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

Brian D Masonholder, DO

Individual provider Family Medicine Physician · NPI 1851333942

Brian D Masonholder, DO is a Family Medicine Physician in Columbus Junction, Iowa. Licensed in Iowa. Registered with an NPI since 2006.

Licensed in
IA
In the registry since
2006
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

109 E Walnut St
Columbus Junction, IA 52738-1014
Phone: (319) 728-2429
Fax: (319) 728-7600
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 01809 (IA)

Record details

NPI number1851333942
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESFebruary 28, 2017
Mailing addressPo Box 2027, Iowa City, IA 52244-2027

Other providers in Columbus Junction