NPPES file of Aug 9, 2026

Jay Koernke, MD

Internal Medicine Physician · Boise, ID

Jay Koernke, MD is an internal medicine physician with a practice address in Boise, Idaho, and NPI 1942887401, issued on Mar 29, 2021. Check the license (Idaho 5771067, as entered in NPPES) on the Idaho Board of Medicine; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1942887401
Name
Jay Koernke
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
5771067 ID
Self-reported in NPPES; status is on the state search
Practice location
500 W Fort St # 111R, Boise, ID 83702
Phone
(816) 806-6566
Enumerated
Mar 29, 2021
Record last updated
Nov 21, 2025
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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8 nearest internal medicine physician records → All 453 in Idaho → Look up another NPI →

Also registered at 500 W Fort St # 111R

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Matthew Bird, DOHospitalist Physician1629728282
  2. Meagan BollInternal Medicine Physician1932801586
  3. John Bosak, DOInternal Medicine Physician1669231247
  4. Sophie BrauInternal Medicine Physician1609677848
  5. David Butler, DOInternal Medicine Physician1811835044
  6. Justin CloningerInternal Medicine Physician1942148135

Verify Jay Koernke in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIdaho Board of Medicine
    Search for license 5771067    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Idaho license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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98% fewer Medicare Part D claims than the average internal medicine physician in 2024

51 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 35% of claims.

  1. Jay Koernke51
  2. Specialty average3,176

Most prescribed

  1. Ozempic13 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.

Jay Koernke among 453 internal medicine physician records in Idaho

Jay Koernke, MD is one of 453 internal medicine physician records with a practice address in Idaho. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 83% of them.

  • NPI issued2021 · 83% of these records are older, 15% newer
  • In a Medicare fileYes · 73% of these records are
  • In the CMS Doctors and Clinicians fileNo · 56% of these records are
  • Record last updated2025 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Idaho practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

217 internal medicine physician records list a practice address in Boise

They are 217 of the 9,467 NPPES records with a practice address in Boise, and 453 internal medicine physician records in Idaho.

All 453 in Idaho → Every provider in Boise → Internal Medicine Physician nationwide →

The 8 internal medicine physician records with the nearest ZIP codes

  1. Joann Bischoff, MDBoise, ID 837021174540900
  2. Alice BlakeBoise, ID 837021508805078
  3. John Boice, MDBoise, ID 837021316954878
  4. Tina Esther Bronner, MDBoise, ID 837021760444244
  5. Clive Cooper, MDBoise, ID 837021962446104
  6. Ann Cordum, M.D.Boise, ID 837021982653879
  7. Lisa Inouye, MDBoise, ID 837021376514695
  8. Lee Kornfield, MDBoise, ID 837021275527186

Common questions

What is Jay Koernke, MD's NPI number?

Jay Koernke, MD's National Provider Identifier (NPI) is 1942887401, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Jay Koernke, MD located?

The NPPES record lists a practice address at 500 W Fort St # 111R, Boise, ID, 83702. Phone: (816) 806-6566. Providers update this record themselves, so call before visiting.

How can I verify Jay Koernke, MD's license?

NPPES lists Idaho license number 5771067, as entered by the provider. Search the Idaho Board of Medicine at https://dopl.idaho.gov/bom/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Jay Koernke, MD prescribe under Medicare Part D?

In 2024, Jay Koernke, MD had 51 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.