Quick answers
- Which hospitals does George Katsamakis work at?
- Medicare's official clinician data lists George Katsamakis at 5 hospitals: Advocate Illinois Masonic Medical Center, Northwest Community Hospital 1, Northwestern Medicine Central Dupage Hospital, Northwestern Medicine McHenry and St Alexius Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does George Katsamakis see patients?
- Medicare's clinician data lists 1 practice location in Lake Barrington, IL. Call before your visit to confirm the address.
- What is George Katsamakis's specialty?
- Medicare lists Neurology as the primary specialty.
- Does George Katsamakis accept Medicare assignment?
- Yes. Medicare's clinician data says George Katsamakis 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.
- Does George Katsamakis offer telehealth?
- Medicare's clinician data says George Katsamakis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is George Katsamakis's NPI number?
- 1174502835. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where George Katsamakis works
Medicare's Facility Affiliation Data lists George Katsamakis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Illinois Masonic Medical CenterChicago, IL · Acute Care Hospital · CCN 140182
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- St Alexius Medical CenterHoffman Estates, IL · Acute Care Hospital · CCN 140290
Practice locations
Addresses where George Katsamakis is enrolled with Medicare (CMS data updated 2026-10-02).
- 22285 N Pepper Rd, Suite 401Lake Barrington, IL 60010
Group practices
Medicare enrollment lists George Katsamakis as a member of this group (CMS data updated 2026-10-02).
- Northwest Neurology, Ltd30 clinicians in the group
Specialties
- Neurologyprimary
Other neurologists in Lake Barrington
Clinicians with the same Medicare primary specialty in Lake Barrington, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rush Medical College Of Rush University |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1174502835 |
| 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