IAN M. KOONTZ (M.D.) – Internal Medicine Physician, NPI 1205805199

IAN M. KOONTZ (M.D.) is a healthcare provider. based in Dubuque, Iowa. specializing in Internal Medicine Physician. They hold the professional credentials M.D.. They hold a License No. 27816 (IA). The NPI Number for IAN M. KOONTZ (M.D.) is 1205805199

Main info

Male
37 Years Of Experience
Accepts Medicare Assignment
Name
IAN M. KOONTZ (M.D.)
NPI
1205805199
Phone
(563) 557-9111
Address
1515 DELHI ST
Enumeration Date
14 March 2006
Last Update Date
6 April 2021

Doctor Profile

Medical School Name
UNIVERSITY OF IOWA, RJ & L CARVER COLLEGE OF MEDICINE
Secondary Phone
5635579111
Graduation Year
1989 (37 years ago)
PAC ID
4789592692
Group Practice PAC ID
7810805058
Professional Enrollment ID
I20091203000605
Data current as of
19 May 2026

Profile Insights

NPPES metrics only — not quality of care.

Methodology
Experience64
Completeness75
Years active:20State licenses:1Digital endpointsOther names

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Provider Addresses for IAN M. KOONTZ (M.D.)

  • 1515, Delhi Street, Cathedral Square, Dubuque, Dubuque County, Iowa, 52001, United States

    STE 100

    DUBUQUE, IA 520016320

    Phone: (563) 557-9111

    Fax: (563) 589-4046

    Mailing address matches the actual address.

NPPES updates history

No NPPES updates recorded for this provider.

Prescription Activity

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Open Payments (CMS)

No Open Payments data available for this provider.

This can happen when there are no reportable CMS Open Payments records.

Medicare Enrollment & Revalidation

Source: CMS public data · Not endorsed by CMS ·

Educational use only—not medical, billing, or legal advice.

No Medicare enrollment or revalidation data available for this provider in our database.

Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS

Medicare Utilization (FFS)

Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·

Educational use only—not medical, billing, or legal advice.

No Medicare fee-for-service utilization data available for this provider in our database.

Insurance plans in this area (ZIP 52001)

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Provider's Procedures

IAN M. KOONTZ (M.D.) performs procedures in Internal Medicine Physician. See the list of HCPCS codes below.
SpecialtyPractice State
HCPCS Code
Description
Service Count
Beneficiary Count
INTERNAL MEDICINEIA45378Diagnostic examination of large bowel using an endoscope1616

Group practice members

Group practice members are other physicians who share the same Group Practice PAC ID with this doctor. When doctors form a group practice and register in PECOS as a single entity, they receive a shared identification number. This table lists all providers in the same group practice.
PAC ID: 7810805058View full group profile
NameSpecialtyState
DR. ALEXANDER P JOHNSON (M.D.)
H O S P I T A L I S TIA
KRISTIN ELIZABETH NELSON (M.D.)
-IA
ALLEN GERARD MEURER (M.D.)
-IA
MARK O LIABOE (M.D.)
-IA
DR. KHAWAR NADEEM WARRAICH (MD)
H O S P I T A L I S TIA
JOSEPH MICHAEL COMPTON (M.D.)
-IA
DR. STEVEN G. HAAS (M.D.)
-IA
REBEKAH SUE BOND (M.D.)
-IA
SHAWNA LEE TOBIN
-IA
DR. RACHEL ADE KOZICZKOWSKI (M.D.)
D E R M A T O L O G YIL

Reviews

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Frequently asked questions

What is the standard ID for IAN M. KOONTZ (M.D.) in the U.S.?
In the U.S., IAN M. KOONTZ (M.D.) is identified by NPI 1205805199.
Is IAN M. KOONTZ (M.D.) currently accepting referrals based on NPI status?
Registry metadata lists IAN M. KOONTZ (M.D.) as active.
What services align with IAN M. KOONTZ (M.D.)'s listing?
IAN M. KOONTZ (M.D.)'s public classification highlights Internal Medicine Physician. Clinical services aligned with this taxonomy classification.
Is IAN M. KOONTZ (M.D.) tied to Dubuque, Iowa?
If you are local to Dubuque, Iowa, IAN M. KOONTZ (M.D.) may be relevant to your search.
Why is information missing for IAN M. KOONTZ (M.D.)?
Providers choose how much contact data to publish. Missing fields do not mean the profile is fake.

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