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DR. MICHAEL LECLERC DO
NPI 1750947057
Anesthesiology in Downers Grove, IL

Active since May 13, 2019PECOS EnrolledAccepts Medicare Assignment
3815 HIGHLAND AVE, DOWNERS GROVE, IL 60515(630) 275-5900 Get Directions Write a Review

NPPES record last updated: September 15, 2024. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 15, 2024, Sep 3, 2024, Jun 24, 2020 and 1 more (4 updates tracked since 2019).

About Dr. Michael Leclerc Do NPPES

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

DR. MICHAEL LECLERC DO (NPI 1750947057) is an individual anesthesiology provider in Downers Grove, Illinois, licensed in Illinois (036.169288) and active in the NPI registry since May 2019. He is enrolled in Medicare PECOS, is affiliated with Advocate Good Samaritan Hospital, and is a graduate of Other (2019).

NPPES Registry Identity

NPI1750947057
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. MICHAEL LECLERCCredential: DO
Location Address3815 HIGHLAND AVEDowners Grove, IL 60515-1500
Mailing Address3815 Highland AveDowners Grove, IL 60515-1500 · (630) 275-5900
Phone(630) 275-5900
Sole ProprietorNo
Medical School CMSOtherGraduated 2019
Enumeration DateMay 13, 2019
Last NPPES UpdateSeptember 15, 20244 updates tracked since enumeration
NPPES CertifiedSeptember 15, 2024
✔ NPI 1750947057 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
Licenses✔ Licensed in IL · 036.169288✔ Licensed in FL · UO6980
Definition
An anesthesiologist is trained to provide pain relief and maintenance, or restoration, of a stable condition during and immediately following an operation or an obstetric or diagnostic procedure. The anesthesiologist assesses the risk of the patient undergoing surgery and optimizes the patient's condition prior to, during and after surgery. In addition to these management responsibilities, the anesthesiologist provides medical management and consultation in pain management and critical care medicine. Anesthesiologists diagnose and treat acute, long-standing and cancer pain problems; diagnose and treat patients with critical illnesses or severe injuries; direct resuscitation in the care of patients with cardiac or respiratory emergencies, including the need for artificial ventilation; and supervise post-anesthesia recovery.
3815 HIGHLAND AVE, Downers Grove, IL 60515
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Michael Leclerc Do 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 ID7810330479
PECOS Enrollment IDI20250218002847
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.

Medicare Billing Reassignment

Medicare enrollment records show Michael Leclerc reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Midwest Anesthesia Partners, LLC
21 mi
Anesthesiology
2900 N LAKE SHORE DR
Chicago, IL 60657
  • Reassigned Medicare billing, Illinois enrollment
  • 385 clinicians in this Medicare group
NPI 1255380184 (773) 388-5700

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Hospital Affiliations CMS Care Compare

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

Advocate Good Samaritan Hospital

Acute Care Hospitals · Downers Grove, IL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number140288
Location3815 Highland AvenueDowners Grove, IL 60515 · Du Page County
Emergency services Birthing friendly

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.

STEPHANIE WOLFF PA-C
Physician Assistant
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
ABIGAIL MAZUREK
Physical Therapist
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
DR. MICHAEL J IWANICKI D.O.
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
TRAUMA AND SURGICAL SPECIALISTS OF DUPAGE, LLC
Surgery
3815 HIGHLAND AVE, TOWER 2, SUITE 107
DOWNERS GROVE, IL 60515
Dupage County (630) 275-7800
DR. JUSTIN GRIFFITH MILLER M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 324-7913
ZACHARY JOHN BASTIAN M.D.
Anesthesiology
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MANISA BAKER APN
Clinical Nurse Specialist (Acute Care)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900
MARY SUE DAILEY APRN
Clinical Nurse Specialist (Adult Health)
3815 HIGHLAND AVE
DOWNERS GROVE, IL 60515
Dupage County (630) 275-5900

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 Michael Leclerc's NPI number?

The NPI number for Michael Leclerc is 1750947057. It was assigned to this individual provider in the NPPES registry on May 13, 2019.

Where is Michael Leclerc located?

Michael Leclerc practices at 3815 Highland Ave, Downers Grove, IL 60515. The listed phone number is (630) 275-5900.

What is Michael Leclerc's specialty?

The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.

Is Michael Leclerc enrolled in Medicare?

Yes. Michael Leclerc 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.

Which organization bills Medicare for Michael Leclerc's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Leclerc reassigns Medicare benefits to Midwest Anesthesia Partners, LLC (Chicago, IL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Michael Leclerc's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

Is Michael Leclerc affiliated with any hospitals?

According to CMS data, Michael Leclerc is affiliated with Advocate Good Samaritan Hospital.

When was this NPI record last updated?

The NPPES record for Michael Leclerc was last updated on September 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.