Greta-Anne Marie Castonguay Whiteside, DMD
NPI 1649808262ActiveIndividual· Dentist· Roanoke, VA
Dentist (DMD) with Carilion Medical Center, practicing in Roanoke, Virginia. Mostly services rather than prescriptions: Medicare paid $772.30 for 12 patients in 2024, with only 44 Part D claims. Solventum Corporation reported $27.76 in payments in 2025, mostly food and beverage. Lists Carilion Medical Center as a hospital affiliation.
Overview
| NPI | 1649808262 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DMD |
| Sole proprietor | No |
| NPI issued | Mar 30, 2020 |
| Last updated in NPPES | Feb 13, 2024 |
| Certified by provider | Feb 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist Primary | 122300000X | 0401416979 | VA |
| Dentist | 122300000X | 04401416979 | VA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Dentist (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 25 across 4 procedure codes |
| Paid by Medicare | $772.30 |
Part D prescriptions in 2024
| Prescriptions (claims) | 44 · 50 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $370.81 |
| Generic share | 48% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Dentist |
Medical group
- Carilion Medical CenterRoanoke, VA · 977 clinicians
Hospital affiliation
- Carilion Medical CenterRoanoke, VA
Industry payments (Open Payments)
- 2025$27.76 · 1 payment from 1 company
- 2024$290.70 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Solventum Corporation | $27.76 | 1 |
What the 2025 payments were for
- Food and Beverage$27.76 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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