Gregory Berlin, PH.D.
NPI 1720650211ActiveIndividual· Psychologist· Greenwich, CT
Opted out of Medicare from July 2025 to July 2027. Psychologist (PH.D.) in Greenwich, Connecticut, with an NPI issued in July 2021. Medicare paid $5,747 for services to 24 patients in 2024.
Overview
| NPI | 1720650211 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PH.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 14, 2021 |
| Last updated in NPPES | Oct 8, 2021 |
| Certified by provider | Oct 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Psychologist Primary | 103T00000X | — | — |
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) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Jul 1, 2025 – Jul 1, 2027 |
| Can order and refer | No |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 24 |
|---|---|
| Services billed | 133 across 5 procedure codes |
| Paid by Medicare | $5,747 |
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