Maxina Greenberg, DDS
NPI 1407214117ActiveIndividual· Dentist, General Practice· Columbia, MD
Opted out of Medicare from January 2022 to January 2028. Dentist, General Practice (DDS) in Columbia, Maryland, licensed in MD, with an NPI issued in February 2016. Part D covered 43 prescriptions written in 2024, 79% of them generic. Zimvie Inc. was the largest of 3 companies reporting payments in 2025, $2,719 in all, mostly travel and lodging.
Overview
| NPI | 1407214117 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | Yes |
| NPI issued | Feb 9, 2016 |
| Last updated in NPPES | Aug 22, 2025 |
| Certified by provider | Aug 22, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 16233 | MD |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jan 28, 2022 – Jan 28, 2028 |
| Can order and refer | Yes |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 47 30-day fills |
|---|---|
| Patients | 25 |
| Total drug cost | $241.02 |
| Generic share | 79% of claims |
Industry payments (Open Payments)
- 2025$2,719 · 25 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimvie Inc. | $2,694 | 23 |
| Solventum Corporation | $14.56 | 1 |
| Align Technology, Inc. | $10.37 | 1 |
What the 2025 payments were for
- Travel and Lodging$2,313 · 16 payments
- Food and Beverage$356.14 · 8 payments
- Education$50.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 97 general dentists in Columbia · All general dentists in Maryland