Tristan Simmons, DO
NPI 1033564380ActiveIndividual· Emergency Medicine· Tucson, AZ
Emergency Medicine (DO) in Tucson, Arizona, trained at Philadelphia College of Osteopathic Medicine (class of 2016). 916 Medicare patients in 2024, $132,935 paid; nearly all of their 364 Part D prescriptions were generic (93%).
Overview
| NPI | 1033564380 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 24, 2016 |
| Last updated in NPPES | Aug 31, 2022 |
| Certified by provider | Aug 31, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 20A20125 | CA |
| Emergency Medicine | 207P00000X | 007933 | AZ |
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 (AZ); Practitioner - Emergency Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 916 |
|---|---|
| Services billed | 1,100 across 36 procedure codes |
| Paid by Medicare | $132,935 |
Part D prescriptions in 2024
| Prescriptions (claims) | 364 · 365 30-day fills |
|---|---|
| Patients | 235 |
| Total drug cost | $6,274 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Philadelphia College of Osteopathic Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Emergency Medicine |
Medical groups
- Cep America - CaliforniaPomona, CA · 1,292 clinicians
- Generations Urgent CareRedding, CA · 9 clinicians
Hospital affiliations
- Mercy Medical Center ReddingRedding, CA
- St Elizabeth Community HospitalRed Bluff, 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 440 emergency medicine physicians in Tucson · All emergency medicine physicians in Arizona