Quick answers
- Which hospitals does Alan K. Klitzke work at?
- Medicare's official clinician data lists Alan K. Klitzke at 1 hospital: Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Alan K. Klitzke see patients?
- Medicare's clinician data lists 3 practice locations, including Williamsville, NY, Chicago, IL and Buffalo, NY. Call before your visit to confirm the address.
- What is Alan K. Klitzke's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does Alan K. Klitzke accept Medicare assignment?
- Yes. Medicare's clinician data says Alan K. Klitzke 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 Alan K. Klitzke?
- (716) 845-2300, as listed in official Medicare / NPI Registry data.
- What is Alan K. Klitzke's NPI number?
- 1245389709. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Alan K. Klitzke works
Medicare's Facility Affiliation Data lists Alan K. Klitzke at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Alan K. Klitzke is enrolled with Medicare (CMS data updated 2026-10-02).
- 1540 Maple RdWilliamsville, NY 14221 (716) 845‑2300
- 676 N Saint Clair St, Suite 800Chicago, IL 60611 (312) 695‑3775
- Elm and Carlton StBuffalo, NY 14263 (716) 845‑2300
Group practices
Medicare enrollment lists Alan K. Klitzke as a member of these groups (CMS data updated 2026-10-02).
- Northwestern Medical Faculty Foundation4,503 clinicians in the group
- Roswell Park Cancer Institute488 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in Williamsville
Clinicians with the same Medicare primary specialty in Williamsville, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1245389709 |
| 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