Quick answers
- Which hospitals does Aaron J. Michelfelder work at?
- Medicare's official clinician data lists Aaron J. Michelfelder at 2 hospitals: Loyola Gottlieb Memorial Hospital and Loyola University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Aaron J. Michelfelder see patients?
- Medicare's clinician data lists 2 practice locations, including Oakbrook Terrace, IL and Maywood, IL. Call before your visit to confirm the address.
- What is Aaron J. Michelfelder's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Aaron J. Michelfelder accept Medicare assignment?
- Yes. Medicare's clinician data says Aaron J. Michelfelder 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 Aaron J. Michelfelder offer telehealth?
- Medicare's clinician data says Aaron J. Michelfelder offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Aaron J. Michelfelder?
- (630) 953-6600, as listed in official Medicare / NPI Registry data.
- What is Aaron J. Michelfelder's NPI number?
- 1811976988. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Aaron J. Michelfelder works
Medicare's Facility Affiliation Data lists Aaron J. Michelfelder at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Loyola Gottlieb Memorial HospitalMelrose Park, IL · Acute Care Hospital · CCN 140008
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
Practice locations
Addresses where Aaron J. Michelfelder is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 S260 Summit AveOakbrook Terrace, IL 60181 (630) 953‑6600
- 2160 S 1st AveMaywood, IL 60153 (708) 216‑9000
Group practices
Medicare enrollment lists Aaron J. Michelfelder as a member of this group (CMS data updated 2026-10-02).
- Loyola University Medical Center953 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Oakbrook Terrace
Clinicians with the same Medicare primary specialty in Oakbrook Terrace, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1811976988 |
| 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