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

Dr. Gregory Alan Holt, PHD, DABSM

Individual provider Sleep Specialist (PhD) · NPI 1356878672

Dr. Gregory Alan Holt, PHD, DABSM is a Sleep Specialist (PhD) in Stafford, Texas. Practices as a sole proprietor. Licensed in Florida.

Licensed in
FL
In the registry since
2017
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

12830 Murphy Rd
Stafford, TX 77477-3902
Phone: (713) 349-9008
Fax: (713) 218-0774
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Sleep Specialist (PhD) (primary) Taxonomy 173F00000X
Sleep Specialist (PhD) Taxonomy 173F00000X (FL)

Record details

NPI number1356878672
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD , DABSM
Sole proprietorYes
NPI enumeratedMay 17, 2017
Last updated in NPPESJuly 25, 2023
Certification dateJuly 25, 2023