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

Mark Stewart Calkins, MD

Individual provider Orthopaedic Surgery Physician · NPI 1770516353

Mark Stewart Calkins, MD is an Orthopaedic Surgery Physician in Fort Madison, Iowa. Licensed in Florida and Iowa. Registered with an NPI since 2006.

Licensed in
FL, IA
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

5409 Avenue O
Fort Madison, IA 52627-9601
Phone: (319) 376-2134
Fax: (319) 376-2188
Show map & directions

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

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 39197 (IA)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence ME39537 (FL)

Record details

NPI number1770516353
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 8, 2006
Last updated in NPPESMay 19, 2015

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