Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.

Heidi Williams

Individual provider Mental Health Counselor · NPI 1578475752

Heidi Williams is a Mental Health Counselor in Marshalltown, Iowa. Licensed in Iowa. Registered with an NPI since 2026.

Licensed in
IA
In the registry since
2026

Practice location Address checks out

9 N 4th Ave
Marshalltown, IA 50158-1836
Phone: (641) 751-3581
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence 140847 (IA)

Record details

NPI number1578475752
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedSeptember 21, 2026
Last updated in NPPESSeptember 21, 2026
Certification dateSeptember 21, 2026

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