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

William L Haak, MHPP

Individual provider Case Manager/Care Coordinator · NPI 1750400651

William L Haak, MHPP is a Case Manager/Care Coordinator in Springdale, Arizona. Registered with an NPI since 2007.

In the registry since
2007

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

4960 Springhouse Dr
Springdale, AZ 72762
Phone: (479) 750-2020
Fax: (479) 872-2441
Show map & directions

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

Specialties & licences

Case Manager/Care Coordinator (primary) Taxonomy 171M00000X

Record details

NPI number1750400651
Entity typeIndividual (Type 1)
GenderMale
Credentials MHPP
Sole proprietorNo
NPI enumeratedMarch 29, 2007
Last updated in NPPESJuly 8, 2007
Mailing address2400 S 48th St, Springdale, AR 72762-6683