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

Dr. Gregory Markway, PHD

Individual provider Psychologist · NPI 1255373148

Dr. Gregory Markway, PHD is a Psychologist in Jefferson City, Missouri. Licensed in Missouri. Registered with an NPI since 2006.

Licensed in
MO
In the registry since
2006
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

3702 W Truman Blvd Ste 115
Jefferson City, MO 65109-4970
Phone: (573) 634-5303
Fax: (573) 761-6888
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 01456 (MO)

Record details

NPI number1255373148
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESJuly 13, 2026
Mailing address123 Boonville Rd, Jefferson City, MO 65109-0903

Other providers in Jefferson City