Quick answers
- Which hospitals does James W. Loo work at?
- Medicare's official clinician data lists James W. Loo at 1 hospital: UChicago Medicine AdventHealth Hinsdale. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does James W. Loo see patients?
- Medicare's clinician data lists 3 practice locations, including Hinsdale, IL, Chicago Heights, IL and La Grange, IL. Call before your visit to confirm the address.
- What is James W. Loo's specialty?
- Medicare lists Anesthesiology as the primary specialty.
- Does James W. Loo accept Medicare assignment?
- Yes. Medicare's clinician data says James W. Loo 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 James W. Loo?
- (630) 856-9000, as listed in official Medicare / NPI Registry data.
- What is James W. Loo's NPI number?
- 1427028836. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where James W. Loo works
Medicare's Facility Affiliation Data lists James W. Loo at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
Practice locations
Addresses where James W. Loo is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 N Oak StHinsdale, IL 60521 (630) 856‑9000
- 1423 Chicago RdChicago Heights, IL 60411 (708) 756‑1000
- 5101 Willow Springs RdLa Grange, IL 60525 (708) 352‑1200
Group practices
Medicare enrollment lists James W. Loo as a member of this group (CMS data updated 2026-10-02).
- Northstar Anesthesia of Illinois, LLC409 clinicians in the group
Specialties
- Anesthesiologyprimary
Other anesthesiologists in Hinsdale
Clinicians with the same Medicare primary specialty in Hinsdale, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1989 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1427028836 |
| 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