Quick answers
- Which hospitals does Ajay Bajaj work at?
- Medicare's official clinician data lists Ajay Bajaj at 5 hospitals: Advocate Christ Hospital & Medical Center, Advocate Good Samaritan Hospital, Northwestern Medicine Central Dupage Hospital, OSF Little Company of Mary Medical Center and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Ajay Bajaj see patients?
- Medicare's clinician data lists 1 practice location in Oak Lawn, IL. Call before your visit to confirm the address.
- What is Ajay Bajaj's specialty?
- Medicare lists Gastroenterology as the primary specialty.
- Does Ajay Bajaj accept Medicare assignment?
- Yes. Medicare's clinician data says Ajay Bajaj 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 Ajay Bajaj offer telehealth?
- Medicare's clinician data says Ajay Bajaj offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Ajay Bajaj?
- (708) 499-5678, as listed in official Medicare / NPI Registry data.
- What is Ajay Bajaj's NPI number?
- 1518943513. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Ajay Bajaj works
Medicare's Facility Affiliation Data lists Ajay Bajaj at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Advocate Christ Hospital & Medical CenterOak Lawn, IL · Acute Care Hospital · CCN 140208
- Advocate Good Samaritan HospitalDowners Grove, IL · Acute Care Hospital · CCN 140288
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- OSF Little Company of Mary Medical CenterEvergreen Park, IL · Acute Care Hospital · CCN 140179
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Ajay Bajaj is enrolled with Medicare (CMS data updated 2026-10-02).
- 9921 Southwest HwyOak Lawn, IL 60453 (708) 499‑5678
Group practices
Medicare enrollment lists Ajay Bajaj as a member of this group (CMS data updated 2026-10-02).
- Gi Partners of Illinois PLLC39 clinicians in the group
Specialties
- Gastroenterologyprimary
Other gastroenterologists in Oak Lawn
Clinicians with the same Medicare primary specialty in Oak Lawn, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1983 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1518943513 |
| 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