Heather KalejsM.D,
Anesthesiology·Hoffman Estates, IL
Heather Kalejs, M.D, is an Anesthesiology provider in Hoffman Estates, IL affiliated with 5 ambulatory surgery centers in IL, as of July 2026.
- NPI1316039829
- Registered2006
- Centers5
- StateIL
- Class of2001
Case volumes, referral patterns, and payer mix live in DataLily AI Insights.
Ambulatory surgery centers
Centers whose service lines match this provider’s. Affiliations change; verify independently.
- River North Same Day Surgery LLCChicago, IL · Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
- Palos Surgicenter LLCPalos Heights, IL · Gastroenterology, Ophthalmology, Pain management · 7 on panelView center →
- Advanced Ambulatory Surgical Center INCChicago, IL · Orthopedics, Pain management, Spine · 30 on panelView center →
- Rush Oak Brook Surgery CenterOak Brook, IL · Gastroenterology, Orthopedics, Pain management, Podiatry · 3 on panelView center →
- Rush Surgicenter At The Professional Building LTD Partnership Dba Rush Surgicenter LTD PartnershipChicago, IL · Ophthalmology, Orthopedics, Pain management · 30 on panelView center →
Education
Education on record as of August 2026.
Heather Kalejs at a glance
- Provider
- Heather Kalejs
- Credential
- M.D,
- Specialty
- Anesthesiology
- Procedures
- Anesthesiology CPT codes
- Location
- Hoffman Estates, IL
- Medical school
- University of Rochester School of Medicine and Dentistry
- Graduated
- 2001
- NPI registered
- 2006
- NPI
- 1316039829
- Snapshot
- July 2026
Identity, specialty, and affiliations change over time. This is not an endorsement, and not clinical, billing, or legal advice. Providers may request corrections at founders@datalilyai.com. Read the DataLily AI data methodology.
Questions
Where does Heather Kalejs practice?
Heather Kalejs, M.D, is based in Hoffman Estates, IL and is affiliated with 5 ambulatory surgery centers: River North Same Day Surgery LLC in Chicago, IL, Palos Surgicenter LLC in Palos Heights, IL, Advanced Ambulatory Surgical Center INC in Chicago, IL, Rush Oak Brook Surgery Center in Oak Brook, IL, and Rush Surgicenter At The Professional Building LTD Partnership Dba Rush Surgicenter LTD Partnership in Chicago, IL. Affiliations reflect the current DataLily AI snapshot (July 2026) and can change.
What is Heather Kalejs's NPI number?
Heather Kalejs's National Provider Identifier (NPI) is 1316039829, registered in 2006. Specialty on record: Anesthesiology; credential M.D,.
Where did Heather Kalejs go to medical school?
Heather Kalejs, M.D, attended University of Rochester School of Medicine and Dentistry, graduating in 2001.
How many Anesthesiology providers in Illinois work at ambulatory surgery centers?
43 Anesthesiology surgeons and proceduralists in Illinois are affiliated with ambulatory surgery centers in DataLily AI's current snapshot, Heather Kalejs among them. The Illinois Anesthesiology directory lists each one by city with credential, NPI, and center affiliations.
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