Gary A. Koenig, MD
Allergy & Immunology Physician · Omaha, NE
Gary A. Koenig, MD is an allergy & immunology physician with a practice address in Omaha, Nebraska, and NPI 1942204656, issued on Jun 9, 2005. Check the license (Nebraska 17844, as entered in NPPES) on the Nebraska Board of Medicine and Surgery; the Medicare figures below come from public CMS files.
- Name
- Gary A. Koenig
- Credential
- MD
- Primary taxonomy
- Allergy & Immunology Physician 207K00000X
- License numbers
- 17844 NE
23943 IA
Self-reported in NPPES; status is on the state search - Practice location
- 1120 N 103RD Plz, Omaha, NE 68114
- Phone
- (402) 354-0120
- Enumerated
- Jun 9, 2005
- Record last updated
- Aug 22, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (402) 354-0125
- Medicaid IDs
- 10026480109 NE
1942204656 IA - Medicare enrollment
- Enrolled (PECOS I20100119000570); accepts Medicare assignment
- Medical or professional school
- Creighton University School Of Medicine, 1981
- Entity
- Type 1 · individual
8 nearest allergy & immunology physician records → All 20 in Nebraska → Look up another NPI →
Also registered at 1120 N 103RD Plz
A shared address usually means a shared clinic or building; it does not show who employs whom.
- James Bowers, D.O.Pulmonary Disease Physician1255335972
- Erin Brummett, APRNFamily Nurse Practitioner1225418031
- Randal Cassling, MDCardiovascular Disease Physician1437110525
- Mark Chouinard, MDCardiovascular Disease Physician1487615316
- Neika Coughlin, APRN CNurse Practitioner1982673331
- Michael Dehning, MDCardiovascular Disease Physician1063473056
Verify Gary A. Koenig in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNebraska Board of Medicine and Surgery
Search for license 17844Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.0 times the Medicare Part D claims of the average allergy & immunology physician in 2024
2,228 Medicare Part D claims for 391 beneficiaries, against an average of 741 among the 2,899 providers of this specialty who prescribed in Part D. Brand-name drugs were 48% of claims.
Most prescribed
- Trelegy Ellipta499 claims
- Azelastine Hcl393 claims
- Fluticasone Propionate328 claims
- Albuterol Sulfate Hfa169 claims
- Montelukast Sodium89 claims
- Fluticasone-Salmeterol77 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $1,030.73
58 payments; by number, the most common kind was food and beverage; the largest payer was Harmony Biosciences LLC. The 2,496 providers of this specialty with any payment received $8,321.81 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Physicians Clinic IncRed Oak, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary A. Koenig among 20 allergy & immunology physician records in Nebraska
Gary A. Koenig, MD is one of 20 allergy & immunology physician records with a practice address in Nebraska. 90% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 80% newer
- In a Medicare fileYes · 90% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated1981 · median 1999 among the 16 with a school on file
- Record last updated2016 · 75% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207K00000X and a Nebraska practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Allergy & Immunology Physician providers in Nebraska
There are 20 allergy & immunology physician records in Nebraska.
All 20 in Nebraska → Every provider in Omaha → Allergy & Immunology Physician nationwide →
The 8 allergy & immunology physician records with the nearest ZIP codes
- Gregory Brooks, MDBellevue, NE 681231134178817
- Linda Ford, M.D.Bellevue, NE 681231003886813
- James Friedlander, M.D.Omaha, NE 681241326211889
- Brett Kettelhut, M.D.Omaha, NE 681241538151204
- Roger Kobayashi, M.D.Omaha, NE 681241093707754
- Mitchell Pitlick, M.D.Omaha, NE 681241073044574
- James Tracy, D.O.Omaha, NE 681241801888300
- Brian Kelly, M.D.Omaha, NE 681301306089230
Common questions
What is Gary A. Koenig, MD's NPI number?
Gary A. Koenig, MD's National Provider Identifier (NPI) is 1942204656, issued on Jun 9, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Gary A. Koenig, MD located?
The NPPES record lists a practice address at 1120 N 103RD Plz, Omaha, NE, 68114. Phone: (402) 354-0120. Providers update this record themselves, so call before visiting.
How can I verify Gary A. Koenig, MD's license?
NPPES lists Nebraska license number 17844, as entered by the provider. Search the Nebraska Board of Medicine and Surgery at https://www.nebraska.gov/LISSearch/search.cgi. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary A. Koenig, MD prescribe under Medicare Part D?
In 2024, Gary A. Koenig, MD had 2,228 Medicare Part D claims for 391 beneficiaries; the average among allergy & immunology physician prescribers was 741. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.