Mark Baker, M.D.
NPI 1023469640ActiveIndividual· Emergency Medicine· Pittsfield, IL
Emergency Medicine (M.D.) in Pittsfield, Illinois, trained at University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) (class of 2016). 733 Medicare patients in 2024, $96,956 paid; nearly all of their 239 Part D prescriptions were generic (92%). A record with the same name and state is on the OIG exclusion list; it carries no NPI, so check it before acting.
Overview
| NPI | 1023469640 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 24, 2016 |
| Last updated in NPPES | Sep 17, 2026 |
| Certified by provider | Sep 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 036148580 | IL |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Illinois, but that record carries no NPI, so it may be a different person or business.
| Matched by | Name on OIG list | Exclusion type | Excluded since | Location |
|---|---|---|---|---|
| Name + state | Mark A. Baker · Technician | 1128b4 | Oct 19, 2000 | Venice, IL |
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | Possible (name) | See above |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (IL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 733 |
|---|---|
| Services billed | 848 across 24 procedure codes |
| Paid by Medicare | $96,956 |
Part D prescriptions in 2024
| Prescriptions (claims) | 239 · 241 30-day fills |
|---|---|
| Patients | 181 |
| Total drug cost | $3,605 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | University of Illinois College of Med (Chi/Peor/Rock/Chm-Urb) |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Blessing HospitalQuincy, IL · 421 clinicians
- Blessingcare CorporationPittsfield, IL · 22 clinicians
Hospital affiliations
- Blessing HospitalQuincy, IL
- Illini Community HospitalPittsfield, 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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