Gary Koenig, MD

Addiction Medicine · Internal Medicine · Gastroenterology · Allergy & Immunology · Pulmonology · Sleep Medicine

21+ years in practiceNPI: 1942204656Licensed in NELicensed in IA

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Credentials & Recognition

Specialties

Addiction MedicineInternal MedicineGastroenterologyAllergy & ImmunologyPulmonologySleep Medicine

NPI sub-specialties

Internal Medicine207R00000X

Allergy & Immunology207K00000X

Internal Medicine, Pulmonary Disease207RP1001X

Internal Medicine, Sleep Medicine207RS0012X

Allergy & Immunology207K00000X

Internal Medicine207R00000X

Internal Medicine, Pulmonary Disease207RP1001X

Internal Medicine, Sleep Medicine207RS0012X

Practice Signals

Editorial signals beyond credentials. Patient transparency over opacity. See methodology.

Mid-Level (PA/NP) Use

Doctor-led visits

Years in Practice

21+ years

Estimated from NPI enumeration date

Featured in PBCMMG Rankings

#3

Top Allergists & Immunologists in Nebraska, 2026

Allergy & Immunology · Nebraska · 2026

#9

Top Sleep Medicine Doctors in Nebraska, 2026

Sleep Medicine · Nebraska · 2026

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Frequently Asked Questions about Dr. Gary Koenig, MD

Where does Dr. Gary Koenig, MD practice?+
Dr. Gary Koenig, MD practices in Missouri, MO. 1120 N 103RD PLZ SUITE 102 OMAHA, NE 681141114.
What is Dr. Gary Koenig, MD's phone number?+
Dr. Gary Koenig, MD's practice phone is 402-354-0120. Office contact information is verified on the PBCMMG profile.
What does Dr. Gary Koenig, MD specialize in?+
Dr. Gary Koenig, MD's primary specialty is Addiction Medicine, with additional focus on Internal Medicine, Gastroenterology, Allergy & Immunology.
Is Dr. Gary Koenig, MD board certified?+
Board certification status for Dr. Gary Koenig, MD has not been verified in the data sources PBCMMG uses (ABMS, state medical boards). The PBCMMG profile shows their current credential set.
How long has Dr. Gary Koenig, MD been practicing?+
Dr. Gary Koenig, MD has been in active practice for 21+ years, based on NPI enumeration and state licensing records.
What is Dr. Gary Koenig, MD's NPI number?+
Dr. Gary Koenig, MD's National Provider Identifier (NPI) is 1942204656, registered in the federal NPPES registry.

Profile maintained by Palm Beach County Medical Media Group, Inc. | Data verified from public registries (NPPES, ABMS, state medical boards). Methodology · Editorial Standards

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