SIERRA HARTSFIELD
NPI 1043631922
Social Worker - Clinical in Cerritos, CA

Active since December 19, 2013
12900 PARK PLAZA DR, CERRITOS, CA 90703(562) 467-5438 Get Directions Write a Review

NPPES record last updated: May 11, 2023. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: May 11, 2023, Jul 24, 2019 (2 updates tracked since 2019).

About Sierra Hartsfield NPPES

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

SIERRA HARTSFIELD (NPI 1043631922) is an individual clinical provider in Cerritos, California, licensed in California (94879) and active in the NPI registry since December 2013. She maintains a secondary practice location in Gaithersburg.

NPPES Registry Identity

NPI1043631922
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSIERRA HARTSFIELD
Location Address12900 PARK PLAZA DRCerritos, CA 90703-9329
Mailing Address60 Market St Ste 213Gaithersburg, MD 20878-6559 · (240) 813-4433
Sole ProprietorNo
Enumeration DateDecember 19, 2013
Last NPPES UpdateMay 11, 20232 updates tracked since enumeration
NPPES CertifiedMay 11, 2023
NPI 1043631922 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
Licenses Licensed in CA · 94879 Licensed in MD · 19073
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.
12900 PARK PLAZA DR, Cerritos, CA 90703

Secondary Practice Location 1

Location 116220 Frederick Rd, 310Gaithersburg, MD 20877-4039 · Phone (301) 345-1022

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.

Internal Medicine
12900 PARK PLAZA DR, SUITE 150
CERRITOS, CA 90703
Internal Medicine (Gastroenterology)
12900 PARK PLAZA DR, ATTENTION: MAGGIE NOLES
CERRITOS, CA 90703
Marriage & Family Therapist
12900 PARK PLAZA DR
CERRITOS, CA 90703
Nurse Practitioner (Family)
12900 PARK PLAZA DR
CERRITOS, CA 90703
Internal Medicine
12900 PARK PLAZA DR, STE 700, MS-7110
CERRITOS, CA 90703
Nurse Practitioner (Family)
12900 PARK PLAZA DR, STE 150
CERRITOS, CA 90703
Nurse Practitioner
12900 PARK PLAZA DR
CERRITOS, CA 90703
Nurse Practitioner (Gerontology)
12900 PARK PLAZA DR, # 150
CERRITOS, CA 90703

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 Sierra Hartsfield's NPI number?

The NPI number for Sierra Hartsfield is 1043631922. It was assigned to this individual provider in the NPPES registry on December 19, 2013.

Where is Sierra Hartsfield located?

Sierra Hartsfield practices at 12900 Park Plaza Dr, Cerritos, CA 90703. The listed phone number is (562) 467-5438.

What is Sierra Hartsfield'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 Sierra Hartsfield was last updated on May 11, 2023. NPI Profile syncs with the weekly NPPES data releases published by CMS.