Tristan Simmons, DO
NPI 1033564380 · Emergency Medicine Physician · Tucson, AZ
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tristan Simmons, DO is a Emergency Medicine Physician provider in Tucson, AZ (NPI 1033564380).
Provider details
- NPI number
- 1033564380
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Male
- Sole proprietor
- Yes
- License
- 007933 (AZ)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure28% of score
10 yrs in NPPES registry
- Profile completeness28% of score
100% of core fields populated
- Practice footprint17% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)28% of score
1,026 Medicare services, 2024 (ranked within specialty)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Emergency Department Visit With High Level of Medical Decision Making99285 | 695 | $176 |
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 165 | $122 |
| Critical Care, First 30-74 Minutes99291 | 108 | $217 |
| Electrocardiogram (ecg) 1 to 3 Leads With Review By Physician Only93042 | 30 | $7 |
| Ultrasound of Heart, Follow-Up93308 | 16 | $26 |
| Emergent Insertion of Breathing Tube Into Windpipe Using an Endoscope31500 | 12 | $141 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 33 | 33 |
| Prednisone | 31 | 29 |
| Albuterol Sulfatebrand: Albuterol Sulfate Hfa | 26 | 26 |
| Azithromycin | 26 | 25 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 22 | 21 |
| Ondansetron Hcl | 21 | 21 |
| Cyclobenzaprine Hcl | 20 | 20 |
Practice location
Mailing address
Registry dates
- Enumerated
- 2016-04-24
- Last updated
- 2022-08-31
- Certified
- 2022-08-31
Frequently asked questions
- What is Tristan Simmons's NPI number?
- Tristan Simmons's National Provider Identifier (NPI) is 1033564380, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tristan Simmons's specialty?
- Tristan Simmons is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Tristan Simmons located?
- Tristan Simmons's practice location on file with NPPES is 6200 N La Cholla Blvd, Tucson, AZ 85741-3529.
- What is Tristan Simmons's phone number?
- The practice phone number listed in the NPPES registry for Tristan Simmons is (520) 740-9000.
- Does Tristan Simmons accept Medicare?
- Tristan Simmons is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tristan Simmons's NPI active?
- Yes — Tristan Simmons's NPI (1033564380) is active in the NPPES registry as of the last update on 2022-08-31.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.