DR. LESLIE SLEUWEN MD
NPI 1063464741
Family Medicine in Hinsdale, IL

Active since May 17, 2006PECOS EnrolledAccepts Medicare Assignment
135 N OAK ST, HINSDALE, IL 60521(630) 856-6865(630) 856-6813 Get Directions Write a Review

NPPES record last updated: March 26, 2021. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Leslie Sleuwen Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. LESLIE SLEUWEN MD (NPI 1063464741) is an individual family medicine provider in Hinsdale, Illinois, licensed in Illinois (36099994) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS, is affiliated with Adventist La Grange Memorial Hospital, and is a graduate of Other (1995).

NPPES Registry Identity

NPI1063464741
Entity TypeIndividualFemale
Primary Taxonomy207Q00000X
Provider Legal NameDR. LESLIE SLEUWENCredential: MD
Location Address135 N OAK STHinsdale, IL 60521-3860
Mailing Address135 N Oak StHinsdale, IL 60521-3860 · (630) 856-8900
Fax(630) 856-6813
Sole ProprietorNo
Medical School CMSOtherGraduated 1995
Enumeration DateMay 17, 2006
Last NPPES UpdateMarch 26, 2021
NPPES CertifiedMarch 26, 2021
NPI 1063464741 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
License Licensed in IL · 36099994
Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

135 N OAK ST, Hinsdale, IL 60521

Other Identifiers 1

Medicaid036099994IL

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare and accepts Medicare assignment

Dr. Leslie Sleuwen Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2769545938
PECOS Enrollment IDI20090114000366
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more 99214
This is a routine check-up for patients who have previously visited our clinic. It involves a comprehensive review of your health and any ongoing treatments. The consultation lasts between 30-39 minutes, allowing enough time to discuss any concerns.
68 services40 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
20 services20 patients
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222
Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.
12 services12 patients
Hospital discharge day management, 30 minutes or less 99238
Hospital discharge day management of 30 minutes or less includes finalizing your treatment, discussing your progress, and planning after-care at home. It ensures you're ready to leave the hospital and continue recovery safely.
12 services12 patients
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit G0439
An annual wellness visit is a yearly appointment with your primary care provider to create or update a personalized prevention plan. This plan helps prevent illness based on your current health and risk factors. It's a subsequent visit, meaning it follows an initial assessment.
12 services12 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Adventist La Grange Memorial Hospital

Acute Care Hospitals · La Grange, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Church
CMS Certification Number140065
Location5101 S Willow Springs RdLa Grange, IL 60525 · Cook County
Emergency services

Adventist Hinsdale Hospital

Acute Care Hospitals · Hinsdale, IL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140122
Location120 North Oak StHinsdale, IL 60521 · Du Page County
Emergency services Birthing friendly

Uchicago Medicine Adventhealth Glenoaks

Acute Care Hospitals · Glendale Heights, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Other
CMS Certification Number140292
Location701 Winthrop AvenueGlendale Heights, IL 60139 · Du Page County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60521 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$93.02 typical visit price
range $59.81 – $181.38
Typical copayment $23.25 (range $14.95 – $45.34)
Most-billed visit code 99203
Established Patient
$105.07 typical visit price
range $19.15 – $147.12
Typical copayment $26.26 (range $4.78 – $36.78)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Referred Medical Equipment & Supplies CMS DME claims

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

Blood glucose test or reagent strips for home blood glucose monitor, per 50 strips A4253
DME-Other DME · category DE017N
6 suppliers11 claims36 services$6.27 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Family Medicine
135 N OAK ST
HINSDALE, IL 60521
Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Student in an Organized Health Care Education/Training Program
135 N OAK ST
HINSDALE, IL 60521
Family Medicine
135 N OAK ST
HINSDALE, IL 60521

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leslie Sleuwen's NPI number?

The NPI number for Leslie Sleuwen is 1063464741. It was assigned to this individual provider in the NPPES registry on May 17, 2006.

Where is Leslie Sleuwen located?

Leslie Sleuwen practices at 135 N Oak St, Hinsdale, IL 60521. The listed phone number is (630) 856-6865.

What is Leslie Sleuwen's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Leslie Sleuwen enrolled in Medicare?

Yes. Leslie Sleuwen is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Is Leslie Sleuwen affiliated with any hospitals?

According to CMS data, Leslie Sleuwen is affiliated with Adventist La Grange Memorial Hospital, Adventist Hinsdale Hospital and Uchicago Medicine Adventhealth Glenoaks.

When was this NPI record last updated?

The NPPES record for Leslie Sleuwen was last updated on March 26, 2021. NPI Profile syncs with the weekly NPPES data releases published by CMS.