Shannon Michelle Grabosch, M.D.
NPI 1003136151ActiveIndividual· Obstetrics & Gynecology, Gynecologic Oncology· Saint Louis, MO
Obstetrics & Gynecology, Gynecologic Oncology (M.D.) in Saint Louis, Missouri, trained at University of Kansas School of Med (Kc/Wich/Sal) (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $80,331 for 511 claims, against $42,863 paid for services in 2024. Eisai Inc. was the largest of 2 companies reporting payments in 2025, $47.60 in all, mostly food and beverage.
Overview
| NPI | 1003136151 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jun 10, 2010 |
| Last updated in NPPES | Jan 14, 2021 |
| Certified by provider | Jan 14, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology, Gynecologic Oncology Primary | 207VX0201X | 2018006396 | MO |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
| Obstetrics & Gynecology | 207V00000X | 2010021063 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gynecological Oncology (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 126 |
|---|---|
| Services billed | 354 across 54 procedure codes |
| Paid by Medicare | $42,863 |
Part D prescriptions in 2024
| Prescriptions (claims) | 511 · 685 30-day fills |
|---|---|
| Patients | 112 |
| Total drug cost | $80,331 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | University of Kansas School of Med (Kc/Wich/Sal) |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Gynecological Oncology |
| Secondary specialties | Obstetrics/Gynecology |
| Telehealth | Offers telehealth |
Medical group
- Ssm Health Care GroupSaint Louis, MO · 940 clinicians
Hospital affiliations
- Ssm Health Depaul Hospital St LouisBridgeton, MO
- Ssm Health Saint Louis University HospitalSaint Louis, MO
- Ssm Health St Mary's Hospital - St LouisSaint Louis, MO
- Ssm St Joseph Health CenterSaint Charles, MO
- St Lukes HospitalChesterfield, MO
Other facilities
- Ssm Health Rehabilitation HospitalInpatient rehabilitation facility · Richmond Heights, MO
Industry payments (Open Payments)
- 2025$47.60 · 2 payments from 2 companies
- 2024$199.20 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Eisai Inc. | $24.93 | 1 |
| Glaxosmithkline, LLC. | $22.67 | 1 |
What the 2025 payments were for
- Food and Beverage$47.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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