MARIAH ANN LEWIS KEYSER
NPI 1215666052
Social Worker - Clinical in San Diego, CA

Active since June 07, 2022
3665 KEARNY VILLA RD STE 500, SAN DIEGO, CA 92123(858) 576-1700 Get Directions Write a Review

NPPES record last updated: May 14, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 14, 2026, Mar 14, 2023, Jun 7, 2022 (3 updates tracked since 2022).

About Mariah Ann Lewis Keyser NPPES

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

MARIAH ANN LEWIS KEYSER (NPI 1215666052) is an individual clinical provider in San Diego, California and active in the NPI registry since June 2022.

NPPES Registry Identity

NPI1215666052
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIAH ANN LEWIS KEYSER
Location Address3665 KEARNY VILLA RD STE 500San Diego, CA 92123-2899
Mailing Address3020 Childrens WaySan Diego, CA 92123-4223 · (858) 576-1700
Sole ProprietorNo
Enumeration DateJune 7, 2022
Last NPPES UpdateMay 14, 20263 updates tracked since enumeration
NPPES CertifiedMay 14, 2026
NPI 1215666052 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
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.
3665 KEARNY VILLA RD STE 500, San Diego, CA 92123

Other Names 1

Former Name (1)Mariah Ann Lewis

Other Providers at the Same Location NPPES 8

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

Social Worker (Clinical)
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Case Manager/Care Coordinator
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Case Manager/Care Coordinator
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Pediatrics (Child Abuse Pediatrics)
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Marriage & Family Therapist
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Social Worker (Clinical)
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Social Worker (Clinical)
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123
Student in an Organized Health Care Education/Training Program
3665 KEARNY VILLA RD STE 500
SAN DIEGO, CA 92123

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 Mariah Keyser's NPI number?

The NPI number for Mariah Keyser is 1215666052. It was assigned to this individual provider in the NPPES registry on June 7, 2022. The provider is also known as Mariah Ann Lewis.

Where is Mariah Keyser located?

Mariah Keyser practices at 3665 Kearny Villa Rd Ste 500, San Diego, CA 92123. The listed phone number is (858) 576-1700.

What is Mariah Keyser'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 Mariah Keyser was last updated on May 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.