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

Mary Katherine Heyer

Individual provider Speech-Language Pathologist · NPI 1255258463

Mary Katherine Heyer is a Speech-Language Pathologist in Los Angeles, California. Practices as a sole proprietor. Licensed in Pennsylvania.

Licensed in
PA
In the registry since
2026

Practice location Address checks out

633 W 5th St Ofc 2876B
Los Angeles, CA 90071-2005
Phone: (512) 377-6318
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 SL016496 (PA)

Record details

NPI number1255258463
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorYes
NPI enumeratedJune 30, 2026
Last updated in NPPESJune 30, 2026
Certification dateJune 30, 2026

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