Shannon Michelle Root Bast, PA
NPI 1760946669ActiveIndividual· Physician Assistant· Bridgeton, MO
Physician Assistant (PA) with Ssm Medical Group Inc, practicing in Bridgeton, Missouri. Their prescriptions cost Medicare Part D more than their services did: $360,383 for 1,530 claims, against $7,536 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) reported $92.19 in payments in 2025, mostly food and beverage. Lists Ssm Health Depaul Hospital St Louis and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1760946669 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | Yes |
| NPI issued | Jan 24, 2019 |
| Last updated in NPPES | Mar 6, 2026 |
| Certified by provider | Mar 6, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 2020023147 | MO |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 109 |
|---|---|
| Services billed | 139 across 10 procedure codes |
| Paid by Medicare | $7,536 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,530 · 3,375 30-day fills |
|---|---|
| Patients | 443 |
| Total drug cost | $360,383 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Ssm Medical Group IncSaint Charles, MO · 568 clinicians
Hospital affiliations
- Ssm Health Depaul Hospital St LouisBridgeton, MO
- Ssm St Clare Health CenterFenton, MO
- Ssm St Joseph Health CenterSaint Charles, MO
- Ssm St Joseph Hospital WestLake Saint Louis, MO
Industry payments (Open Payments)
- 2025$92.19 · 1 payment from 1 company
- 2024$519.86 · 6 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $92.19 | 1 |
What the 2025 payments were for
- Food and Beverage$92.19 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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