Quick answers
- Where does Christopher M. Sullivan see patients?
- Medicare's clinician data lists 3 practice locations, including Orland Park, IL, La Grange Highlands, IL and Chicago, IL. Call before your visit to confirm the address.
- What is Christopher M. Sullivan's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Christopher M. Sullivan accept Medicare assignment?
- Yes. Medicare's clinician data says Christopher M. Sullivan 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 Christopher M. Sullivan?
- (888) 824-0200, as listed in official Medicare / NPI Registry data.
- What is Christopher M. Sullivan's NPI number?
- 1770648511. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Christopher M. Sullivan is enrolled with Medicare (CMS data updated 2026-10-02).
- 14290 S La Grange RdOrland Park, IL 60462
- 5201 Willow Springs Rd, Suite 340La Grange Highlands, IL 60525 (888) 824‑0200
- 5841 S Maryland AveChicago, IL 60637 (773) 702‑1000
Group practices
Medicare enrollment lists Christopher M. Sullivan as a member of these groups (CMS data updated 2026-10-02).
- University of Chicago1,712 clinicians in the group
- The University of Chicago Medical Center915 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Orland Park
Clinicians with the same Medicare primary specialty in Orland Park, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of California, Geffen School Of Medicine |
| Graduation year | 1980 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1770648511 |
| 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
- 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