FIONA MICHELLE GARLICH HORNER M.D.
NPI 1083880256
Emergency Medicine - Medical Toxicology in Los Angeles, CA

Q: What is Fiona Garlich Horner's NPI number?

The NPI number for Fiona Garlich Horner is 1083880256. It was assigned to this individual provider in the NPPES registry on May 7, 2008. The provider is also known as Fiona Michelle Garlich M.D..

Q: What is Fiona Garlich Horner's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.

Active since May 07, 2008PECOS Enrolled

1500 SAN PABLO ST, LOS ANGELES, CA 90033(323) 442-9922 Get Directions Write a Review

NPPES record last updated: November 27, 2023. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Sep 17, 2020, Jun 18, 2018, Mar 2, 2016 (3 updates tracked since 2016).

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About Fiona Michelle Garlich Horner M.d. NPPES

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

FIONA MICHELLE GARLICH HORNER M.D. (NPI 1083880256) is an individual medical toxicology provider in Los Angeles, California, licensed in California (A137178) and active in the NPI registry since May 2008. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083880256

Entity TypeIndividualFemale

Primary Taxonomy207PT0002X

Provider Legal NameFIONA MICHELLE GARLICH HORNERCredential: M.D.

Location Address1500 SAN PABLO STLos Angeles, CA 90033-5313

Mailing AddressPo Box 31309Los Angeles, CA 90031-0309 · (323) 442-9922

Phone(323) 442-9922

Sole ProprietorNo

Enumeration DateMay 7, 2008

Last NPPES UpdateNovember 27, 20233 updates tracked since enumeration

NPPES CertifiedSeptember 17, 2020

✔ NPI 1083880256 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency Medicine · Medical ToxicologyAllopathic & Osteopathic Physicians

Taxonomy Code207PT0002X

License✔ Licensed in CA · A137178

Definition

Medical toxicologists are physicians who specialize in the prevention, evaluation, treatment and monitoring of injury and illness from exposures to drugs and chemicals, as well as biological and radiological agents. Medical toxicologists care for people in clinical, academic, governmental and public health settings, and provide poison control center leadership. Important areas of medical toxicology include acute drug poisoning, adverse drug events, drug abuse, addiction and withdrawal, chemicals and hazardous materials, terrorism preparedness, venomous bites and stings and environmental and workplace exposures.

Also ListedEmergency MedicineTaxonomy 207P00000X · License A137178 (CA)

1500 SAN PABLO ST, Los Angeles, CA 90033

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Other Names 1

Former Name (1)Fiona Michelle Garlich M.d.

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Fiona Michelle Garlich Horner M.d. 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.

Medicare Billing Reassignment

Medicare enrollment records show Fiona Garlich Horner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Usc Care Medical Group, Inc

Same address

General Practice

1520 SAN PABLO ST
Los Angeles, CA 90033

Reassigned Medicare billing, California enrollment
2,445 clinicians in this Medicare group

NPI 1902846306 (323) 442-5955

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90033 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.

MRS. CATHY KIEM NGO CRNA

Nurse Anesthetist, Certified Registered

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

DR. THOMAS ALLEN BUCHANAN M.D.

Internal Medicine

1500 SAN PABLO ST, 3 NORTH UNIVERSITY HOSPITAL
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9576

DR. KASHIF TANVEER KHAN M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

BARBARA LEUNG

Occupational Therapist

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 272-2273

MELANIE KUSONRUKSA M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-7400

KAREN KIM PHARMD

Pharmacist (Pharmacist Clinician (PhC)/ Clinical Pharmacy Specialist)

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (323) 442-9385

DR. SHALINI SUNIL SHAH M.D.

Anesthesiology

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (714) 261-3585

TYLER DANIEL COHAN

Student in an Organized Health Care Education/Training Program

1500 SAN PABLO ST
LOS ANGELES, CA 90033

Los Angeles County (800) 872-2273

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 Fiona Garlich Horner's NPI number?

The NPI number for Fiona Garlich Horner is 1083880256. It was assigned to this individual provider in the NPPES registry on May 7, 2008. The provider is also known as Fiona Michelle Garlich M.D..

Where is Fiona Garlich Horner located?

Fiona Garlich Horner practices at 1500 San Pablo St, Los Angeles, CA 90033. The listed phone number is (323) 442-9922.

What is Fiona Garlich Horner's specialty?

The primary specialty registered for this NPI is Emergency Medicine, specializing in Medical Toxicology, with taxonomy code 207PT0002X.

Is Fiona Garlich Horner enrolled in Medicare?

Yes. Fiona Garlich Horner is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Fiona Garlich Horner's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Fiona Garlich Horner reassigns Medicare benefits to Usc Care Medical Group, Inc (Los Angeles, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Fiona Garlich Horner's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Fiona Garlich Horner was last updated on November 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.