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

William Koscielny

Individual provider Mental Health Counselor · NPI 1124354741

William Koscielny is a Mental Health Counselor in Aurora, Colorado. Registered with an NPI since 2009.

In the registry since
2009

Practice location Address checks out

11059 E Bethany Dr Ste 200
Aurora, CO 80014-2637
Phone: (303) 617-2300
Fax: (303) 617-2397
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 number1124354741
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 2, 2009
Last updated in NPPESNovember 2, 2009
Mailing address11059 E Bethany Dr Ste 200, Aurora, CO 80014-2637

Other providers in Aurora