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

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