Mark Chatkin, DO
NPI 1841812906ActiveIndividual· Psychiatry & Neurology, Psychiatry· Arlington Heights, IL
Psychiatry & Neurology, Psychiatry (DO) in Arlington Heights, Illinois, trained at Midwestern University, Chicago College of Osteopathic Med (class of 2020). 51 Medicare patients in 2024, $10,248 paid; nearly all of their 168 Part D prescriptions were generic (96%).
Overview
| NPI | 1841812906 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 12, 2020 |
| Last updated in NPPES | May 20, 2024 |
| Certified by provider | May 20, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychiatry & Neurology, Psychiatry Primary | 2084P0800X | 036168558 | IL |
| Psychiatry & Neurology, Psychiatry | 2084P0800X | 125.076394 | IL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Psychiatry (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 51 |
|---|---|
| Services billed | 111 across 7 procedure codes |
| Paid by Medicare | $10,248 |
Part D prescriptions in 2024
| Prescriptions (claims) | 168 · 248 30-day fills |
|---|---|
| Patients | 29 |
| Total drug cost | $10,273 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Midwestern University, Chicago College of Osteopathic Med |
|---|---|
| Graduation year | 2020 |
| Medicare specialty | Psychiatry |
Medical group
- Endeavor Health Medical GroupEvanston, IL · 3,350 clinicians
Hospital affiliation
- Northwest Community Hospital 1Arlington Heights, IL
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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