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KATHERINE DEMARIOUS OCONNOR
NPI 1497514228
Marriage & Family Therapist in Santa Rosa, CA

Active since March 14, 2024
2403 PROFESSIONAL DR, SANTA ROSA, CA 95403(707) 544-3295 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Katherine Demarious Oconnor NPPES

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

KATHERINE DEMARIOUS OCONNOR (NPI 1497514228) is an individual marriage & family therapist in Santa Rosa, California, licensed in California (159246) and active in the NPI registry since March 2024.

NPPES Registry Identity

NPI1497514228
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameKATHERINE DEMARIOUS OCONNOR
Location Address2403 PROFESSIONAL DRSanta Rosa, CA 95403-3007
Mailing Address325 Edith StPetaluma, CA 94952-3225 · (310) 850-1396
Phone(707) 544-3295
Sole ProprietorNo
Enumeration DateMarch 14, 2024
Last NPPES UpdateNovember 13, 2025
NPPES CertifiedNovember 13, 2025
✔ NPI 1497514228 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 159246
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
2403 PROFESSIONAL DR, Santa Rosa, CA 95403
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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.

JESSICA LYNN ALLEN RAS #M0605161317
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR, SUITE 101
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
KAI MARTIN DENIS CADC 1
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
BROOKE LANE NICHOLS
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
ATHENA KOSTICK
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
RAFAEL J ZARAGOZA
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
DELANEY DAVIDGE
Specialist/Technologist, Other
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
DRUG ABUSE ALTERNATIVES CENTER
Counselor (Addiction (Substance Use Disorder))
2403 PROFESSIONAL DR
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295
DRUG ABUSE ALTERNATIVES CENTER
Clinic/Center (Rehabilitation, Substance Use Disorder)
2403 PROFESSIONAL DR, SUITE 101
SANTA ROSA, CA 95403
Sonoma County (707) 544-3295

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 Katherine Oconnor's NPI number?

The NPI number for Katherine Oconnor is 1497514228. It was assigned to this individual provider in the NPPES registry on March 14, 2024.

Where is Katherine Oconnor located?

Katherine Oconnor practices at 2403 Professional Dr, Santa Rosa, CA 95403. The listed phone number is (707) 544-3295.

What is Katherine Oconnor's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Katherine Oconnor was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.