LIANA J GUO M.S.
NPI 1851783146
Speech-Language Pathologist in Los Angeles, CA

Active since February 24, 2015
4867 W SUNSET BLVD, LOS ANGELES, CA 90027(323) 783-4011 Get Directions Write a Review

NPPES record last updated: November 29, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Nov 29, 2021, Aug 23, 2018 (2 updates tracked since 2018).

About Liana J Guo M.s. NPPES

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

LIANA J GUO M.S. (NPI 1851783146) is an individual speech-language pathologist provider in Los Angeles, California, licensed in California (23413) and active in the NPI registry since February 2015. She maintains a secondary practice location in Los Angeles.

NPPES Registry Identity

NPI1851783146
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameLIANA J GUOCredential: M.S.
Location Address4867 W SUNSET BLVDLos Angeles, CA 90027-5969
Mailing Address1526 N Edgemont St Fl 4Los Angeles, CA 90027-5260 · (323) 783-5402
Sole ProprietorNo
Enumeration DateFebruary 24, 2015
Last NPPES UpdateNovember 29, 20212 updates tracked since enumeration
✔ NPI 1851783146 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in CA · 23413
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
4867 W SUNSET BLVD, Los Angeles, CA 90027

Secondary Practice Location 1

Location 11526 N Edgemont St Fl 4Los Angeles, CA 90027-5260 · Phone (323) 783-4011

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Liana J Guo M.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Liana Guo reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Health Maintenance Organization
4760 W SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • 13,921 clinicians in this Medicare group

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

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.

Nurse Practitioner (Gerontology)
4867 W SUNSET BLVD, 6TH FLOOR - INTENSIVE CARE UNIT
LOS ANGELES, CA 90027
Respiratory Therapist, Certified
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Internal Medicine (Nephrology)
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Nurse Anesthetist, Certified Registered
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Pharmacist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Speech-Language Pathologist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Pharmacist
4867 W SUNSET BLVD
LOS ANGELES, CA 90027
Respiratory Therapist, Registered
4867 W SUNSET BLVD
LOS ANGELES, CA 90027

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 Liana Guo's NPI number?

The NPI number for Liana Guo is 1851783146. It was assigned to this individual provider in the NPPES registry on February 24, 2015.

Where is Liana Guo located?

Liana Guo practices at 4867 W Sunset Blvd, Los Angeles, CA 90027. The listed phone number is (323) 783-4011.

What is Liana Guo's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Liana Guo enrolled in Medicare?

Yes. Liana Guo is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Liana Guo's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Liana Guo reassigns Medicare benefits to Southern California Permanente Medical Group (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 Liana Guo'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 Liana Guo was last updated on November 29, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.