Lois Chen, MS, CCC-SLP
NPI 1831680982 · Speech-Language Pathologist · San Francisco, CA
Enrolled with Medicare as Practitioner - Qualified Speech Language Pathologist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Lois Chen, MS, CCC-SLP is a Speech-Language Pathologist provider in San Francisco, CA (NPI 1831680982).
Provider details
- NPI number
- 1831680982
- Entity type
- Individual
- Primary specialty
- Speech-Language PathologistSpeech, Language and Hearing Service Providers
- Credential
- MS, CCC-SLP
- Sex
- Female
- Sole proprietor
- No
- License
- 24460 (CA)
Specialties & taxonomies
Speech, Language and Hearing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2018-05-24
- Last updated
- 2025-08-25
- Certified
- 2025-08-25
Frequently asked questions
- What is Lois Chen's NPI number?
- Lois Chen's National Provider Identifier (NPI) is 1831680982, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Lois Chen's specialty?
- Lois Chen is listed in the NPPES registry with a primary specialty of Speech-Language Pathologist (Speech, Language and Hearing Service Providers).
- Where is Lois Chen located?
- Lois Chen's practice location on file with NPPES is 2340 Clay St Fl 5, San Francisco, CA 94115-1932.
- What is Lois Chen's phone number?
- The practice phone number listed in the NPPES registry for Lois Chen is (415) 600-0151.
- Does Lois Chen accept Medicare?
- Lois Chen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Lois Chen's NPI active?
- Yes — Lois Chen's NPI (1831680982) is active in the NPPES registry as of the last update on 2025-08-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.