Quick answers
- Which hospitals does Grazyna Piekos work at?
- Medicare's official clinician data lists Grazyna Piekos at 5 hospitals: AMITA Health Resurrection Medical Center, Loyola Gottlieb Memorial Hospital, Loyola University Medical Center, Morris Hospital & Healthcare Centers and Saint Joseph Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Grazyna Piekos see patients?
- Medicare's clinician data lists 1 practice location in Joliet, IL. Call before your visit to confirm the address.
- What is Grazyna Piekos's specialty?
- Medicare lists Neurology as the primary specialty, and also Sleep Medicine.
- Does Grazyna Piekos accept Medicare assignment?
- Yes. Medicare's clinician data says Grazyna Piekos 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 Grazyna Piekos?
- (815) 730-1200, as listed in official Medicare / NPI Registry data.
- What is Grazyna Piekos's NPI number?
- 1780605899. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Grazyna Piekos works
Medicare's Facility Affiliation Data lists Grazyna Piekos at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AMITA Health Resurrection Medical CenterChicago, IL · Acute Care Hospital · CCN 140117
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · CCN 140008
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- Morris Hospital & Healthcare CentersMorris, IL · Acute Care Hospital · CCN 140101
- Saint Joseph Medical CenterJoliet, IL · Acute Care Hospital · CCN 140007
Practice locations
Addresses where Grazyna Piekos is enrolled with Medicare (CMS data updated 2026-10-02).
- 1513 Essington RdJoliet, IL 60435 (815) 730‑1200
Specialties
- Neurologyprimary
- Sleep Medicinealso
Other neurologists in Joliet
Clinicians with the same Medicare primary specialty in Joliet, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1988 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780605899 |
| 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