Sean Grammy, D.O.
NPI 1982832127ActiveIndividual· Emergency Medicine· Antioch, CA
Emergency Medicine (D.O.) in Antioch, California, licensed in CA, with an NPI issued in June 2009. 596 Medicare patients in 2024, $95,600 paid; nearly all of their 412 Part D prescriptions were generic (92%).
Overview
| NPI | 1982832127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 25, 2009 |
| Last updated in NPPES | Jul 28, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A13122 | CA |
| Internal Medicine | 207R00000X | 20A13122 | CA |
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) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 596 |
|---|---|
| Services billed | 718 across 35 procedure codes |
| Paid by Medicare | $95,600 |
Part D prescriptions in 2024
| Prescriptions (claims) | 412 · 414 30-day fills |
|---|---|
| Patients | 263 |
| Total drug cost | $9,593 |
| Generic share | 92% of claims |
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Emergency Medicine providers in Antioch
- 1912930421
- 1417035577
- 1174601231
- 1770502148
- 1821351909
- 1285863712
- 1053499145
- 1053330431
- 1689967309
- 1972958627
- 1609954791
- 1033130711