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

Dubuque Internal Medicine PC

Organization Internal Medicine Physician · NPI 1568427524

Dubuque Internal Medicine PC is an Internal Medicine Physician in Dubuque, Iowa. Registered with an NPI since 2006.

In the registry since
2006
Specialties on file
9
What do these letters mean?
PC — Professional corporation
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1515 Delhi St Ste 100
Dubuque, IA 52001-6389
Phone: (563) 557-9111
Fax: (563) 589-4063
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X
Cardiovascular Disease Physician Taxonomy 207RC0000X
Endocrinology, Diabetes & Metabolism Physician Taxonomy 207RE0101X
Gastroenterology Physician Taxonomy 207RG0100X
Hematology & Oncology Physician Taxonomy 207RH0003X
Interventional Cardiology Physician Taxonomy 207RI0011X
Infectious Disease Physician Taxonomy 207RI0200X
Pulmonary Disease Physician Taxonomy 207RP1001X
Hospitalist Physician Taxonomy 208M00000X

Record details

NPI number1568427524
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Justin Hafner — Chief Executive Officer · (563) 557-9111
Other names Grand River Medical Group, Pc; Grand River Medical Group, Pc
NPI enumeratedApril 20, 2006
Last updated in NPPESNovember 6, 2019
Mailing address1515 Delhi St, Ste 100, Dubuque, IA 52001-6389

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