Mark Vincent Griesemer, D.O.
NPI 1295990059ActiveIndividual· Emergency Medicine· Springfield, MO
Emergency Medicine (D.O.) in Springfield, Missouri, trained at Kansas City College of Medicine and Surgery (class of 2007). 140 Medicare patients in 2024, $17,943 paid; nearly all of their 117 Part D prescriptions were generic (97%).
Overview
| NPI | 1295990059 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jul 22, 2008 |
| Last updated in NPPES | Mar 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 2010015027 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| 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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 140 |
|---|---|
| Services billed | 153 across 10 procedure codes |
| Paid by Medicare | $17,943 |
Part D prescriptions in 2024
| Prescriptions (claims) | 117 · 120 30-day fills |
|---|---|
| Patients | 90 |
| Total drug cost | $1,307 |
| Generic share | 97% of claims |
Education and affiliations
| Medical school | Kansas City College of Medicine and Surgery |
|---|---|
| Graduation year | 2007 |
| Medicare specialty | Emergency Medicine |
Medical group
- Mercy Clinic Springfield CommunitiesLebanon, MO · 1,120 clinicians
Hospital affiliations
- Mercy Hospital AuroraAurora, MO
- Mercy Hospital SpringfieldSpringfield, MO
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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All 124 emergency medicine physicians in Springfield · All emergency medicine physicians in Missouri