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COURTNEY COSTELLO
NPI 1639843659
Marriage & Family Therapist in Stockton, CA

Active since August 03, 2021
4545 GEORGETOWN SUITE A3, STOCKTON, CA 95207(209) 955-1139 Get Directions Write a Review

NPPES record last updated: January 7, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 7, 2025, Feb 9, 2024, Dec 12, 2023 and 2 more (5 updates tracked since 2021).

About Courtney Costello NPPES

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

COURTNEY COSTELLO (NPI 1639843659) is an individual marriage & family therapist in Stockton, California, licensed in California (AMFT144592) and active in the NPI registry since August 2021. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1639843659
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameCOURTNEY COSTELLO
Location Address4545 GEORGETOWN SUITE A3Stockton, CA 95207
Mailing Address10400 Fricot City RdSan Andreas, CA 95249-9642 · (209) 736-4500
Phone(209) 955-1139
Sole ProprietorNo
Enumeration DateAugust 3, 2021
Last NPPES UpdateJanuary 7, 20255 updates tracked since enumeration
NPPES CertifiedJanuary 7, 2025
✔ NPI 1639843659 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · AMFT144592
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.
Also ListedBehavior TechnicianTaxonomy 106S00000X
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
Also ListedCommunity Health WorkerTaxonomy 172V00000X
4545 GEORGETOWN SUITE A3, Stockton, CA 95207
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Secondary Practice Locations 2

Location 12630 W Rumble RdModesto, CA 95350-0155 · Phone (209) 222-2378
Location 210400 Fricot City RdSan Andreas, CA 95249-9642 · Phone (209) 736-4500

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 Courtney Costello's NPI number?

The NPI number for Courtney Costello is 1639843659. It was assigned to this individual provider in the NPPES registry on August 3, 2021.

Where is Courtney Costello located?

Courtney Costello practices at 4545 Georgetown Suite A3, Stockton, CA 95207. The listed phone number is (209) 955-1139.

What is Courtney Costello'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 Courtney Costello was last updated on January 7, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.