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

Aaron Nellessen

Individual provider Mental Health Counselor · NPI 1598627176

Aaron Nellessen is a Mental Health Counselor in Roscoe, Illinois. Registered with an NPI since 2025.

In the registry since
2025

Practice location Address checks out

11361 Main St
Roscoe, IL 61073-8851
Phone: (815) 270-0168
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1598627176
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedDecember 2, 2025
Last updated in NPPESDecember 2, 2025
Certification dateDecember 2, 2025
Mailing address3443 Schalck Dr, Rockford, IL 61103-1947

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