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

Dr. William Jeffrey Lotak, PSYD

Individual provider Psychologist · NPI 1639237902

Dr. William Jeffrey Lotak, PSYD is a Psychologist in Munster, Indiana. Practices as a sole proprietor. Licensed in Indiana.

Licensed in
IN
In the registry since
2006
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

See every abbreviation used in this directory →

Practice location Address checks out

32 Ridge Rd
Munster, IN 46321-1518
Phone: (219) 836-8806
Fax: (219) 922-9299
Show map & directions

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

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 20041350A (IN)

Record details

NPI number1639237902
Entity typeIndividual (Type 1)
GenderMale
Credentials PSYD
Sole proprietorYes
NPI enumeratedDecember 5, 2006
Last updated in NPPESJuly 9, 2007

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