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MS. LESLIE A STONE M.S., MFT
NPI 1720131832
Marriage & Family Therapist in Claremont, CA

Active since January 19, 2007Opted out of Medicare · through Jan 24, 2027
427 YALE AVE, CLAREMONT, CA 91711(909) 625-4838(909) 606-4169 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Ms. Leslie A Stone M.s., Mft NPPES

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

MS. LESLIE A STONE M.S., MFT (NPI 1720131832) is an individual marriage & family therapist in Claremont, California, licensed in California (MFC 22505) and active in the NPI registry since January 2007. She has opted out of Medicare through January 24, 2027.

NPPES Registry Identity

NPI1720131832
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. LESLIE A STONECredential: M.S., MFT
Location Address427 YALE AVEClaremont, CA 91711-4340
Mailing Address427 Yale AveClaremont, CA 91711-4340 · (909) 625-4838 · Fax (909) 606-4169
Phone(909) 625-4838
Fax(909) 606-4169
Sole ProprietorYes
Enumeration DateJanuary 19, 2007
Last NPPES UpdateNovember 27, 2023
NPPES CertifiedNovember 27, 2023
✔ NPI 1720131832 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 · MFC 22505
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.
427 YALE AVE, Claremont, CA 91711
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

ⓘ

Opted out of Medicare

Ms. Leslie A Stone M.s., Mft has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 24, 2025 through January 24, 2027.

Opt-Out Effective DateJanuary 24, 2025
Opt-Out In Effect ThroughJanuary 24, 2027Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 4

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

DR. CHRISTINE WONG PSY.D.
Psychologist (Clinical)
427 YALE AVE, STE 200
CLAREMONT, CA 91711
Los Angeles County (909) 833-1596
MS. ANN SKENDERIAN LCSW
Social Worker (Clinical)
427 YALE AVE
CLAREMONT, CA 91711
Los Angeles County (909) 625-6106
HELEN LINDA CONARD PH.D.
Psychologist (Clinical)
427 YALE AVE
CLAREMONT, CA 91711
Los Angeles County (909) 985-9938
ELAINE MILLER KARAS MSW, LCSW
Social Worker (Clinical)
427 YALE AVE, SUITE 202
CLAREMONT, CA 91711
Los Angeles County (909) 815-4914

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 Stone's NPI number?

The NPI number for Leslie Stone is 1720131832. It was assigned to this individual provider in the NPPES registry on January 19, 2007.

Where is Leslie Stone located?

Leslie Stone practices at 427 Yale Ave, Claremont, CA 91711. The listed phone number is (909) 625-4838.

What is Leslie Stone's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

Is Leslie Stone enrolled in Medicare?

No. Leslie Stone has opted out of Medicare through January 24, 2027. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Leslie Stone was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.