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LOUIE R CAO MD
NPI 1306425525
Internal Medicine in West Hollywood, CA

Active since April 05, 2021
8700 BEVERLY BLVD, WEST HOLLYWOOD, CA 90048(310) 423-6325(310) 423-0436 Get Directions Write a Review

NPPES record last updated: July 3, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 3, 2024, Apr 5, 2021 (2 updates tracked since 2021).

About Louie R Cao Md NPPES

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

LOUIE R CAO MD (NPI 1306425525) is an individual internal medicine provider in West Hollywood, California, licensed in California (A183656) and active in the NPI registry since April 2021.

NPPES Registry Identity

NPI1306425525
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameLOUIE R CAOCredential: MD
Location Address8700 BEVERLY BLVDWest Hollywood, CA 90048-1804
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Phone(310) 423-6325
Fax(310) 423-0436
Sole ProprietorNo
Enumeration DateApril 5, 2021
Last NPPES UpdateJuly 3, 20242 updates tracked since enumeration
NPPES CertifiedJuly 3, 2024
✔ NPI 1306425525 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A183656
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
8700 BEVERLY BLVD, West Hollywood, CA 90048
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Louie R Cao Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignments

2

Medicare enrollment records show Louie Cao reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Cedars-Sinai Medical Care Foundation
Same address
Anesthesiology
8700 BEVERLY BLVD STE SB-290
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
NPI 1043826720 (310) 423-1447
Cedars-Sinai Medical Center
Same address
General Acute Care Hospital
8700 BEVERLY BLVD
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 1,001 clinicians in this Medicare group
NPI 1639172372 (323) 866-8600

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients

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. BERNICE LOUISE COLEMAN PH.D, ACNP-BC
Nurse Practitioner (Acute Care)
8700 BEVERLY BLVD, NORTH TOWER ROOM 6215
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6178
DR. INGRID LEAH DOMBROWER M.D.
Psychiatry & Neurology (Psychiatry)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-2871
ELAINE WITTERT MSW
Social Worker (Clinical)
8700 BEVERLY BLVD, SUITE AC1002
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3119
DR. KENAN MOHAMMED NADAR D.O.
Pediatrics
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-4451
HAE YOON GRACE CHOUNG MD
Pathology (Anatomic Pathology & Clinical Pathology)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-6623
CASEY DISTASO MD
Emergency Medicine
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-8780
CHIARA CASAS NP
Nurse Practitioner (Pediatrics)
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-3277
AUSTIN WU MD
Anesthesiology
8700 BEVERLY BLVD
WEST HOLLYWOOD, CA 90048
Los Angeles County (310) 423-5841

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 Louie Cao's NPI number?

The NPI number for Louie Cao is 1306425525. It was assigned to this individual provider in the NPPES registry on April 5, 2021.

Where is Louie Cao located?

Louie Cao practices at 8700 Beverly Blvd, West Hollywood, CA 90048. The listed phone number is (310) 423-6325.

What is Louie Cao's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Louie Cao enrolled in Medicare?

Yes. Louie Cao is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Louie Cao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Louie Cao reassigns Medicare benefits to 2 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA) and Cedars-Sinai Medical Center (Los Angeles, CA). Each 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 Louie Cao'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 Louie Cao was last updated on July 3, 2024. 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.