Megan M. Gau, MD
NPI 1457383796ActiveIndividual· Radiology, Diagnostic Radiology· Bridgeton, MO
Radiology, Diagnostic Radiology (MD) in Bridgeton, Missouri, trained at Indiana University School of Medicine (class of 2000). Medicare paid $205,680 for services to 5,135 patients in 2024. Ethicon US, LLC reported $156.48 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1457383796 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 7, 2006 |
| Last updated in NPPES | Feb 26, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | — | 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 - Diagnostic Radiology (IN); Practitioner - Diagnostic Radiology (MO); Practitioner - Diagnostic Radiology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 5,135 |
|---|---|
| Services billed | 8,781 across 136 procedure codes |
| Paid by Medicare | $205,680 |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Diagnostic Radiology |
Medical groups
- Physician Specialists of St Lukes LLCChesterfield, MO · 82 clinicians
- Fort Wayne Radiology Associates LLCArchbold, OH · 36 clinicians
- Diagnostic Imaging Associates LtdChesterfield, MO · 19 clinicians
- Breast Diagnostic Center LLCFort Wayne, IN · 9 clinicians
Hospital affiliations
- Barnes Jewish HospitalSaint Louis, MO
- Barnes-Jewish West County HospitalCreve Coeur, MO
- Mercy Hospital St LouisSaint Louis, MO
- Missouri Baptist Medical CenterSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$156.48 · 2 payments from 1 company
- 2024$122.81 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ethicon US, LLC | $156.48 | 2 |
What the 2025 payments were for
- Food and Beverage$156.48 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 diagnostic radiologists in Bridgeton · All diagnostic radiologists in Missouri