Quick answers
- Which hospitals does Mark Chatkin work at?
- Medicare's official clinician data lists Mark Chatkin at 1 hospital: Northwest Community Hospital 1. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Mark Chatkin see patients?
- Medicare's clinician data lists 2 practice locations, including Evanston, IL and Arlington Heights, IL. Call before your visit to confirm the address.
- What is Mark Chatkin's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Mark Chatkin accept Medicare assignment?
- Yes. Medicare's clinician data says Mark Chatkin 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 Mark Chatkin?
- (847) 618-1000, as listed in official Medicare / NPI Registry data.
- What is Mark Chatkin's NPI number?
- 1841812906. 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 Chatkin works
Medicare's Facility Affiliation Data lists Mark Chatkin at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Northwest Community Hospital 1Arlington Heights, IL · Acute Care Hospital · CCN 140252
Practice locations
Addresses where Mark Chatkin is enrolled with Medicare (CMS data updated 2026-10-02).
- 2650 Ridge AveEvanston, IL 60201
- 800 W Central RdArlington Heights, IL 60005 (847) 618‑1000
Group practices
Medicare enrollment lists Mark Chatkin as a member of this group (CMS data updated 2026-10-02).
- Endeavor Health Medical Group3,350 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Evanston
Clinicians with the same Medicare primary specialty in Evanston, IL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Midwestern University, Chicago College Of Osteopathic Med |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841812906 |
| 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