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Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MRS. MATHILDA LYNN SILVERSTEIN CF-SLP
NPI 1467377549
Speech-Language Pathologist in San Francisco, CA

Active since August 10, 2026
680 18TH AVE, SAN FRANCISCO, CA 94121(415) 750-8460 Get Directions Write a Review

NPPES record added: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mrs. Mathilda Lynn Silverstein Cf-slp NPPES

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

MRS. MATHILDA LYNN SILVERSTEIN CF-SLP (NPI 1467377549) is an individual speech-language pathologist provider in San Francisco, California and active in the NPI registry since August 2026.

NPPES Registry Identity

NPI1467377549
Entity TypeIndividualFemale
Primary Taxonomy235Z00000X
Provider Legal NameMRS. MATHILDA LYNN SILVERSTEINCredential: CF-SLP
Location Address680 18TH AVESan Francisco, CA 94121-3823
Mailing Address2734 Anza StSan Francisco, CA 94121-3125 · (971) 336-9110
Phone(415) 750-8460
Sole ProprietorNo
Enumeration DateAugust 10, 2026
NPPES CertifiedAugust 10, 2026
✔ NPI 1467377549 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
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.
680 18TH AVE, San Francisco, CA 94121
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Other Providers at the Same Location NPPES 2

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

LINDSEY KATELYNN REICHMAN MSW, PPS-SP
Psychologist (School)
680 18TH AVE
SAN FRANCISCO, CA 94121
San Francisco County (415) 750-8460
MICHELLE DOCKERY CCC-SLP
Speech-Language Pathologist
680 18TH AVE
SAN FRANCISCO, CA 94121
San Francisco County (415) 750-8460

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 Mathilda Silverstein's NPI number?

The NPI number for Mathilda Silverstein is 1467377549. It was assigned to this individual provider in the NPPES registry on August 10, 2026.

Where is Mathilda Silverstein located?

Mathilda Silverstein practices at 680 18th Ave, San Francisco, CA 94121. The listed phone number is (415) 750-8460.

What is Mathilda Silverstein's specialty?

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

When was this NPI record last updated?

The NPPES record for Mathilda Silverstein was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.