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

Mark B Steffen, MD

Individual provider Critical Care Medicine (Anesthesiology) Physician · NPI 1326009556

Mark B Steffen, MD is a Critical Care Medicine (Anesthesiology) Physician in Great Bend, Kansas. Practices as a sole proprietor. Licensed in Kansas.

Licensed in
KS
In the registry since
2006
Specialties on file
3
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

514 Cleveland St
Great Bend, KS 67530-3562
Phone: (620) 791-6215
Show map & directions

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

Specialties & licences

Pain Medicine (Anesthesiology) Physician (primary) Taxonomy 207LP2900X · Licence 04-25638 (KS)
Critical Care Medicine (Anesthesiology) Physician Taxonomy 207LC0200X · Licence 04-25638 (KS)
Anesthesiology Physician Taxonomy 207L00000X · Licence 04-25638 (KS)

Record details

NPI number1326009556
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMarch 29, 2006
Last updated in NPPESMarch 31, 2021
Certification dateMarch 31, 2021