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IAN M. KOONTZ M.D.
NPI 1205805199
Internal Medicine in Dubuque, IA

Active since March 14, 2006
1515 DELHI ST, STE 100, DUBUQUE, IA 52001(563) 557-9111(563) 589-4046 Get Directions Write a Review

NPPES record last updated: April 6, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 6, 2021, Sep 3, 2019 (2 updates tracked since 2019).

About Ian M. Koontz M.d. NPPES

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

IAN M. KOONTZ M.D. (NPI 1205805199) is an individual internal medicine provider in Dubuque, Iowa, licensed in Iowa (27816) and active in the NPI registry since March 2006.

NPPES Registry Identity

NPI1205805199
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameIAN M. KOONTZCredential: M.D.
Location Address1515 DELHI ST, STE 100Dubuque, IA 52001-6320
Mailing Address1515 Delhi St, Ste 100Dubuque, IA 52001-6320 · (563) 557-9111 · Fax (563) 589-4046
Phone(563) 557-9111
Fax(563) 589-4046
Sole ProprietorNo
Enumeration DateMarch 14, 2006
Last NPPES UpdateApril 6, 20212 updates tracked since enumeration
NPPES CertifiedApril 6, 2021
✔ NPI 1205805199 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · 27816
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.
1515 DELHI ST, Dubuque, IA 52001
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Other Identifiers 2

Medicaid1101634IA
Medicaid32110500WI

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.

CYNTHIA J. KONZ M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
DR. ALEXANDER P JOHNSON M.D.
Hospitalist
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
KRISTIN ELIZABETH NELSON M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BENJAMIN KUMOR M.D.
Family Medicine (Adult Medicine)
1515 DELHI ST, SUITE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
ALLEN GERARD MEURER M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BRETT MAAG
Nurse Anesthetist, Certified Registered
1515 DELHI ST, SUITE 300
DUBUQUE, IA 52001
Dubuque County (563) 557-5991
MARK O LIABOE M.D.
Internal Medicine
1515 DELHI ST, STE 100
DUBUQUE, IA 52001
Dubuque County (563) 557-9111
BRIAN DOUGLAS MORAN M.D.
Internal Medicine
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 Ian Koontz's NPI number?

The NPI number for Ian Koontz is 1205805199. It was assigned to this individual provider in the NPPES registry on March 14, 2006.

Where is Ian Koontz located?

Ian Koontz practices at 1515 Delhi St Ste 100, Dubuque, IA 52001. The listed phone number is (563) 557-9111.

What is Ian Koontz's specialty?

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

When was this NPI record last updated?

The NPPES record for Ian Koontz was last updated on April 6, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.