Quick answers
- Which hospitals does John E. Regan work at?
- Medicare's official clinician data lists John E. Regan at 1 hospital: Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John E. Regan see patients?
- Medicare's clinician data lists 4 practice locations, including Palos Heights, IL, Wheaton, IL and Chicago, IL. Call before your visit to confirm the address.
- What is John E. Regan's specialty?
- Medicare lists Hospitalist as the primary specialty, and also Internal Medicine.
- Does John E. Regan accept Medicare assignment?
- Yes. Medicare's clinician data says John E. Regan 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 John E. Regan?
- (708) 923-5869, as listed in official Medicare / NPI Registry data.
- What is John E. Regan's NPI number?
- 1104274968. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John E. Regan works
Medicare's Facility Affiliation Data lists John E. Regan at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where John E. Regan is enrolled with Medicare (CMS data updated 2026-10-02).
- 12251 S 80th AvePalos Heights, IL 60463 (708) 923‑5869
- 12251 S 80th Ave, Suite 1780Palos Heights, IL 60463 (708) 923‑3420
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
- 251 E Huron StChicago, IL 60611
Group practices
Medicare enrollment lists John E. Regan as a member of this group (CMS data updated 2026-10-02).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Hospitalistprimary
- Internal Medicinealso
Other hospitalists in Palos Heights
Clinicians with the same Medicare primary specialty in Palos Heights, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2015 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104274968 |
| 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