MELISA NICHOLSON LCSW
NPI 1407206261
Social Worker - Clinical in Mission Viejo, CA

Active since June 13, 2016
27800 MEDICAL CENTER RD, MISSION VIEJO, CA 92691(949) 866-3600 Get Directions Write a Review

NPPES record last updated: July 26, 2022. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 26, 2022, Sep 26, 2016, Jun 13, 2016 (3 updates tracked since 2016).

About Melisa Nicholson Lcsw NPPES

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

MELISA NICHOLSON LCSW (NPI 1407206261) is an individual clinical provider in Mission Viejo, California, licensed in California (107541) and active in the NPI registry since June 2016. She maintains a secondary practice location in Fullerton.

NPPES Registry Identity

NPI1407206261
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMELISA NICHOLSONCredential: LCSW
Location Address27800 MEDICAL CENTER RDMission Viejo, CA 92691-6410
Mailing Address11481 American River RdCorona, CA 92878-9416 · (714) 398-2938
Sole ProprietorNo
Enumeration DateJune 13, 2016
Last NPPES UpdateJuly 26, 20223 updates tracked since enumeration
NPPES CertifiedJuly 26, 2022
NPI 1407206261 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License Licensed in CA · 107541
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedSocial WorkerTaxonomy 104100000X
27800 MEDICAL CENTER RD, Mission Viejo, CA 92691

Other Names 1

Former Name (1)Melisa Villanueva Msw

Secondary Practice Location 1

Location 1801 E Chapman Ave Ste 203Fullerton, CA 92831-3846 · Phone (714) 680-9000 ext. 9034 · Fax (714) 680-8239

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.

Pediatrics
27800 MEDICAL CENTER RD, SUITE 204
MISSION VIEJO, CA 92691
Otolaryngology
27800 MEDICAL CENTER RD, SUITE 261
MISSION VIEJO, CA 92691
Pediatrics (Neonatal-Perinatal Medicine)
27800 MEDICAL CENTER RD, SUITE 204
MISSION VIEJO, CA 92691
Family Medicine
27800 MEDICAL CENTER RD, SUITE 461
MISSION VIEJO, CA 92691
Internal Medicine (Cardiovascular Disease)
27800 MEDICAL CENTER RD, SUITE 222
MISSION VIEJO, CA 92691
Dentist (Oral and Maxillofacial Surgery)
27800 MEDICAL CENTER RD, 238
MISSION VIEJO, CA 92691
Social Worker (Clinical)
27800 MEDICAL CENTER RD
MISSION VIEJO, CA 92691
Dentist (Pediatric Dentistry)
27800 MEDICAL CENTER RD, SUITE 332
MISSION VIEJO, CA 92691

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 Melisa Nicholson's NPI number?

The NPI number for Melisa Nicholson is 1407206261. It was assigned to this individual provider in the NPPES registry on June 13, 2016. The provider is also known as Melisa Villanueva Msw.

Where is Melisa Nicholson located?

Melisa Nicholson practices at 27800 Medical Center Rd, Mission Viejo, CA 92691. The listed phone number is (949) 866-3600.

What is Melisa Nicholson'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 Melisa Nicholson was last updated on July 26, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.