Sierra Simmons, M.D.
NPI 1750726014ActiveIndividual· Pathology, Blood Banking & Transfusion Medicine· Orange, CA
Pathology, Blood Banking & Transfusion Medicine (M.D.) in Orange, California, trained at University of Nevada School of Medicine (class of 2013). Enrolled in Medicare as practitioner - pathology. Janssen Biotech, Inc. was the largest of 3 companies reporting payments in 2025, $449.19 in all, mostly food and beverage.
Overview
| NPI | 1750726014 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Apr 30, 2013 |
| Last updated in NPPES | Oct 21, 2024 |
| Certified by provider | Oct 21, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pathology, Blood Banking & Transfusion Medicine Primary | 207ZB0001X | C-192196 | 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 - Pathology (CA) |
|---|
Education and affiliations
| Medical school | University of Nevada School of Medicine |
|---|---|
| Graduation year | 2013 |
| Medicare specialty | Pathology |
Medical group
- Regents of the University of CaliforniaOrange, CA · 41 clinicians
Hospital affiliation
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$449.19 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $270.54 | 2 |
| Alexion Pharmaceuticals, Inc. | $130.51 | 1 |
| Abbott Laboratories | $48.14 | 2 |
What the 2025 payments were for
- Food and Beverage$449.19 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Pathology, Blood Banking & Transfusion Medicine providers in Orange
- 1386999175
- 1225340722
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