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MS. MARY CAROL O'NEILL LCSW
NPI 1417217878
Social Worker - Clinical in Pleasanton, CA

Active since May 19, 2012
3825 HOPYARD RD, SUITE 140, PLEASANTON, CA 94588(925) 847-5453 Get Directions Write a Review

NPPES record last updated: May 19, 2012. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Ms. Mary Carol O'neill Lcsw NPPES

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

MS. MARY CAROL O'NEILL LCSW (NPI 1417217878) is an individual clinical provider in Pleasanton, California, licensed in California (LCS 28356) and active in the NPI registry since May 2012.

NPPES Registry Identity

NPI1417217878
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMS. MARY CAROL O'NEILLCredential: LCSW
Location Address3825 HOPYARD RD, SUITE 140Pleasanton, CA 94588-8528
Mailing AddressPo Box 3181Danville, CA 94526-6481 · (925) 847-5453
Phone(925) 847-5453
Sole ProprietorNo
Enumeration DateMay 19, 2012
✔ NPI 1417217878 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCS 28356
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
3825 HOPYARD RD, Pleasanton, CA 94588
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Other Names 1

Former Name (1)Ms. Mary Carol Skagen

Other Providers at the Same Location NPPES 7

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

DR. REBECCA L. HIRSCH MD
Psychiatry & Neurology (Psychiatry)
3825 HOPYARD RD, SUITE 140
PLEASANTON, CA 94588
Alameda County (925) 847-5051
DR. ALLISON R DELOREFICE PHD
Psychologist (Clinical)
3825 HOPYARD RD, SUITE 202
PLEASANTON, CA 94588
Alameda County (925) 847-5051
DR. MARIE DE LA PAZ SUM PSY.D.
Psychologist (Clinical Child & Adolescent)
3825 HOPYARD RD, SUITE 140
PLEASANTON, CA 94588
Alameda County (925) 847-5102
DR. SPENCER HARRIS GROSS PH.D.
Psychologist (Clinical)
3825 HOPYARD RD, KAISER-PLEASANTON MENTAL HEALTH, SUITE 202
PLEASANTON, CA 94588
Alameda County (925) 847-5166
AGNES SUSABDA PHD
Psychologist (Clinical)
3825 HOPYARD RD
PLEASANTON, CA 94588
Alameda County (925) 847-5051
MS. JANET YVONNE MERZ LCSW
Social Worker (Clinical)
3825 HOPYARD RD
PLEASANTON, CA 94588
Alameda County (925) 847-5510
DR. LAURIE CHEN M.D.
Psychiatry & Neurology (Psychiatry)
3825 HOPYARD RD, SUITE 140
PLEASANTON, CA 94588
Alameda County (925) 847-5051

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 Mary O'neill's NPI number?

The NPI number for Mary O'neill is 1417217878. It was assigned to this individual provider in the NPPES registry on May 19, 2012. The provider is also known as Ms. Mary Carol Skagen.

Where is Mary O'neill located?

Mary O'neill practices at 3825 Hopyard Rd Suite 140, Pleasanton, CA 94588. The listed phone number is (925) 847-5453.

What is Mary O'neill's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Mary O'neill was last updated on May 19, 2012. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.