Justin Conrad Koerner, APRN, CNP
Nurse Practitioner · Lake Forest, IL
Justin Conrad Koerner, APRN, CNP is a nurse practitioner with a practice address in Lake Forest, Illinois, and NPI 1245095751, issued on Feb 14, 2024. Check the license (Illinois 209029414, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justin Conrad Koerner
- Credential
- APRN, CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License number
- 209029414 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1000 N Westmoreland RD # Level1, Lake Forest, IL 60045
- Phone
- (847) 534-3278
- Enumerated
- Feb 14, 2024
- Record last updated
- Mar 22, 2024
- Fax
- (847) 535-8590
- Medicare enrollment
- Enrolled (PECOS I20240415003661); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 1000 N Westmoreland RD # Level1
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Justin Conrad Koerner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209029414Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average nurse practitioner in 2024
66 Medicare Part D claims for 37 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Eliquis14 claims
- Metoprolol Succinate13 claims
- Amiodarone Hcl11 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: $1,723.01
36 payments; by number, the most common kind was food and beverage; the largest payer was Medtronic, Inc. The 38,884 providers of this specialty with any payment received $791.64 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
- Northwestern Medical Faculty FoundationLake Forest, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Justin Conrad Koerner among 4,892 nurse practitioner records in Illinois
Justin Conrad Koerner, APRN, CNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 8% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2023 · median 2018 among the 3,389 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
40 nurse practitioner records list a practice address in Lake Forest
They are 40 of the 821 NPPES records with a practice address in Lake Forest, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Lake Forest → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Jennifer Cote, APN, FNPLake Forest, IL 600451609235381
- Nancy Doherty, NPLake Forest, IL 600451306815006
- Kelly Forster Ivy, CNM, WHNP-BCLake Forest, IL 600451649514316
- Brittany FrenchLake Forest, IL 600451891110359
- Sheryl Giese, APRN, CNPLake Forest, IL 600451801165436
- Jeanine Harshbarger, FNPLake Forest, IL 600451871583179
- Kaitlin Hirschfeld, APRN, CNPLake Forest, IL 600451043754765
- Jennifer Jackson, ACNPLake Forest, IL 600451629285457
Common questions
What is Justin Conrad Koerner, APRN, CNP's NPI number?
Justin Conrad Koerner, APRN, CNP's National Provider Identifier (NPI) is 1245095751, issued on Feb 14, 2024. An NPI identifies a provider in billing; it is not a license.
Where is Justin Conrad Koerner, APRN, CNP located?
The NPPES record lists a practice address at 1000 N Westmoreland RD # Level1, Lake Forest, IL, 60045. Phone: (847) 534-3278. Providers update this record themselves, so call before visiting.
How can I verify Justin Conrad Koerner, APRN, CNP's license?
NPPES lists Illinois license number 209029414, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Justin Conrad Koerner, APRN, CNP prescribe under Medicare Part D?
In 2024, Justin Conrad Koerner, APRN, CNP had 66 Medicare Part D claims for 37 beneficiaries; the average among nurse practitioner prescribers was 1,109. 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.