Gregory Thomas Hartt, M.D.
NPI 1972710895ActiveIndividual· Emergency Medicine· Redding, CA
Emergency Medicine (M.D.) in Redding, California, licensed in CA, with an NPI issued in May 2007. In 2024 Medicare paid $102,790 for 698 patients, and Part D covered 274 of their prescriptions, 89% of them generic.
Overview
| NPI | 1972710895 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Oct 12, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A98062 | CA |
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 - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 698 |
|---|---|
| Services billed | 798 across 40 procedure codes |
| Paid by Medicare | $102,790 |
Part D prescriptions in 2024
| Prescriptions (claims) | 274 · 280 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $17,475 |
| Generic share | 89% 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 54 emergency medicine physicians in Redding · All emergency medicine physicians in California