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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MRS. LESLIE ANNE BYERS LMFT
NPI 1417484643
Marriage & Family Therapist in Chino Hills, CA

Active since May 18, 2017
2140 GRAND AVE STE 215, CHINO HILLS, CA 91709(714) 679-6303 Get Directions Write a Review

NPPES record last updated: October 27, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 27, 2026, Jul 21, 2022, Mar 17, 2018 and 1 more (4 updates tracked since 2017).

About Mrs. Leslie Anne Byers Lmft NPPES

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

MRS. LESLIE ANNE BYERS LMFT (NPI 1417484643) is an individual marriage & family therapist in Chino Hills, California, licensed in California (MFT33999) and active in the NPI registry since May 2017. She maintains a secondary practice location in Brea.

NPPES Registry Identity

NPI1417484643
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMRS. LESLIE ANNE BYERSCredential: LMFT
Location Address2140 GRAND AVE STE 215Chino Hills, CA 91709-6804
Mailing Address242 S Orange Ave Ste 206Brea, CA 92821-4980 · (714) 679-6303
Phone(714) 679-6303
Sole ProprietorYes
Enumeration DateMay 18, 2017
Last NPPES UpdateOctober 27, 20264 updates tracked since enumeration
NPPES CertifiedOctober 27, 2026
✔ NPI 1417484643 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 · MFT33999
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.
2140 GRAND AVE STE 215, Chino Hills, CA 91709
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Secondary Practice Location 1

Location 1265 S Randolph Ave Ste 250Brea, CA 92821-5701 · Phone (714) 679-6303

Other Providers at the Same Location NPPES

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

JUDITH BESTEMAN LMFT
Marriage & Family Therapist
2140 GRAND AVE STE 215
CHINO HILLS, CA 91709
San Bernardino County (909) 287-6353

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 Leslie Byers's NPI number?

The NPI number for Leslie Byers is 1417484643. It was assigned to this individual provider in the NPPES registry on May 18, 2017.

Where is Leslie Byers located?

Leslie Byers practices at 2140 Grand Ave Ste 215, Chino Hills, CA 91709. The listed phone number is (714) 679-6303.

What is Leslie Byers'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 Leslie Byers was last updated on October 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days 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.