DR. WILLIAM JEFFREY LOTAK PSY.D
NPI 1639237902
Psychologist in Munster, IN

Active since December 05, 2006
32 RIDGE RD, MUNSTER, IN 46321(219) 836-8806(219) 922-9299 Get Directions Write a Review

NPPES record last updated: July 9, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Jeffrey Lotak Psy.d NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM JEFFREY LOTAK PSY.D (NPI 1639237902) is an individual psychologist in Munster, Indiana, licensed in Indiana (20041350A) and active in the NPI registry since December 2006.

NPPES Registry Identity

NPI1639237902
Entity TypeIndividualMale
Primary Taxonomy103T00000X
Provider Legal NameDR. WILLIAM JEFFREY LOTAKCredential: PSY.D
Location Address32 RIDGE RDMunster, IN 46321-1518
Mailing Address10105 Wellington TerMunster, IN 46321-4373 · (219) 922-9299 · Fax (219) 922-1945
Fax(219) 922-9299
Sole ProprietorYes
Enumeration DateDecember 5, 2006
Last NPPES UpdateJuly 9, 2007
NPI 1639237902 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPsychologistBehavioral Health & Social Service Providers
Taxonomy Code103T00000X
License Licensed in IN · 20041350A
Definition
A psychologist is an individual who is licensed to practice psychology which is defined as the observation, description, evaluation, interpretation, and modification of human behavior by the application of psychological principles, methods, and procedures, for the purpose of preventing or eliminating symptomatic, maladaptive, or undesired behavior and of enhancing interpersonal relationships, work and life adjustment, personal effectiveness, behavioral health, and mental health. The practice of psychology includes, but is not limited to, psychological testing and the evaluation or assessment of personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning; counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy; diagnosis and treatment of mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability; and psycheducational evaluation, therapy, remediation, and consultation. Psychological services may be rendered to individuals, families, groups and the public.
32 RIDGE RD, Munster, IN 46321

Other Identifiers 2

Medicare UPINR25520IN
Medicare ID-Type Unspecified234050IN

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Social Worker
32 RIDGE RD
MUNSTER, IN 46321
Psychologist (Clinical)
32 RIDGE RD
MUNSTER, IN 46321
Marriage & Family Therapist
32 RIDGE RD
MUNSTER, IN 46321

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Lotak's NPI number?

The NPI number for William Lotak is 1639237902. It was assigned to this individual provider in the NPPES registry on December 5, 2006.

Where is William Lotak located?

William Lotak practices at 32 Ridge Rd, Munster, IN 46321. The listed phone number is (219) 836-8806.

What is William Lotak's specialty?

The primary specialty registered for this NPI is Psychologist with taxonomy code 103T00000X.

When was this NPI record last updated?

The NPPES record for William Lotak was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.