Quick answers
- Which hospitals does John C. Liu work at?
- Medicare's official clinician data lists John C. Liu at 5 hospitals: Loyola University Medical Center, OSF Little Company of Mary Medical Center, UChicago Medicine AdventHealth Bolingbrook, UChicago Medicine AdventHealth Hinsdale and UChicago Medicine AdventHealth La Grange. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Liu see patients?
- Medicare's clinician data lists 4 practice locations, including Hinsdale, IL, Bolingbrook, IL and Warrenville, IL. Call before your visit to confirm the address.
- What is John C. Liu's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does John C. Liu accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Liu 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 C. Liu offer telehealth?
- Medicare's clinician data says John C. Liu offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John C. Liu?
- (331) 252-4078, as listed in official Medicare / NPI Registry data.
- What is John C. Liu's NPI number?
- 1689770232. 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 C. Liu works
Medicare's Facility Affiliation Data lists John C. Liu at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Loyola University Medical CenterMaywood, IL · Acute Care Hospital · CCN 140276
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- UChicago Medicine AdventHealth BolingbrookBolingbrook, IL · Acute Care Hospital · CCN 140304
- UChicago Medicine AdventHealth HinsdaleHinsdale, IL · Acute Care Hospital · CCN 140122
- UChicago Medicine AdventHealth La GrangeLa Grange, IL · Acute Care Hospital · CCN 140065
Practice locations
Addresses where John C. Liu is enrolled with Medicare (CMS data updated 2026-10-02).
- 120 N Oak StHinsdale, IL 60521
- 396 Remington BlvdBolingbrook, IL 60440
- 4200 Cantera Dr, Suite 114Warrenville, IL 60555 (331) 252‑4078
- 630 E N AveCarol Stream, IL 60188 (630) 458‑5300
Group practices
Medicare enrollment lists John C. Liu as a member of these groups (CMS data updated 2026-10-02).
- Adventist Health Partners, Inc.255 clinicians in the group
- At Home Care Physicians PLLC4 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Hinsdale
Clinicians with the same Medicare primary specialty in Hinsdale, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2000 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1689770232 |
| 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