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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

HOLLYANN LOUI
NPI 1942837067
Internal Medicine - Pulmonary Disease in Los Angeles, CA

Active since March 26, 2020
757 WESTWOOD PLAZA, (INTERNAL MEDICINE), LOS ANGELES, CA 90095(310) 267-7849 Get Directions Write a Review

NPPES record last updated: August 4, 2026. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 4, 2026, Mar 26, 2020 (2 updates tracked since 2020).

About Hollyann Loui NPPES

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

HOLLYANN LOUI (NPI 1942837067) is an individual pulmonary disease provider in Los Angeles, California, licensed in California (A185799) and active in the NPI registry since March 2020.

NPPES Registry Identity

NPI1942837067
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameHOLLYANN LOUI
Location Address757 WESTWOOD PLAZA, (INTERNAL MEDICINE)Los Angeles, CA 90095-7419
Mailing Address757 Westwood PlzLos Angeles, CA 90095-7419
Phone(310) 267-7849
Sole ProprietorNo
Enumeration DateMarch 26, 2020
Last NPPES UpdateAugust 4, 20262 updates tracked since enumeration
NPPES CertifiedAugust 4, 2026
✔ NPI 1942837067 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal Medicine · Pulmonary DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RP1001X
License✔ Licensed in CA · A185799
Definition
An internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex disorders of the lungs.
Also ListedInternal Medicine · Critical Care MedicineTaxonomy 207RC0200X · License A185799 (CA)
757 WESTWOOD PLAZA, (INTERNAL MEDICINE), Los Angeles, CA 90095
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Other Providers at the Same Location NPPES 3

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

QICONG SHENG
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, (INTERNAL MEDICINE)
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375
NIKITA NANGIA
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, (INTERNAL MEDICINE)
LOS ANGELES, CA 90095
Los Angeles County (312) 503-7975
MOHAMED HISHAM SIDDEEK
Student in an Organized Health Care Education/Training Program
757 WESTWOOD PLAZA, (INTERNAL MEDICINE)
LOS ANGELES, CA 90095
Los Angeles County (310) 825-7375

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 Hollyann Loui's NPI number?

The NPI number for Hollyann Loui is 1942837067. It was assigned to this individual provider in the NPPES registry on March 26, 2020.

Where is Hollyann Loui located?

Hollyann Loui practices at 757 Westwood Plaza, (internal Medicine), Los Angeles, CA 90095. The listed phone number is (310) 267-7849.

What is Hollyann Loui's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Pulmonary Disease, with taxonomy code 207RP1001X.

When was this NPI record last updated?

The NPPES record for Hollyann Loui was last updated on August 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 24 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.