Doctor profile · Federal record

Dr. Tristan Simmons, DO

Emergency Medicine Physician (CMS: Emergency Medicine) · Emergency Medicine Physician · Tucson, AZ

  • NPI 1033564380
  • Accepts Medicare
  • MIPS 86.3 / 100 · 2023
  • 10 yrs in practice
  • Licensed in 2 states
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
6200 N la Cholla Blvd
Tucson, AZ 857413529
(520) 740-9000

Credentials & registration

NPPES · NUCC
NPI registered
April 2016 — 10 yrs on file
Profile last updated
August 31, 2022
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
207P00000X — NUCC code
State licenses (2)
California #20A20125 · Arizona #007933

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1033564380. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
899
Distinct HCPCS
4
Medicare allowed
$149,270
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 644 619 $173
99284 Emergency department visit with moderate level of medical decision making 136 136 $119
99291 Critical care, first 30-74 minutes 101 97 $211
93308 Ultrasound of heart, follow-up 18 18 $25

In context: peer comparison

Among 97 peers in Tucson Emergency Medicine Physician, average services per provider: 82. This provider delivers 11× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
171
Patients
171
Total drug cost
$1,623
Drug Type Claims Patients Total cost
Prednisone Generic 26 26 $79
Azithromycin Generic 20 20 $109
Cyclobenzaprine Hcl Generic 20 20 $79
Cefdinir Generic 19 19 $424
Ibuprofen Generic 18 18 $29
Albuterol Sulfate Hfa (Albuterol Sulfate) Brand 15 15 $478
Clindamycin Hcl Generic 15 15 $211
Ondansetron Hcl Generic 14 14 $94
Amoxicillin Generic 13 13 $95
Oxycodone-Acetaminophen (Oxycodone Hcl/Acetaminophen) Brand 11 11 $26

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Tristan Simmons's medical specialty?
Dr. Tristan Simmons practices Emergency Medicine Physician in Tucson, AZ.
Where does Dr. Tristan Simmons practice?
Dr. Tristan Simmons practices at 6200 N la Cholla Blvd, Tucson, AZ 857413529. Office phone: 5207409000.
What is Dr. Tristan Simmons's NPI?
Dr. Tristan Simmons's National Provider Identifier (NPI) is 1033564380, issued by NPPES.
Does Dr. Tristan Simmons accept Medicare assignment?
Yes. Dr. Tristan Simmons accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Tristan Simmons commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Critical care (HCPCS 99291). Source: CMS Medicare Physician & Other Practitioners file.