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

Mark R Collison, MD

Individual provider Internal Medicine Physician · NPI 1336256130

Mark R Collison, MD is an Internal Medicine Physician in Carroll, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
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

405 S Clark St Ste 230
Carroll, IA 51401-3065
Phone: (712) 794-2222
Fax: (712) 792-2124
Show map & directions

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

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 22966 (IA)

Record details

NPI number1336256130
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 25, 2006
Last updated in NPPESJuly 2, 2013
Mailing address105 E 13th St, Carroll, IA 51401-2013

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