Lawrence Paul Groh, DDS
NPI 1639236334ActiveIndividual· Dentist, General Practice· Elmhurst, IL
Opted out of Medicare from June 2017 to June 2027. Dentist, General Practice (DDS) in Elmhurst, Illinois, licensed in IL, with an NPI issued in January 2007. Part D covered 62 prescriptions written in 2024, 60% of them generic.
Overview
| NPI | 1639236334 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DDS |
| Sole proprietor | No |
| NPI issued | Jan 2, 2007 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Dentist, General Practice Primary | 1223G0001X | 19A-14858 | IL |
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 Jun 23, 2017 – Jun 23, 2027 |
| 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) | 62 · 71 30-day fills |
|---|---|
| Patients | 38 |
| Total drug cost | $508.61 |
| Generic share | 60% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 58 general dentists in Elmhurst · All general dentists in Illinois