Gregory Allen Calloway, D.D.S.
NPI 1083900021ActiveIndividual· Dentist, General Practice· Lees Summit, MO
Dentist, General Practice (D.D.S.) in Lees Summit, Missouri, licensed in MO, with an NPI issued in June 2011. Part D covered 80 prescriptions written in 2024, 100% of them generic. Straumann USA LLC reported $615.15 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1083900021 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.D.S. |
| Sole proprietor | Yes |
| NPI issued | Jun 28, 2011 |
| Last updated in NPPES | Aug 12, 2024 |
| Certified by provider | Aug 12, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 2011014433 | 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 Order and Referring Only - Dentist (TX) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 80 · 80 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $165.27 |
| Generic share | 100% of claims |
Industry payments (Open Payments)
- 2025$615.15 · 8 payments from 1 company
- 2024$43.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Straumann USA LLC | $615.15 | 8 |
What the 2025 payments were for
- Food and Beverage$419.71 · 4 payments
- Education$100.00 · 1 payment
- Gift$95.44 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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