Frederick C. Lewis Jr., M.D.
NPI 1881650307ActiveIndividual· Anesthesiology· Chesterfield, MO
Anesthesiology (M.D.) in Chesterfield, Missouri, trained at Yale University School of Medicine (class of 2002). Medicare paid $21,818 for services to 138 patients in 2024. Merck Sharp & Dohme LLC reported $47.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1881650307 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 24, 2006 |
| Last updated in NPPES | Jul 13, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 2006001776 | MO |
| Anesthesiology | 207L00000X | 46171 | WI |
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 - Anesthesiology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 138 |
|---|---|
| Services billed | 153 across 40 procedure codes |
| Paid by Medicare | $21,818 |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Anesthesiology |
Medical groups
- Western Anesthesiology Associates IncChesterfield, MO · 256 clinicians
- Metro-West Anesthesia Group IncSaint Charles, MO · 205 clinicians
Hospital affiliation
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$47.54 · 2 payments from 1 company
- 2024$24.84 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $47.54 | 2 |
What the 2025 payments were for
- Food and Beverage$47.54 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 anesthesiologists in Chesterfield · All anesthesiologists in Missouri