DR. LOUIS TSICHLIS DO
NPI 1366029894
Anesthesiology in Hinsdale, IL

Active since March 29, 2021PECOS EnrolledAccepts Medicare Assignment
120 N OAK ST, HINSDALE, IL 60521(630) 856-9000 Get Directions Write a Review

NPPES record last updated: December 11, 2025. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Dec 11, 2025, Jun 30, 2025, Jul 27, 2023 and 2 more (5 updates tracked since 2021).

About Dr. Louis Tsichlis Do NPPES

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

DR. LOUIS TSICHLIS DO (NPI 1366029894) is an individual anesthesiology provider in Hinsdale, Illinois, licensed in Illinois (036176824) and active in the NPI registry since March 2021. He is enrolled in Medicare PECOS, is affiliated with Adventist La Grange Memorial Hospital, and is a graduate of Midwestern University, Chicago College Of Osteopathic Med (2021).

NPPES Registry Identity

NPI1366029894
Entity TypeIndividualMale
Primary Taxonomy207L00000X
Provider Legal NameDR. LOUIS TSICHLISCredential: DO
Location Address120 N OAK STHinsdale, IL 60521-3829
Mailing Address387 Shuman BlvdNaperville, IL 60563-8450 · (800) 242-1131
Sole ProprietorNo
Medical School CMSMidwestern University, Chicago College Of Osteopathic MedGraduated 2021
Enumeration DateMarch 29, 2021
Last NPPES UpdateDecember 11, 20255 updates tracked since enumeration
NPPES CertifiedDecember 11, 2025
NPI 1366029894 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyAnesthesiologyAllopathic & Osteopathic Physicians
Taxonomy Code207L00000X
License Licensed in IL · 036176824
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.
120 N OAK ST, Hinsdale, IL 60521

Other Identifiers 1

Medicaid1366029894SC

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. Louis Tsichlis 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 ID2769889724
PECOS Enrollment IDI20251110002214
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.

Hospital Affiliations CMS Care Compare 2

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

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.

Pathology (Anatomic Pathology & Clinical Pathology)
120 N OAK ST
HINSDALE, IL 60521
Anesthesiology (Pediatric Anesthesiology)
120 N OAK ST
HINSDALE, IL 60521
Pathology (Anatomic Pathology & Clinical Pathology)
120 N OAK ST, HINSDALE HOSPITAL / PATHOLOGY DEP
HINSDALE, IL 60521
Emergency Medicine
120 N OAK ST
HINSDALE, IL 60521
Pathology (Anatomic Pathology & Clinical Pathology)
120 N OAK ST, HINSALE HOSPITAL / PATHOLOGY DEPAR
HINSDALE, IL 60521
Anesthesiology
120 N OAK ST
HINSDALE, IL 60521
Nurse Practitioner
120 N OAK ST
HINSDALE, IL 60521
Registered Nurse
120 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 Louis Tsichlis's NPI number?

The NPI number for Louis Tsichlis is 1366029894. It was assigned to this individual provider in the NPPES registry on March 29, 2021.

Where is Louis Tsichlis located?

Louis Tsichlis practices at 120 N Oak St, Hinsdale, IL 60521. The listed phone number is (630) 856-9000.

What is Louis Tsichlis's specialty?

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

Is Louis Tsichlis enrolled in Medicare?

Yes. Louis Tsichlis 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 Louis Tsichlis affiliated with any hospitals?

According to CMS data, Louis Tsichlis is affiliated with Adventist La Grange Memorial Hospital and Adventist Hinsdale Hospital.

When was this NPI record last updated?

The NPPES record for Louis Tsichlis was last updated on December 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.