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

Dr. Michael Thomas Greelis, PHD

Individual provider Professional Counselor · NPI 1356525661

Dr. Michael Thomas Greelis, PHD is a Professional Counselor in Herndon, Virginia. Practices as a sole proprietor. Licensed in Virginia.

Licensed in
VA
In the registry since
2007
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

487 Carlisle Dr Ste B
Herndon, VA 20170-4899
Phone: (703) 435-7251
Fax: (703) 773-6917
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Professional Counselor (primary) Taxonomy 101YP2500X · Licence 0701002348 (VA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence 0717000330 (VA)

Record details

NPI number1356525661
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedDecember 21, 2007
Last updated in NPPESOctober 6, 2014

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