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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 Santa Monica, CA

Active since March 26, 2020
1223 16TH ST STE 3400, SANTA MONICA, CA 90404(310) 449-0939 Get Directions Write a Review

NPPES record last updated: October 2, 2026. Verified against the NPPES registry weekly; last sync: October 04, 2026.

Record update history: Oct 2, 2026, Sep 24, 2026, Aug 4, 2026 and 1 more (4 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 Santa Monica, California, licensed in California (A185799) and active in the NPI registry since March 2020. She maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1942837067
Entity TypeIndividualFemale
Primary Taxonomy207RP1001X
Provider Legal NameHOLLYANN LOUI
Location Address1223 16TH ST STE 3400Santa Monica, CA 90404-1279
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(310) 449-0939
Sole ProprietorNo
Enumeration DateMarch 26, 2020
Last NPPES UpdateOctober 2, 20264 updates tracked since enumeration
NPPES CertifiedOctober 2, 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)
1223 16TH ST STE 3400, Santa Monica, CA 90404
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Secondary Practice Location 1

Location 1757 Westwood Plaza, (Internal Medicine)Los Angeles, CA 90095-7419 · Phone (310) 267-7849

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. COLLEEN LUCY CHANNICK M.D.
Internal Medicine (Pulmonary Disease)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
NEAL WALIA
Internal Medicine (Sleep Medicine)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
DR. TAO HE M.D., PH.D.
Internal Medicine (Pulmonary Disease)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
DR. TROY MATHEW CISNEROS MD
Internal Medicine (Sleep Medicine)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
BRIAN TOSHIRO FRY MD
Surgery
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 319-4080
SHAILESH BALASUBRAMANIAN
Internal Medicine (Pulmonary Disease)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
TIMOTHY JING PING YOUNG MD
Internal Medicine (Pulmonary Disease)
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 449-0939
RACHEL M MALOLEPSZY MS, RD
Dietitian, Registered
1223 16TH ST STE 3400
SANTA MONICA, CA 90404
Los Angeles County (310) 319-4080

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 1223 16th St Ste 3400, Santa Monica, CA 90404. The listed phone number is (310) 449-0939.

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 October 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.