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

Larissa M Ackerson, DO

Individual provider Family Medicine Physician · NPI 1255666020

Larissa M Ackerson, DO is a Family Medicine Physician in Ames, Iowa. Licensed in Iowa. Registered with an NPI since 2009.

Licensed in
IA
In the registry since
2009
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.

See every abbreviation used in this directory →

Practice location Address checks out

Isu Thielen Student Health Center 2647 Union Dr
Ames, IA 50011
Phone: (515) 294-5801
Fax: (515) 294-1190
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 04259 (IA)

Record details

NPI number1255666020
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedOctober 12, 2009
Last updated in NPPESJuly 27, 2018

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