Dubuque Internal Medicine PC
NPI 1568427524 · Internal Medicine Physician · Dubuque, IA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Dubuque Internal Medicine PC is a Internal Medicine Physician organization in Dubuque, IA (NPI 1568427524).
Provider details
- NPI number
- 1568427524
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Justin Hafner, Chief Executive Officer(563) 557-9111
Specialties & taxonomies
Allopathic & Osteopathic Physicians
- Hospitalist Physician208M00000X
Allopathic & Osteopathic Physicians
- Cardiovascular Disease Physician207RC0000X
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
- Gastroenterology Physician207RG0100X
Allopathic & Osteopathic Physicians
- Hematology & Oncology Physician207RH0003X
Allopathic & Osteopathic Physicians
- Interventional Cardiology Physician207RI0011X
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Other names (DBA / former)
- Doing business as
- Grand River Medical Group, PC
- Doing business as
- Grand River Medical Group, PC
Registry dates
- Enumerated
- 2006-04-20
- Last updated
- 2019-11-06
Frequently asked questions
- What is Dubuque Internal Medicine PC's NPI number?
- Dubuque Internal Medicine PC's National Provider Identifier (NPI) is 1568427524, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Dubuque Internal Medicine PC?
- Dubuque Internal Medicine PC is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Dubuque Internal Medicine PC located?
- Dubuque Internal Medicine PC's practice location on file with NPPES is 1515 Delhi St, Dubuque, IA 52001-6389.
- What is Dubuque Internal Medicine PC's phone number?
- The practice phone number listed in the NPPES registry for Dubuque Internal Medicine PC is (563) 557-9111.
- Does Dubuque Internal Medicine PC accept Medicare?
- Dubuque Internal Medicine PC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Dubuque Internal Medicine PC?
- The authorized official listed on Dubuque Internal Medicine PC's NPPES record is Justin Hafner, Chief Executive Officer. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Dubuque Internal Medicine PC's NPI active?
- Yes — Dubuque Internal Medicine PC's NPI (1568427524) is active in the NPPES registry as of the last update on 2019-11-06.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.