Quick answers
- Which hospitals does Matthew Weiss work at?
- Medicare's official clinician data lists Matthew Weiss at 4 hospitals: Clark Fork Valley Hospital, 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 Matthew Weiss see patients?
- Medicare's clinician data lists 1 practice location in Hinsdale, IL. Call before your visit to confirm the address.
- What is Matthew Weiss's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Gastroenterology.
- Does Matthew Weiss accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Weiss 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 Matthew Weiss offer telehealth?
- Medicare's clinician data says Matthew Weiss offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Matthew Weiss?
- (630) 789-2260, as listed in official Medicare / NPI Registry data.
- What is Matthew Weiss's NPI number?
- 1275023277. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Weiss works
Medicare's Facility Affiliation Data lists Matthew Weiss at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Clark Fork Valley HospitalPlains, MT · Critical Access Hospital · CCN 271323
- 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 Matthew Weiss is enrolled with Medicare (CMS data updated 2026-10-02).
- 12 Salt Creek Ln, Suite 425Hinsdale, IL 60521 (630) 789‑2260
Group practices
Medicare enrollment lists Matthew Weiss as a member of this group (CMS data updated 2026-10-02).
- Illinois Gastroenterology Group LLC115 clinicians in the group
Specialties
- Internal Medicineprimary
- Gastroenterologyalso
Other internal medicine doctors 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 | 2018 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1275023277 |
| 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