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

Mr. William Fredrick Walker, LISW

Individual provider Social Worker · NPI 1689776536

Mr. William Fredrick Walker, LISW is a Clinical Social Worker in Des Moines, Iowa. Qualified in 2004, 22 years ago. Practices as a sole proprietor and accepts Medicare assignment.

Years since qualifying
22
In the registry since
2006
What do these letters mean?
LISW — Licensed Independent Social Worker
A social worker licensed to practise independently.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

2501 Grand Ave
Des Moines, IA 50312-5342
Phone: (515) 808-2900
Fax: (515) 462-0504
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Social Worker (primary) Taxonomy 104100000X

Record details

NPI number1689776536
Entity typeIndividual (Type 1)
GenderMale
Credentials LISW
Sole proprietorYes
NPI enumeratedSeptember 2, 2006
Last updated in NPPESOctober 8, 2021
Certification dateOctober 8, 2021
Mailing address2501 Grand Ave, Des Moines, IA 50312-5342

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL SOCIAL WORKER
Medical schoolOTHER
Graduated 2004 (22 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Des Moines