Quick answers
- Which hospitals does John M. Saran work at?
- Medicare's official clinician data lists John M. Saran at 5 hospitals: Advocate Good Samaritan Hospital, Edward Hospital, Elmhurst Memorial Hospital, Northwestern Medicine Central Dupage Hospital and Swedish Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John M. Saran see patients?
- Medicare's clinician data lists 2 practice locations, including Naperville, IL and Evanston, IL. Call before your visit to confirm the address.
- What is John M. Saran's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Geriatric Medicine.
- Does John M. Saran accept Medicare assignment?
- Yes. Medicare's clinician data says John M. Saran 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 John M. Saran offer telehealth?
- Medicare's clinician data says John M. Saran offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John M. Saran?
- (630) 646-6020, as listed in official Medicare / NPI Registry data.
- What is John M. Saran's NPI number?
- 1720075849. 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 M. Saran works
Medicare's Facility Affiliation Data lists John M. Saran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · CCN 140288
- Edward HospitalNaperville, IL · Acute Care Hospital · CCN 140231
- Elmhurst Memorial HospitalElmhurst, IL · Acute Care Hospital · CCN 140200
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Swedish HospitalChicago, IL · Acute Care Hospital · CCN 140114
Practice locations
Addresses where John M. Saran is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 Spalding Dr, Suite 205and207Naperville, IL 60540 (630) 646‑6020
- 2650 Ridge AveEvanston, IL 60201
Group practices
Medicare enrollment lists John M. Saran as a member of this group (CMS data updated 2026-10-02).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Internal Medicineprimary
- Geriatric Medicinealso
Other internal medicine doctors in Naperville
Clinicians with the same Medicare primary specialty in Naperville, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1976 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1720075849 |
| 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