Michael William Nash, M.D.
Family Medicine (M.D.) in Saint Louis, Missouri, trained at Saint Louis University School of Medicine (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $441,977 for 8,812 claims, against $34,886 paid for services in 2024. 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 | 1376577825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 10, 2006 |
| Last updated in NPPES | Jul 21, 2026 |
| Certified by provider | Jul 21, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 2017029652 | MO |
| Family Medicine | 207Q00000X | 036-115521 | IL |
Exclusion screening
Possible match: verify before acting. The OIG list has a record with the same name in Missouri, 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 | Michael Leon Nash · Personal Care Provid | 1128a1 | Jun 17, 2021 | Springfield, MO |
| 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 - Family Practice (IL); Practitioner - Family Practice (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 195 |
|---|---|
| Services billed | 395 across 12 procedure codes |
| Paid by Medicare | $34,886 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,812 · 8,935 30-day fills |
|---|---|
| Patients | 318 |
| Total drug cost | $441,977 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | Saint Louis University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Family Practice |
Medical group
- Mercy Clinic East CommunitiesSaint Louis, MO · 571 clinicians
Hospital affiliations
- Boone Hospital CenterColumbia, MO
- Christian Hospital NortheastSaint Louis, MO
- Missouri Baptist Sullivan HospitalSullivan, MO
Other facilities
- Delmar Gardens Home Care IncHome health agency · Chesterfield, MO
- Alternative Hospice, LLCHospice · Fenton, MO
- Bethesda Hospice CareHospice · Saint Louis, MO
- Mercy HospiceHospice · Saint Louis, MO
- New Haven Hospice Care, IncHospice · New Haven, MO
- Preferred Hospice of Missouri (Northeast)Hospice · Ballwin, MO
- Bethesda DilworthNursing home · Saint Louis, MO
- Bethesda SouthgateNursing home · Saint Louis, MO
- Crystal OaksNursing home · Festus, MO
- Grandview Healthcare CenterNursing home · Washington, MO
- Meramec NursingNursing home · Sullivan, MO
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Saint Louis
- 1003922634
- 1003962820
- 1023218757
- 1033599923
- 1043454812
- 1053938217
- 1063040574
- 1073174751
- 1073586848
- 1083760599
- 1093896201
- 1124548102
All 396 family medicine physicians in Saint Louis · All family medicine physicians in Missouri