1. Home
  2. Directory
  3. Iowa
  4. Dubuque
  5. Internal Medicine
  6. NPI Profile

GRAND RIVER MEDICAL GROUP, PC
NPI 1568427524
Internal Medicine in Dubuque, IA

Active since April 20, 2006CLIA 16D0386103 · Waiver
1515 DELHI ST, STE 100, DUBUQUE, IA 52001(563) 557-9111(563) 589-4063 Get Directions Write a Review

NPPES record last updated: November 6, 2019. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Grand River Medical Group, Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GRAND RIVER MEDICAL GROUP, PC (NPI 1568427524) is a healthcare organization registered as an internal medicine in Dubuque, Iowa and active in the NPI registry since April 2006. The organization holds a CLIA Waiver certificate valid through May 3, 2027 and lists Justin Hafner, Chief Executive Officer, as its authorized official.

NPPES Registry Identity

NPI1568427524
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDUBUQUE INTERNAL MEDICINE PC
Location Address1515 DELHI ST, STE 100Dubuque, IA 52001-6389
Mailing Address1515 Delhi St, Ste 100Dubuque, IA 52001-6389 · (563) 557-9111 · Fax (563) 589-4063
Phone(563) 557-9111
Fax(563) 589-4063
Organization SubpartNo
Authorized OfficialJustin HafnerChief Executive Officer · (563) 557-9111
Enumeration DateApril 20, 2006
Last NPPES UpdateNovember 6, 2019
✔ NPI 1568427524 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 9

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition

A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X
Also ListedInternal Medicine · Endocrinology, Diabetes & MetabolismTaxonomy 207RE0101X
Also ListedInternal Medicine · GastroenterologyTaxonomy 207RG0100X
Also ListedInternal Medicine · Hematology & OncologyTaxonomy 207RH0003X
Also ListedInternal Medicine · Interventional CardiologyTaxonomy 207RI0011X
Also ListedInternal Medicine · Infectious DiseaseTaxonomy 207RI0200X
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X
Also ListedHospitalistTaxonomy 208M00000X
1515 DELHI ST, Dubuque, IA 52001
Open in Google Maps ↗

Other Names 1

Doing Business AsGrand River Medical Group, Pc

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Home State Health, Ambetter from NH Healthy Families, Ambetter from Sunflower Health Plan and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 16D0386103

Unitypoint Clinic Multi-Specialty-Dubuque · Dubuque, IA
Active · expires May 3, 2027
CLIA Number16D0386103
Laboratory TypeCommunity Clinic
Certificate Effective DateMay 4, 2025
Certificate Expiration DateMay 3, 2027
Laboratory DirectorDr. Andrew D. Vanderheyden
Laboratory Phone(563) 557-9111
Laboratory LocationUnitypoint Clinic Multi-Specialty-Dubuque1515 Delhi Street, Suite 100, Dubuque, IA 52001
CLIA data matches this NPI record on: Address Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

REGAN A WOLBERS MD
Family Medicine
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
PHILIP J. LEESON M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
RICHARD JOHN FAIRLEY M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
JOHN PHILLIP VINER M.D.
Internal Medicine (Infectious Disease)
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
GARRETT V. RIDGLEY JR. M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
CHARLES A LONGO M.D.
Internal Medicine (Cardiovascular Disease)
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
DUBUQUE ENDOSCOPY CENTER LC
Clinic/Center (Ambulatory Surgical)
1515 DELHI ST, STE 500
DUBUQUE, IA 52001
Dubuque County (563) 589-4060
JULIE A. RAMBOUSEK ARNP
Nurse Practitioner (Adult Health)
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Dubuque Internal Medicine PC's NPI number?

The NPI number for Dubuque Internal Medicine PC is 1568427524. It was assigned to this organization in the NPPES registry on April 20, 2006. The provider is doing business as Grand River Medical Group, PC.

Where is Dubuque Internal Medicine PC located?

Dubuque Internal Medicine PC is located at 1515 Delhi St Ste 100, Dubuque, IA 52001. The listed phone number is (563) 557-9111.

What is Dubuque Internal Medicine PC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Does Dubuque Internal Medicine PC hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 16D0386103) is associated with this NPI, valid through May 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does Dubuque Internal Medicine PC accept?

Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Home State Health, Ambetter from NH Healthy Families and Ambetter from Sunflower Health Plan list Dubuque Internal Medicine PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Dubuque Internal Medicine PC was last updated on November 6, 2019. NPI Profile syncs with the weekly NPPES data releases published by CMS.