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

Clay F Hallberg, DO

Individual provider Family Medicine Physician · NPI 1811975691

Clay F Hallberg, DO is a Family Medicine Physician in Oelwein, 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.

See every abbreviation used in this directory →

Practice location Address checks out

204 8th Ave SE
Oelwein, IA 50662-2448
Phone: (319) 283-2651
Fax: (319) 283-1430
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 02321 (IA)

Record details

NPI number1811975691
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedJanuary 3, 2006
Last updated in NPPESOctober 22, 2007
Mailing address204 8th Ave Se, Oelwein, IA 50662-2448

Other providers in Oelwein