HILLARY WRENN CAROTHERS SEIDENBERG
NPI 1700240363
Pediatrics in Los Angeles, CA

Active since April 11, 2016PECOS Enrolled
757 WESTWOOD PLZ, LOS ANGELES, CA 90095(310) 267-9129 Get Directions Write a Review

NPPES record last updated: October 14, 2025. Verified against the NPPES registry weekly; last sync: August 30, 2026.

About Hillary Wrenn Carothers Seidenberg NPPES

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

HILLARY WRENN CAROTHERS SEIDENBERG (NPI 1700240363) is an individual pediatrics provider in Los Angeles, California, licensed in California (A155767) and active in the NPI registry since April 2016. She is enrolled in Medicare PECOS and maintains a secondary practice location in Ventura.

NPPES Registry Identity

NPI1700240363
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameHILLARY WRENN CAROTHERS SEIDENBERG
Location Address757 WESTWOOD PLZLos Angeles, CA 90095-7419
Mailing Address757 Westwood PlzLos Angeles, CA 90095-7419 · (310) 267-9129
Sole ProprietorNo
Enumeration DateApril 11, 2016
Last NPPES UpdateOctober 14, 2025
NPPES CertifiedOctober 14, 2025
NPI 1700240363 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License Licensed in CA · A155767
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
757 WESTWOOD PLZ, Los Angeles, CA 90095

Secondary Practice Location 1

Location 1300 Hillmont Ave Ste 302Ventura, CA 93003-1651 · Phone (805) 641-4494

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Hillary Wrenn Carothers Seidenberg 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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90095 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Pediatrics
757 WESTWOOD PLZ, B711 RRUMC
LOS ANGELES, CA 90095
Anesthesiology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Internal Medicine
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Urology
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLZ
LOS ANGELES, CA 90095

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 Hillary Seidenberg's NPI number?

The NPI number for Hillary Seidenberg is 1700240363. It was assigned to this individual provider in the NPPES registry on April 11, 2016.

Where is Hillary Seidenberg located?

Hillary Seidenberg practices at 757 Westwood Plz, Los Angeles, CA 90095. The listed phone number is (310) 267-9129.

What is Hillary Seidenberg's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Hillary Seidenberg enrolled in Medicare?

Yes. Hillary Seidenberg is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Hillary Seidenberg was last updated on October 14, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.