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AUSTIN OWEN KOESTNER MS
NPI 1952118960
Marriage & Family Therapist in Monrovia, CA

Active since December 12, 2024
815 W FOOTHILL BLVD, MONROVIA, CA 91016(909) 333-5578 Get Directions Write a Review

NPPES record last updated: December 24, 2024. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Dec 24, 2024, Dec 19, 2024, Dec 12, 2024 (3 updates tracked since 2024).

About Austin Owen Koestner Ms NPPES

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

AUSTIN OWEN KOESTNER MS (NPI 1952118960) is an individual marriage & family therapist in Monrovia, California, licensed in California (152003) and active in the NPI registry since December 2024.

NPPES Registry Identity

NPI1952118960
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameAUSTIN OWEN KOESTNERCredential: MS
Location Address815 W FOOTHILL BLVDMonrovia, CA 91016-1913
Mailing Address225 S Ivy Ave, Po Box 4Monrovia, CA 91016-5360 · (909) 333-5578
Phone(909) 333-5578
Sole ProprietorYes
Enumeration DateDecember 12, 2024
Last NPPES UpdateDecember 24, 20243 updates tracked since enumeration
NPPES CertifiedDecember 24, 2024
✔ NPI 1952118960 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 · 152003
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.
815 W FOOTHILL BLVD, Monrovia, CA 91016
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Other Providers at the Same Location NPPES 5

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

EYE OF THE STORM
Clinic/Center (Mental Health (Including Community Mental Health Center))
815 W FOOTHILL BLVD
MONROVIA, CA 91016
Los Angeles County (626) 321-8141
ALMOG SHANUN LMFT
Marriage & Family Therapist
815 W FOOTHILL BLVD
MONROVIA, CA 91016
Los Angeles County (626) 321-8141
TAMMY HASTON TURK LMFT
Marriage & Family Therapist
815 W FOOTHILL BLVD
MONROVIA, CA 91016
Los Angeles County (818) 207-0161
JESSICA PELIKAN AMFT
Marriage & Family Therapist
815 W FOOTHILL BLVD
MONROVIA, CA 91016
Los Angeles County (626) 559-2101
JORDAN DERBIS
Marriage & Family Therapist
815 W FOOTHILL BLVD
MONROVIA, CA 91016
Los Angeles County (626) 415-8539

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 Austin Koestner's NPI number?

The NPI number for Austin Koestner is 1952118960. It was assigned to this individual provider in the NPPES registry on December 12, 2024.

Where is Austin Koestner located?

Austin Koestner practices at 815 W Foothill Blvd, Monrovia, CA 91016. The listed phone number is (909) 333-5578.

What is Austin Koestner'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 Austin Koestner was last updated on December 24, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.