Julie A. Leischner, MD
Internal Medicine Physician · Wheaton, IL
Julie A. Leischner, MD is an internal medicine physician with a practice address in Wheaton, Illinois, and NPI 1336222488, issued on Oct 23, 2006. Check the license (Illinois 336066264, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Julie A. Leischner
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 336066264 IL
Self-reported in NPPES; status is on the state search - Practice location
- 111 N County Farm RD, Wheaton, IL 60187
- Phone
- (630) 682-7400
- Enumerated
- Oct 23, 2006
- Record last updated
- Apr 29, 2024
- Medicare enrollment
- Enrolled (PECOS I20240625003215); accepts Medicare assignment
- Medical or professional school
- Loyola University Of Chicago, Stritch School Of Medicine, 1999
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 111 N County Farm RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Heba Abuseini, MPHCase Manager/Care Coordinator1265807945
- Courtney AckleySocial Worker1205219268
- Rafael AdamesCase Manager/Care Coordinator1346512779
- Samantha Adjekum, L.C.P.CProfessional Counselor1467823484
- Stephanie Aguilera-Mendoza, LSWMental Health Counselor1780469411
- Alexandra AhlbergMental Health Counselor1063097186
Verify Julie A. Leischner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 336066264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- County OF Dupage Department OF HealthWheaton, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Julie A. Leischner among 7,238 internal medicine physician records in Illinois
Julie A. Leischner, MD is one of 7,238 internal medicine physician records with a practice address in Illinois. 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 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1999 · median 2003 among the 3,580 with a school on file
- Record last updated2024 · 47% 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 Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Internal Medicine Physician providers in Illinois
There are 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Wheaton → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- James Boyer, DOWheaton, IL 601871801452073
- Melissa Dattalo, MD, MPHWheaton, IL 601871578705067
- James Erlenborn, M.D.Wheaton, IL 601871982864377
- Scott Kolbaba, MDWheaton, IL 601871396776613
- Patrick Mackey, M.D.Wheaton, IL 601871316151848
- Maryanne Miller, MDWheaton, IL 601871275500613
- Sapan Patel, MDWheaton, IL 601871154530384
- Mathew Philip, M.D.Wheaton, IL 601871124282082
Common questions
What is Julie A. Leischner, MD's NPI number?
Julie A. Leischner, MD's National Provider Identifier (NPI) is 1336222488, issued on Oct 23, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Julie A. Leischner, MD located?
The NPPES record lists a practice address at 111 N County Farm RD, Wheaton, IL, 60187. Phone: (630) 682-7400. Providers update this record themselves, so call before visiting.
How can I verify Julie A. Leischner, MD's license?
NPPES lists Illinois license number 336066264, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
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.