Quick answers
- Which hospitals does Peter D. Cladis work at?
- Medicare's official clinician data lists Peter D. Cladis at 5 hospitals: Northwestern Medicine Central Dupage Hospital, Northwestern Medicine Delnor Community Hospital, Northwestern Medicine Kishwaukee Hospital, Northwestern Medicine McHenry and Northwestern Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Peter D. Cladis see patients?
- Medicare's clinician data lists 3 practice locations, including Wheaton, IL, Geneva, IL and Elburn, IL. Call before your visit to confirm the address.
- What is Peter D. Cladis's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Peter D. Cladis accept Medicare assignment?
- Yes. Medicare's clinician data says Peter D. Cladis 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 Peter D. Cladis offer telehealth?
- Medicare's clinician data says Peter D. Cladis offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Peter D. Cladis?
- (630) 933-4800, as listed in official Medicare / NPI Registry data.
- What is Peter D. Cladis's NPI number?
- 1467452755. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Peter D. Cladis works
Medicare's Facility Affiliation Data lists Peter D. Cladis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Northwestern Medicine Delnor Community HospitalGeneva, IL · Acute Care Hospital · CCN 140211
- Northwestern Medicine Kishwaukee HospitalDekalb, IL · Acute Care Hospital · CCN 140286
- Northwestern Medicine McHenryMcHenry, IL · Acute Care Hospital · CCN 140116
- Northwestern Memorial HospitalChicago, IL · Acute Care Hospital · CCN 140281
Practice locations
Addresses where Peter D. Cladis is enrolled with Medicare (CMS data updated 2026-10-02).
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 2425 Fargo BlvdGeneva, IL 60134 (630) 232‑2200
- 905 N 1st StElburn, IL 60119 (630) 232‑2200
Group practices
Medicare enrollment lists Peter D. Cladis as a member of this group (CMS data updated 2026-10-02).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Wheaton
Clinicians with the same Medicare primary specialty in Wheaton, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Northwestern University Feinberg Medical School |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1467452755 |
| 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