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

Individual provider Clinical Psychologist · NPI 1780869149

Dr. Tilmer O. Engebretson, PHD is a Clinical Psychologist in Mc Lean, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2008
Specialties on file
3
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

7927 Jones Branch Dr Ste #6125
Mc Lean, VA 22102-3322
Phone: (571) 633-0600
Fax: (703) 992-0993
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence 0810003165 (VA)
Health Psychologist Taxonomy 103TH0004X · Licence 0810003165 (VA)
Cognitive & Behavioral Psychologist Taxonomy 103TB0200X · Licence 0810003165 (VA)

Record details

NPI number1780869149
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 4, 2008
Last updated in NPPESJanuary 21, 2015

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