MRS. LOIS LIN CHEN MS, CCC-SLP
NPI 1831680982
Speech-Language Pathologist in San Francisco, CA

Q: What is Lois Chen's NPI number?

The NPI number for Lois Chen is 1831680982. It was assigned to this individual provider in the NPPES registry on May 24, 2018.

Q: What is Lois Chen's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Lois Chen was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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.

Active since May 24, 2018Accepts Medicare Assignment

2340 CLAY ST FL 5, SAN FRANCISCO, CA 94115(415) 600-0151(415) 366-7559 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

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About Mrs. Lois Lin Chen Ms, Ccc-slp NPPES

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

MRS. LOIS LIN CHEN MS, CCC-SLP (NPI 1831680982) is an individual speech-language pathologist provider in San Francisco, California, licensed in California (24460) and active in the NPI registry since May 2018. She is a graduate of Other (2015).

NPPES Registry Identity

NPI1831680982

Entity TypeIndividualFemale

Primary Taxonomy235Z00000X

Provider Legal NameMRS. LOIS LIN CHENCredential: MS, CCC-SLP

Location Address2340 CLAY ST FL 5San Francisco, CA 94115-1932

Mailing AddressPo Box 276950Sacramento, CA 95827-6950 · (415) 600-0151 · Fax (415) 366-7559

Phone(415) 600-0151

Fax(415) 366-7559

Sole ProprietorNo

Medical School CMSOtherGraduated 2015

Enumeration DateMay 24, 2018

Last NPPES UpdateAugust 25, 2025

NPPES CertifiedAugust 25, 2025

✔ NPI 1831680982 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 · 24460

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.

2340 CLAY ST FL 5, San Francisco, CA 94115

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Mrs. Lois Lin Chen Ms, Ccc-slp is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID9133647555

PECOS Enrollment IDI20250519002662

Other Providers at the Same Location NPPES 6

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

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