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

Dr. Andrea Marie Leitheiser, MA, PHD

Individual provider Cognitive & Behavioral Psychologist · NPI 1477964567

Dr. Andrea Marie Leitheiser, MA, PHD is a Cognitive & Behavioral Psychologist in Dededo, Guam. Practices as a sole proprietor. Licensed in Alabama, Guam and New Mexico.

Licensed in
AL, GU, NM
In the registry since
2014
Specialties on file
3
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address may be wrong

The ZIP code does not match the city and state on this record. Call before visiting.

674 Harmon Loop Rd Ste 214
Dededo, GU 96929-6535
Phone: (671) 487-7747

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence CP000026 (GU)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 001257 (AL)
Clinical Psychologist Taxonomy 103TC0700X · Licence 0942 (NM)

Record details

NPI number1477964567
Entity typeIndividual (Type 1)
GenderFemale
Credentials MA , PHD
Sole proprietorYes
NPI enumeratedMay 12, 2014
Last updated in NPPESMay 12, 2014
Mailing addressPo Box 217922, Barrigada, GU 96921-6957