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

Dr. Nicholas Mark Messamer, MD

Individual provider Family Medicine Physician · NPI 1649264276

Dr. Nicholas Mark Messamer, MD is a Family Medicine Physician in Oskaloosa, Iowa. Licensed in Iowa. Registered with an NPI since 2005.

Licensed in
IA
In the registry since
2005
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

410 N 12th St
Oskaloosa, IA 52577-2495
Phone: (641) 672-3360
Fax: (641) 672-3366
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 27198 (IA)

Record details

NPI number1649264276
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 9, 2005
Last updated in NPPESDecember 5, 2012
Mailing address410 N 12th St, Oskaloosa, IA 52577-2495

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