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

Mr. William John Peck

Individual provider Clinical Social Worker · NPI 1093884132

Mr. William John Peck is a Clinical Social Worker in Newhall, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006

Practice location Address checks out

25915 San Clemente Dr
Newhall, CA 91321-2177
Phone: (661) 252-1734
Show map & directions

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

Specialties & licences

Clinical Social Worker (primary) Taxonomy 1041C0700X · Licence LCS 12801 (CA)

Record details

NPI number1093884132
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedNovember 6, 2006
Last updated in NPPESJuly 8, 2007
Mailing address25915 San Clemente Dr, Newhall, CA 91321-2177

Other providers in Newhall