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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

DR. JAMES JOSEPH VOELKER M.D.
NPI 1063418069
Urology in Dubuque, IA

Active since June 23, 2005
1500 DELHI ST, STE 4300, DUBUQUE, IA 52001(563) 557-5971(563) 557-5973 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. James Joseph Voelker M.d. NPPES

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

DR. JAMES JOSEPH VOELKER M.D. (NPI 1063418069) is an individual urology provider in Dubuque, Iowa, licensed in Iowa (20549) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1063418069
Entity TypeIndividualMale
Primary Taxonomy208800000X
Provider Legal NameDR. JAMES JOSEPH VOELKERCredential: M.D.
Location Address1500 DELHI ST, STE 4300Dubuque, IA 52001-6319
Mailing Address1500 Delhi St, Ste 4300Dubuque, IA 52001-6319 · (563) 557-5971 · Fax (563) 557-5973
Phone(563) 557-5971
Fax(563) 557-5973
Sole ProprietorNo
Enumeration DateJune 23, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1063418069 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyUrologyAllopathic & Osteopathic Physicians
Taxonomy Code208800000X
License✔ Licensed in IA · 20549
Definition
A urologist manages benign and malignant medical and surgical disorders of the genitourinary system and the adrenal gland. This specialist has comprehensive knowledge of and skills in endoscopic, percutaneous and open surgery of congenital and acquired conditions of the urinary and reproductive systems and their contiguous structures.
1500 DELHI ST, Dubuque, IA 52001
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Other Identifiers 2

Medicaid0150060IA
Medicaid0150946IA

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.

DR. MICHAEL ARNZ D.P.M.
Podiatrist (Foot & Ankle Surgery)
1500 DELHI ST, STE 2200
DUBUQUE, IA 52001
Dubuque County (563) 557-5930
DR. ALEX M HORCHAK M.D.
Urology
1500 DELHI ST, SUITE 4300
DUBUQUE, IA 52001
Dubuque County (563) 557-5971
DR. ROBERT S KELSEY D.P.M.
Podiatrist (Foot & Ankle Surgery)
1500 DELHI ST, STE 2200
DUBUQUE, IA 52001
Dubuque County (563) 557-5930
DUBUQUE PEDIATRICS PC
Pediatrics
1500 DELHI ST, SUITE 3500
DUBUQUE, IA 52001
Dubuque County (563) 557-5911
DR. MICHAEL W WARD D.P.M.
Podiatrist (Foot & Ankle Surgery)
1500 DELHI ST, STE 2200
DUBUQUE, IA 52001
Dubuque County (563) 557-5930
DAVID E KRAGENBRINK MD
Pediatrics
1500 DELHI ST, SUITE 3500
DUBUQUE, IA 52001
Dubuque County (563) 557-5911
STEPHEN EUGENE PIEROTTI M.D.
Orthopaedic Surgery
1500 DELHI ST, STE 4200
DUBUQUE, IA 52001
Dubuque County (563) 557-5999
TERESA ECKHART M.D.
Obstetrics & Gynecology
1500 DELHI ST, SUITE 3100
DUBUQUE, IA 52001
Dubuque County (563) 557-5959

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 James Voelker's NPI number?

The NPI number for James Voelker is 1063418069. It was assigned to this individual provider in the NPPES registry on June 23, 2005.

Where is James Voelker located?

James Voelker practices at 1500 Delhi St Ste 4300, Dubuque, IA 52001. The listed phone number is (563) 557-5971.

What is James Voelker's specialty?

The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.

When was this NPI record last updated?

The NPPES record for James Voelker was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.