Shannon L. Gilliam, PA
NPI 1972548584ActiveIndividual· Physician Assistant, Medical· Waldorf, MD
Physician Assistant, Medical (PA) with Capital Critical Care, LLC, practicing in Waldorf, Maryland. Mostly services rather than prescriptions: Medicare paid $16,981 for 73 patients in 2024, with only 43 Part D claims. Boston Scientific Corporation was the largest of 4 companies reporting payments in 2024, $138.49 in all, mostly food and beverage. Lists Holy Cross Hospital as a hospital affiliation.
Overview
| NPI | 1972548584 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Jun 18, 2006 |
| Last updated in NPPES | Feb 24, 2020 |
| Certified by provider | Feb 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | C0003161 | MD |
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 (DC); Practitioner - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 73 |
|---|---|
| Services billed | 163 across 9 procedure codes |
| Paid by Medicare | $16,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 102 30-day fills |
|---|---|
| Patients | 14 |
| Total drug cost | $9,654 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Capital Critical Care, LLCSilver Spring, MD · 21 clinicians
Hospital affiliation
- Holy Cross HospitalSilver Spring, MD
Industry payments (Open Payments)
- 2024$138.49 · 6 payments from 4 companies
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Boston Scientific Corporation | $58.86 | 2 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $44.95 | 2 |
| Pfizer Inc. | $17.86 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $16.82 | 1 |
What the 2024 payments were for
- Food and Beverage$138.49 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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