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

Gregory Sewell, MSCCC-SLP

Individual provider Speech-Language Pathologist · NPI 1598996845

Gregory Sewell, MSCCC-SLP is a Speech-Language Pathologist in Duarte, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009

Practice location Address checks out

531 Larkhall Ave
Duarte, CA 91010-1512
Phone: (626) 840-6139
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 SP 9462 (CA)

Record details

NPI number1598996845
Entity typeIndividual (Type 1)
GenderMale
Credentials MSCCC-SLP
Sole proprietorYes
NPI enumeratedAugust 5, 2009
Last updated in NPPESJanuary 19, 2015
Mailing address531 Larkhall Ave, Duarte, CA 91010-1512

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