Catherine Filley Howe, MD
NPI 1033573845ActiveIndividual· Internal Medicine, Gastroenterology· Saint Louis, MO
Internal Medicine, Gastroenterology (MD) in Saint Louis, Missouri, trained at Virginia Commonwealth University, School of Medicine (class of 2016). Their prescriptions cost Medicare Part D more than their services did: $82,065 for 1,140 claims, against $39,823 paid for services in 2024. Genzyme Corporation was the largest of 2 companies reporting payments in 2025, $103.08 in all, mostly food and beverage.
Overview
| NPI | 1033573845 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 7, 2016 |
| Last updated in NPPES | Jan 3, 2024 |
| Certified by provider | Jan 3, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 2022027464 | 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 - Gastroenterology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 249 |
|---|---|
| Services billed | 347 across 26 procedure codes |
| Paid by Medicare | $39,823 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,140 · 2,280 30-day fills |
|---|---|
| Patients | 518 |
| Total drug cost | $82,065 |
| Generic share | 95% of claims |
Education and affiliations
| Medical school | Virginia Commonwealth University, School of Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Gastroenterology |
Medical group
- Mercy Clinic Gastroenterology LLCWashington, MO · 67 clinicians
Hospital affiliations
- Mercy Hospital St LouisSaint Louis, MO
- St Lukes HospitalChesterfield, MO
Industry payments (Open Payments)
- 2025$103.08 · 4 payments from 2 companies
- 2024$66.54 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $63.22 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $39.86 | 2 |
What the 2025 payments were for
- Food and Beverage$103.08 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other gastroenterologists in Saint Louis
- 1003540394
- 1013930585
- 1023245859
- 1033365358
- 1043482375
- 1053626242
- 1073856027
- 1083060701
- 1083917090
- 1124255849
- 1144264698
- 1144556499
All 176 gastroenterologists in Saint Louis · All gastroenterologists in Missouri