Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Katherine E Duffy-Sherr

Individual provider Speech-Language Pathologist · NPI 1417893975

Katherine E Duffy-Sherr is a Speech-Language Pathologist in Antioch, California. Licensed in California. Registered with an NPI since 2026.

Licensed in
CA
In the registry since
2026

Practice location Address checks out

4207B Delta Fair Blvd
Antioch, CA 94509-3944
Phone: (925) 777-2000
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X · Licence 20014 (CA)

Record details

NPI number1417893975
Entity typeIndividual (Type 1)
GenderNot disclosed
Sole proprietorNo
NPI enumeratedApril 27, 2026
Last updated in NPPESApril 27, 2026
Certification dateApril 27, 2026
Mailing address77 Santa Barbara Rd, Pleasant Hill, CA 94523-4201

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