Vocational Nurse
1143 MISSOURI ST
FAIRFIELD, CA 94533
Specialist
1143 MISSOURI ST
FAIRFIELD, CA 94533
Licensed Vocational Nurse
1143 MISSOURI ST
FAIRFIELD, CA 94533

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 Mark Hernandez's NPI number?

The NPI number for Mark Hernandez is 1003536384. It was assigned to this individual provider in the NPPES registry on August 29, 2022.

Where is Mark Hernandez located?

Mark Hernandez practices at 1143 Missouri St, Fairfield, CA 94533. The listed phone number is (707) 435-9911.

What is Mark Hernandez'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 Mark Hernandez was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months 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.