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

Mark E. Gregory, MD

Individual provider Emergency Medicine Physician · NPI 1659346963

Mark E. Gregory, MD is an Emergency Medicine Physician in Guthrie, Oklahoma. Licensed in Oklahoma. Registered with an NPI since 2006.

Licensed in
OK
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

200 S Academy Rd
Guthrie, OK 73044-8727
Phone: (405) 282-5125
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence 16492 (OK)

Record details

NPI number1659346963
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 21, 2006
Last updated in NPPESMay 20, 2014
Mailing address4401 W Memorial Rd, Suite 140, Oklahoma City, OK 73134-1785