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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARILYN JEAN MARTINO
NPI 1205719200
Counselor - Addiction (Substance Use Disorder) in Sonora, CA

Active since July 28, 2025
20001 HIGHWAY 108, SONORA, CA 95370(209) 588-7018 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 27, 2026.

About Marilyn Jean Martino NPPES

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

MARILYN JEAN MARTINO (NPI 1205719200) is an individual addiction (substance use disorder) provider in Sonora, California, licensed in California (26110) and active in the NPI registry since July 2025.

NPPES Registry Identity

NPI1205719200
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARILYN JEAN MARTINO
Location Address20001 HIGHWAY 108Sonora, CA 95370-8422
Mailing Address19401 Susan WaySonora, CA 95370-9266 · (209) 588-7018
Phone(209) 588-7018
Sole ProprietorYes
Enumeration DateJuly 28, 2025
Last NPPES UpdateSeptember 1, 2026
NPPES CertifiedSeptember 1, 2026
✔ NPI 1205719200 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 · 26110
20001 HIGHWAY 108, Sonora, CA 95370
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Other Providers at the Same Location NPPES 2

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

ROBERT C MESSER
Case Manager/Care Coordinator
20001 HIGHWAY 108
SONORA, CA 95370
Tuolumne County (209) 588-6164
STEPHANIE LOUISE FOSTER R1500630323
Counselor (Addiction (Substance Use Disorder))
20001 HIGHWAY 108
SONORA, CA 95370
Tuolumne County (209) 459-0820

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 Marilyn Martino's NPI number?

The NPI number for Marilyn Martino is 1205719200. It was assigned to this individual provider in the NPPES registry on July 28, 2025.

Where is Marilyn Martino located?

Marilyn Martino practices at 20001 Highway 108, Sonora, CA 95370. The listed phone number is (209) 588-7018.

What is Marilyn Martino'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 Marilyn Martino was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 30 days 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.