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

Katherine D Holtzman

Individual provider Speech-Language Pathologist · NPI 1124539911

Katherine D Holtzman is a Speech-Language Pathologist in Washington, District of Columbia. Registered with an NPI since 2017.

In the registry since
2017

Practice location Address checks out

412 1st St SE Lowr Level
Washington, DC 20003-1804
Phone: (202) 470-4185
Show map & directions

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

Specialties & licences

Speech-Language Pathologist (primary) Taxonomy 235Z00000X

Record details

NPI number1124539911
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedOctober 19, 2017
Last updated in NPPESJune 16, 2019

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