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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

KAREN JOANNE HAMER ETIENNE
NPI 1912820713
Rehabilitation Practitioner in Los Angeles, CA

Active since July 30, 2026
840 N AVENUE 66, LOS ANGELES, CA 90042(626) 395-7100 Get Directions Write a Review

NPPES record added: July 30, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Karen Joanne Hamer Etienne NPPES

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

KAREN JOANNE HAMER ETIENNE (NPI 1912820713) is an individual rehabilitation practitioner in Los Angeles, California and active in the NPI registry since July 2026.

NPPES Registry Identity

NPI1912820713
Entity TypeIndividualFemale
Primary Taxonomy225400000X
Provider Legal NameKAREN JOANNE HAMER ETIENNE
Location Address840 N AVENUE 66Los Angeles, CA 90042-1508
Mailing Address840 N Avenue 66Los Angeles, CA 90042-1508 · (626) 395-7100
Phone(626) 395-7100
Sole ProprietorNo
Enumeration DateJuly 30, 2026
NPPES CertifiedJuly 30, 2026
✔ NPI 1912820713 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRehabilitation PractitionerRespiratory, Developmental, Rehabilitative and Restorative Service Providers
Taxonomy Code225400000X
Definition
A health care practitioner who trains or retrains individuals disabled by disease or injury to help them attain their maximum functional capacity.
840 N AVENUE 66, Los Angeles, CA 90042
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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.

DR. JENNIE M. MATHESS PSY.D.
Psychologist (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
RUBY A GARCIA LPT
Licensed Psychiatric Technician
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
ALICIA GUERRA
Rehabilitation Practitioner
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
MS. ROMINA MONSERRAT TEJEDA LMFT
Marriage & Family Therapist
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
MARISSA LEE LUBAG
Peer Specialist
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
MAYRA MELGOZA
Social Worker (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
EVELYN AVILA
Social Worker (Clinical)
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100
MALIYA GUERCY
Licensed Psychiatric Technician
840 N AVENUE 66
LOS ANGELES, CA 90042
Los Angeles County (626) 395-7100

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 Karen Hamer Etienne's NPI number?

The NPI number for Karen Hamer Etienne is 1912820713. It was assigned to this individual provider in the NPPES registry on July 30, 2026.

Where is Karen Hamer Etienne located?

Karen Hamer Etienne practices at 840 N Avenue 66, Los Angeles, CA 90042. The listed phone number is (626) 395-7100.

What is Karen Hamer Etienne's specialty?

The primary specialty registered for this NPI is Rehabilitation Practitioner with taxonomy code 225400000X.

When was this NPI record last updated?

The NPPES record for Karen Hamer Etienne was last updated on July 30, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.