Alison R. Stewart, D.O.
NPI 1487735163ActiveIndividual· Emergency Medicine· Mission Hills, CA
Emergency Medicine (D.O.) with Gem Medical Group Corporation, practicing in Mission Hills, California. 277 Medicare patients in 2024, $47,054 paid; nearly all of their 236 Part D prescriptions were generic (96%). Astrazeneca Pharmaceuticals LP reported $117.24 in payments in 2024, mostly food and beverage. Lists Whittier Hospital Medical Center as a hospital affiliation.
Overview
| NPI | 1487735163 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Oct 18, 2006 |
| Last updated in NPPES | Mar 7, 2022 |
| Certified by provider | Mar 7, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A9947 | CA |
| Emergency Medicine | 207P00000X | 036108148 | 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) | Enrolled Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 277 |
|---|---|
| Services billed | 565 across 13 procedure codes |
| Paid by Medicare | $47,054 |
Part D prescriptions in 2024
| Prescriptions (claims) | 236 · 239 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $2,841 |
| Generic share | 96% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Emergency Medicine |
Medical group
- Gem Medical Group CorporationSouth El Monte, CA · 57 clinicians
Hospital affiliation
- Whittier Hospital Medical CenterWhittier, CA
Industry payments (Open Payments)
- 2024$117.24 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $117.24 | 1 |
What the 2024 payments were for
- Food and Beverage$117.24 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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