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MARITZA OSTERDAY
NPI 1326446931
Counselor - Addiction (Substance Use Disorder) in Fairfield, CA

Active since December 12, 2014
1735 ENTERPRISE DR, SUITE 105A, FAIRFIELD, CA 94533(707) 425-1799(707) 425-1081 Get Directions Write a Review

NPPES record last updated: December 12, 2014. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Maritza Osterday NPPES

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

MARITZA OSTERDAY (NPI 1326446931) is an individual addiction (substance use disorder) provider in Fairfield, California and active in the NPI registry since December 2014.

NPPES Registry Identity

NPI1326446931
Entity TypeIndividualFemale
Primary Taxonomy101YA0400X
Provider Legal NameMARITZA OSTERDAY
Location Address1735 ENTERPRISE DR, SUITE 105AFairfield, CA 94533-6822
Mailing Address1735 Enterprise Dr, Suite 105aFairfield, CA 94533-6822 · (707) 425-1799 · Fax (707) 425-1081
Phone(707) 425-1799
Fax(707) 425-1081
Sole ProprietorYes
Enumeration DateDecember 12, 2014
✔ NPI 1326446931 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
1735 ENTERPRISE DR, Fairfield, CA 94533
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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.

CHELSEY MCDONALD
Counselor
1735 ENTERPRISE DR, SUITE 105A
FAIRFIELD, CA 94533
Solano County (707) 425-1799
MONTE FANTON
Counselor
1735 ENTERPRISE DR, SUITE 105 A
FAIRFIELD, CA 94533
Solano County (707) 425-1799
PRISCILLA FRIAS
Counselor (Addiction (Substance Use Disorder))
1735 ENTERPRISE DR
FAIRFIELD, CA 94533
Solano County (707) 425-1799
ASHLEY HATHCOCK
Counselor
1735 ENTERPRISE DR, SUITE 105A
FAIRFIELD, CA 94533
Solano County (707) 425-1799
JESSICA E DAMIANO
Counselor
1735 ENTERPRISE DR, SUITE 105 A
FAIRFIELD, CA 94533
Solano County (707) 450-7647
MRS. LYNDSEY RENEE KIRCHNER
Counselor
1735 ENTERPRISE DR, BLDG 1
FAIRFIELD, CA 94533
Solano County (707) 425-1799
LORI WEISENBURG
Counselor (Mental Health)
1735 ENTERPRISE DR, SUITE 105A
FAIRFIELD, CA 94533
Solano County (707) 425-1799
DARIN J ALEXANDER
Counselor (Addiction (Substance Use Disorder))
1735 ENTERPRISE DR
FAIRFIELD, CA 94533
Solano County (707) 425-1799

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 Maritza Osterday's NPI number?

The NPI number for Maritza Osterday is 1326446931. It was assigned to this individual provider in the NPPES registry on December 12, 2014.

Where is Maritza Osterday located?

Maritza Osterday practices at 1735 Enterprise Dr Suite 105A, Fairfield, CA 94533. The listed phone number is (707) 425-1799.

What is Maritza Osterday'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 Maritza Osterday was last updated on December 12, 2014. 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.