Individual Healthcare Provider
Andrea Marie Leitheiser, MA, PHD
Provider's NPPES record last updated: May 12, 2014
Overview
- Entity Type
- Individual Healthcare Provider
- NPI
- 1477964567
- Primary Specialty
- Psychologist — Clinical
- Practice Location
- Dededo, Guam
- Sole Proprietor
- Yes
Federal Screening
NPISignal checked this NPI against federal exclusion sources. Results below are based on the NPI number itself — an identifier match, not a name match.
List of Excluded Individuals/Entities (LEIE)
HHS Office of Inspector General
No potential match was identified in NPISignal's indexed List of Excluded Individuals/Entities (LEIE) records as of 2026-09-10.
- Source data
- September 10, 2026
- Records indexed
- 84,001
- Screened
- Sep 17, 2026, 11:44 PM UTC
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
SAM.gov Exclusions
U.S. General Services Administration
SAM.gov Exclusions was not checked.
SAM.gov screening is not configured on this deployment. No SAM check has been performed.
- Screened
- Not checked
This is an NPI-based check only. NPISignal does not publish name-based exclusion matches on a provider profile. A shared or similar name is a lead that requires human review, not an identification, and this page is not the place to make one. Run a name-based screening below to see potential matches with the reasons for each.
This reflects only the records NPISignal currently holds and the identity information supplied. It is not a verification of eligibility, licensure, or compliance. Verify decisions that matter against the authoritative source.
Searches OIG LEIE and SAM.gov by name and reviews every potential match.
Specialties & Taxonomies
- Primary
Psychologist
Clinical
Behavioral Health & Social Service Providers
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
Taxonomy code 103TC0700X Psychologist
Cognitive & Behavioral
Behavioral Health & Social Service Providers
A psychologist who reflects an experimental-clinical approach distinguished by use of principles of human learning and development and theories of cognitive processing to promote meaningful change in maladaptive human behavior and thinking.
Taxonomy code 103TB0200X
Provider-Reported License Information
- Psychologist (Guam)
- CP000026
- Psychologist (Alabama)
- 001257
- Psychologist (New Mexico)
- 0942
Practice Locations
Practice Location
674 Harmon Loop Rd Ste 214
Dededo, Guam 96929-6535
Phone: (671) 487-7747
Record Information
- Enumeration Date
- May 12, 2014
- Provider's NPPES Record Last Updated
- May 12, 2014
- NPISignal NPPES Dataset
- August 2026
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