Quick answers
- Which hospitals does Karthik K. Challa work at?
- Medicare's official clinician data lists Karthik K. Challa at 2 hospitals: Advocate Lutheran General Hospital and Advocate Sherman Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Karthik K. Challa see patients?
- Medicare's clinician data lists 1 practice location in Elgin, IL. Call before your visit to confirm the address.
- What is Karthik K. Challa's specialty?
- Medicare lists Interventional Cardiology as the primary specialty, and also Cardiovascular Disease (Cardiology) and Internal Medicine.
- Does Karthik K. Challa accept Medicare assignment?
- Yes. Medicare's clinician data says Karthik K. Challa accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Karthik K. Challa?
- (847) 695-3168, as listed in official Medicare / NPI Registry data.
- What is Karthik K. Challa's NPI number?
- 1619293131. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Karthik K. Challa works
Medicare's Facility Affiliation Data lists Karthik K. Challa at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Lutheran General HospitalPark Ridge, IL · Acute Care Hospital · CCN 140223
- Advocate Sherman HospitalElgin, IL · Acute Care Hospital · CCN 140030
Practice locations
Addresses where Karthik K. Challa is enrolled with Medicare (CMS data updated 2026-10-02).
- 1435 N Randall Rd, Suite 201Elgin, IL 60123 (847) 695‑3168
Group practices
Medicare enrollment lists Karthik K. Challa as a member of this group (CMS data updated 2026-10-02).
- Advocate Health and Hospitals Corporation3,118 clinicians in the group
Specialties
Other interventional cardiologists in Illinois
Clinicians with the same Medicare primary specialty in Illinois — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | West Virginia University School Of Medicine |
| Graduation year | 2010 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1619293131 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians