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DR. KAREN HEATHER KOSER MD
NPI 1861703787
Pediatrics - Developmental - Behavioral Pediatrics in Los Angeles, CA

Active since June 24, 2010PECOS Enrolled
CHILDREN'S HOSPITAL OF LOS ANGELES, 4650 SUNSET BLVD. MS#53, LOS ANGELES, CA 90027(323) 361-3849 Get Directions Write a Review

NPPES record last updated: January 19, 2023. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jan 19, 2023, Jul 23, 2019, May 16, 2016 (3 updates tracked since 2016).

About Dr. Karen Heather Koser Md NPPES

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

DR. KAREN HEATHER KOSER MD (NPI 1861703787) is an individual developmental - behavioral pediatrics provider in Los Angeles, California, licensed in California (C162529) and active in the NPI registry since June 2010. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861703787
Entity TypeIndividualFemale
Primary Taxonomy2080P0006X
Provider Legal NameDR. KAREN HEATHER KOSERCredential: MD
Location AddressCHILDREN'S HOSPITAL OF LOS ANGELES, 4650 SUNSET BLVD. MS#53Los Angeles, CA 90027
Mailing Address5550 Hollywood Blvd Apt 445Los Angeles, CA 90028-9603
Phone(323) 361-3849
Sole ProprietorNo
Enumeration DateJune 24, 2010
Last NPPES UpdateJanuary 19, 20233 updates tracked since enumeration
✔ NPI 1861703787 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in CA · C162529
Definition
A developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Also ListedPediatricsTaxonomy 208000000X · License 264944 (NY)
CHILDREN'S HOSPITAL OF LOS ANGELES, Los Angeles, CA 90027
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Karen Heather Koser Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

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 Koser's NPI number?

The NPI number for Karen Koser is 1861703787. It was assigned to this individual provider in the NPPES registry on June 24, 2010.

Where is Karen Koser located?

Karen Koser practices at Children's Hospital Of Los Angeles 4650 Sunset Blvd. Ms#53, Los Angeles, CA 90027. The listed phone number is (323) 361-3849.

What is Karen Koser's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Karen Koser enrolled in Medicare?

Yes. Karen Koser is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Karen Koser was last updated on January 19, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.