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DR. HEATHER KALEJS M.D,
NPI 1316039829
Anesthesiology in Hoffman Estates, IL

Active since September 29, 2006PECOS EnrolledAccepts Medicare Assignment
1555 BARRINGTON RD, HOFFMAN ESTATES, IL 60169(847) 490-2923 Get Directions Write a Review

NPPES record last updated: December 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Heather Kalejs M.d, NPPES

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

DR. HEATHER KALEJS M.D, (NPI 1316039829) is an individual anesthesiology provider in Hoffman Estates, Illinois, licensed in Illinois (036111797) and active in the NPI registry since September 2006. She is enrolled in Medicare PECOS and is a graduate of University Of Rochester School Of Medicine And Dentistry (2001).

NPPES Registry Identity

NPI1316039829
Entity TypeIndividualFemale
Primary Taxonomy207L00000X
Provider Legal NameDR. HEATHER KALEJSCredential: M.D,
Location Address1555 BARRINGTON RDHoffman Estates, IL 60169-1019
Mailing Address2413 W Algonquin Rd # 608Algonquin, IL 60102-9402 · (224) 333-0033
Phone(847) 490-2923
Sole ProprietorNo
Medical School CMSUniversity Of Rochester School Of Medicine And DentistryGraduated 2001
Enumeration DateSeptember 29, 2006
Last NPPES UpdateDecember 20, 2021
NPPES CertifiedDecember 20, 2021
✔ NPI 1316039829 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 · 036111797
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.
Also ListedPain Medicine · Interventional Pain MedicineTaxonomy 208VP0014X · License 036111797 (IL)
1555 BARRINGTON RD, Hoffman Estates, IL 60169
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Other Identifiers 1

Medicaid036111797IL

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. Heather Kalejs M.d, 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 ID2860492865
PECOS Enrollment IDI20061221000337
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 Reassignments

4

Medicare enrollment records show Heather Kalejs reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Hsc Anesthesia Services LLC
20 mi
Anesthesiology
10 SALT CREEK LN
Hinsdale, IL 60521
  • Reassigned Medicare billing, Illinois enrollment
  • 35 clinicians in this Medicare group
NPI 1174239719 (630) 323-5214
University Anesthesiologists Sc
27 mi
Anesthesiology
1653 W CONGRESS PKWY, 735 JELKE ANESTHESIA DEPT.
Chicago, IL 60612
  • Reassigned Medicare billing, Illinois enrollment
  • 188 clinicians in this Medicare group
NPI 1073558136 (312) 942-6504
Midwest Anesthesia Partners, LLC
27 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
Ambulatory Anesthesiologists Of Chicago, LLC
29 mi
Anesthesiology
60 E DELAWARE PL FL 15
Chicago, IL 60611
  • Reassigned Medicare billing, Illinois enrollment
  • 39 clinicians in this Medicare group
NPI 1659306272 (312) 291-7432

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

Areas of Expertise CMS Part B claims 2

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.

Injection of anesthetic agent and/or steroid into arm nerve bundle (brachial plexus) 64415
This procedure involves injecting a numbing agent or steroid into your arm's nerve bundle. It's done to manage pain or inflammation. The injection helps block nerve signals that cause discomfort, providing relief. It's a safe, common procedure.
24 services24 patients
Anesthesia for lens surgery 00142
Anesthesia for lens surgery involves administering medication to numb the eye area, ensuring you feel no pain during the procedure. This can be a local anesthetic (numbing only the eye area) or general (where you're asleep). It helps make the surgery comfortable and stress-free.
16 services16 patients

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.

A.R. ZAND, M.D., S.C.
Pediatrics
1555 BARRINGTON RD, SUITE 320
HOFFMAN ESTATES, IL 60169
Cook County (847) 882-2600
JANE M. VODVARKA CRNA
Nurse Anesthetist, Certified Registered
1555 BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Cook County (847) 490-2923
SHANTHI ARIBINDI M.D.
Anesthesiology
1555 BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Cook County (847) 490-2923
SONAL N. PATEL M.D.
Anesthesiology
1555 BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Cook County (847) 490-2923
EDWARD L. SCHULTE D.O
Anesthesiology
1555 BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Cook County (847) 490-2923
LEAH NICOLE TREFFEISEN DO
Obstetrics & Gynecology
1555 BARRINGTON RD, OBSTETRICS AND GYNECOLOGY RESIDENCY PROGRAM
HOFFMAN ESTATES, IL 60169
Cook County (224) 299-6939
ALEXANDER FOROWYCZ M.D.
Anesthesiology
1555 BARRINGTON RD
HOFFMAN ESTATES, IL 60169
Cook County (847) 490-2923
NORTHWEST HEALTH CARE ASSOCIATES
Internal Medicine
1555 BARRINGTON RD, SUITE 2300A
HOFFMAN ESTATES, IL 60169
Cook County (847) 843-7030

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 Heather Kalejs's NPI number?

The NPI number for Heather Kalejs is 1316039829. It was assigned to this individual provider in the NPPES registry on September 29, 2006.

Where is Heather Kalejs located?

Heather Kalejs practices at 1555 Barrington Rd, Hoffman Estates, IL 60169. The listed phone number is (847) 490-2923.

What is Heather Kalejs's specialty?

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

Is Heather Kalejs enrolled in Medicare?

Yes. Heather Kalejs 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 organizations bill Medicare for Heather Kalejs's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Heather Kalejs reassigns Medicare benefits to 4 organizations: Hsc Anesthesia Services LLC (Hinsdale, IL), University Anesthesiologists Sc (Chicago, IL), Midwest Anesthesia Partners, LLC (Chicago, IL) and Ambulatory Anesthesiologists Of Chicago, LLC (Chicago, IL). Each 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 Heather Kalejs's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Heather Kalejs was last updated on December 20, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.