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

Ronald William Graeff, MD

Individual provider Allergy & Immunology Physician · NPI 1730172339

Ronald William Graeff, MD is an Allergy & Immunology Physician in Oskaloosa, Iowa. Practices as a sole proprietor. Licensed in Iowa.

Licensed in
IA
In the registry since
2005
Specialties on file
2
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 Ste 100 Mahaska Health Partnership
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

Allergy & Immunology Physician (primary) Taxonomy 207K00000X · Licence 30479 (IA)
Pediatric Pulmonology Physician Taxonomy 2080P0214X · Licence 30479 (IA)

Record details

NPI number1730172339
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 30, 2005
Last updated in NPPESDecember 24, 2012
Mailing address410 N 12th St Ste 100, Mahaska Health Partnership, Oskaloosa, IA 52577-2495