Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
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Dr. Thanh Tam Nguyen-Louie, PHD

Individual provider Psychologist · NPI 1659866390

Dr. Thanh Tam Nguyen-Louie, PHD is a Clinical Psychologist in Catonsville, Maryland. Qualified in 2018, 8 years ago. Practices as a sole proprietor. Licensed in Maryland.

Years since qualifying
8
Licensed in
MD
In the registry since
2018
Specialties on file
2
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

1009 Frederick Rd
Catonsville, MD 21228-5055
Phone: (443) 355-7572
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 06548 (MD)
Clinical Psychologist Taxonomy 103TC0700X · Licence 06548 (MD)

Record details

NPI number1659866390
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedJune 26, 2018
Last updated in NPPESJuly 15, 2026
Certification dateJuly 15, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2018 (8 years in practice)
Accepts Medicare assignment Not indicated

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