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

Zachary C Koester, DNP

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1174332720

Zachary C Koester, DNP is a Psychiatric/Mental Health Nurse Practitioner in Westmont, Illinois. Licensed in Illinois. Registered with an NPI since 2025.

Licensed in
IL
In the registry since
2025
What do these letters mean?
DNP — Doctor of Nursing Practice
The highest clinical degree in nursing.

See every abbreviation used in this directory →

Practice location Address checks out

750 Oakmont Ln
Westmont, IL 60559-5551
Phone: (877) 552-6672
Fax: (224) 306-1878
Show map & directions

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

Specialties & licences

Psychiatric/Mental Health Nurse Practitioner (primary) Taxonomy 363LP0808X · Licence 209.031255 (IL)

Record details

NPI number1174332720
Entity typeIndividual (Type 1)
GenderMale
Credentials DNP
Sole proprietorNo
NPI enumeratedJanuary 7, 2025
Last updated in NPPESJanuary 7, 2025
Certification dateJanuary 7, 2025

Other providers in Westmont