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

Dr. John Joseph Hartmann, DO

Individual provider Specialist · NPI 1154394989

Dr. John Joseph Hartmann, DO is a Specialist in Dubuque, 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.

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Practice location Address checks out

1500 Delhi St Ste 4100
Dubuque, IA 52001-6358
Phone: (563) 557-5900
Fax: (563) 557-5905
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence 01794 (IA)

Record details

NPI number1154394989
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedFebruary 10, 2006
Last updated in NPPESMay 26, 2010

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