Quick answers
- Which hospitals does Mark R. Sinibaldi work at?
- Medicare's official clinician data lists Mark R. Sinibaldi at 2 hospitals: Northwestern Medicine Central Dupage Hospital and Palos Community Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark R. Sinibaldi see patients?
- Medicare's clinician data lists 4 practice locations, including Palos Heights, IL, Orland Park, IL and Wheaton, IL. Call before your visit to confirm the address.
- What is Mark R. Sinibaldi's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mark R. Sinibaldi accept Medicare assignment?
- Yes. Medicare's clinician data says Mark R. Sinibaldi 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 Mark R. Sinibaldi offer telehealth?
- Medicare's clinician data says Mark R. Sinibaldi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Mark R. Sinibaldi?
- (708) 923-5869, as listed in official Medicare / NPI Registry data.
- What is Mark R. Sinibaldi's NPI number?
- 1376581413. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Mark R. Sinibaldi works
Medicare's Facility Affiliation Data lists Mark R. Sinibaldi at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwestern Medicine Central Dupage HospitalWinfield, IL · Acute Care Hospital · CCN 140242
- Palos Community HospitalPalos Heights, IL · Acute Care Hospital · CCN 140062
Practice locations
Addresses where Mark R. Sinibaldi is enrolled with Medicare (CMS data updated 2026-10-02).
- 12251 S 80th AvePalos Heights, IL 60463 (708) 923‑5869
- 12251 S 80th Ave, Suite 1780Palos Heights, IL 60463 (708) 923‑3420
- 15300 W Ave Bldg A, Suite 100Orland Park, IL 60462 (708) 226‑2626
- 1800 N Main StWheaton, IL 60187 (630) 933‑4800
Group practices
Medicare enrollment lists Mark R. Sinibaldi as a member of this group (CMS data updated 2026-10-02).
- Central Dupage Physician Group1,080 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Palos Heights
Clinicians with the same Medicare primary specialty in Palos Heights, IL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Loyola University Of Chicago, Stritch School Of Medicine |
| Graduation year | 1973 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1376581413 |
| 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