Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Leslie Sleuwen, MD

Individual provider Family Medicine Physician · NPI 1063464741

Dr. Leslie Sleuwen, MD is a Family Practice in Hinsdale, Illinois. Qualified in 1995, 31 years ago. Practices with Adventist Midwest Health, a 14-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
31
Licensed in
IL
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

135 N Oak St
Hinsdale, IL 60521-3860
Phone: (630) 856-6865
Fax: (630) 856-6813
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 36099994 (IL)

Record details

NPI number1063464741
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 17, 2006
Last updated in NPPESMarch 26, 2021
Certification dateMarch 26, 2021

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolOTHER
Graduated 1995 (31 years in practice)
Group practice Adventist Midwest Health — 14 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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