Jay Donald Grassell, MD
NPI 1821029687ActiveIndividual· Hospitalist· Marysville, CA
Hospitalist (MD) in Marysville, California, trained at Medical College of Wisconsin (class of 1981). Medicare paid $21,558 for services to 157 patients in 2024.
Overview
| NPI | 1821029687 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 6, 2006 |
| Last updated in NPPES | Nov 19, 2021 |
| Certified by provider | Nov 19, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | G63050 | CA |
| Family Medicine | 207Q00000X | G063050 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 157 |
|---|---|
| Services billed | 161 across 4 procedure codes |
| Paid by Medicare | $21,558 |
Education and affiliations
| Medical school | Medical College of Wisconsin |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Family Practice |
Medical group
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
Hospital affiliation
- Adventist Health and RideoutMarysville, CA
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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