Mikaela Tristan Middleton, MD
NPI 1427636026ActiveIndividual· Emergency Medicine· Vallejo, CA
Emergency Medicine (MD) in Vallejo, California, trained at University of Washington School of Medicine (class of 2021). 35 Medicare patients in 2024, $5,058 paid; nearly all of their 68 Part D prescriptions were generic (93%).
Overview
| NPI | 1427636026 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Apr 1, 2021 |
| Last updated in NPPES | Aug 30, 2025 |
| Certified by provider | Aug 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | A194956 | 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 | 35 |
|---|---|
| Services billed | 44 across 9 procedure codes |
| Paid by Medicare | $5,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 68 · 69 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $1,089 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2021 |
| Medicare specialty | Emergency Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliations
- Kaiser Foundation Hospital - VacavilleVacaville, CA
- Kaiser Foundation Hospital and Rehab CenterVallejo, 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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All 58 emergency medicine physicians in Vallejo · All emergency medicine physicians in California