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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.

KAREN TREMAIN
NPI 1538523899
Counselor - Professional in Oceanside, CA

Active since April 12, 2016
1100 SPORTFISHER DR, OCEANSIDE, CA 92054(858) 666-5605 Get Directions Write a Review

NPPES record last updated: August 18, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 18, 2026, Nov 21, 2019 (2 updates tracked since 2019).

About Karen Tremain NPPES

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

KAREN TREMAIN (NPI 1538523899) is an individual professional provider in Oceanside, California, licensed in California (APCC19526) and active in the NPI registry since April 2016.

NPPES Registry Identity

NPI1538523899
Entity TypeIndividualFemale
Primary Taxonomy101YP2500X
Provider Legal NameKAREN TREMAIN
Location Address1100 SPORTFISHER DROceanside, CA 92054-2550
Mailing Address1100 Sportfisher DrOceanside, CA 92054-2550 · (858) 666-5605
Phone(858) 666-5605
Sole ProprietorNo
Enumeration DateApril 12, 2016
Last NPPES UpdateAugust 18, 20262 updates tracked since enumeration
NPPES CertifiedAugust 18, 2026
✔ NPI 1538523899 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in CA · APCC19526
1100 SPORTFISHER DR, Oceanside, CA 92054
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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.

VICTORIA LIEKO ESTEP RADT
Case Manager/Care Coordinator
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
VICTORIA MARIE RALPH
Psychologist
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (858) 376-0230
MENTAL HEALTH SYSTEMS, INC.
Substance Abuse Rehabilitation Facility
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
JURILDA MEHMETI MCGAHEY
Counselor (Addiction (Substance Use Disorder))
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
JUDY EZRATTY MA
Counselor (Addiction (Substance Use Disorder))
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
MS. KENDENE THOMAS
Case Manager/Care Coordinator
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
LAURA LUPITA BARBOZA
Counselor (Addiction (Substance Use Disorder))
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (760) 439-6702
ADRIANA LIN CASTRO RADT-1
Counselor (Addiction (Substance Use Disorder))
1100 SPORTFISHER DR
OCEANSIDE, CA 92054
San Diego County (619) 381-4107

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 Karen Tremain's NPI number?

The NPI number for Karen Tremain is 1538523899. It was assigned to this individual provider in the NPPES registry on April 12, 2016.

Where is Karen Tremain located?

Karen Tremain practices at 1100 Sportfisher Dr, Oceanside, CA 92054. The listed phone number is (858) 666-5605.

What is Karen Tremain's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

When was this NPI record last updated?

The NPPES record for Karen Tremain was last updated on August 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.