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

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.

See every abbreviation used in this directory →

Practice location Address checks out

487 Carlisle Dr Ste B
Herndon, VA 20170-4899
Phone: (703) 435-7251
Fax: (703) 773-6917
Show map & directions

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
Mailing address487 Carlisle Dr Ste B, Herndon, VA 20170-4899

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