Emergency Medicine Doctors in Arizona
Data updated monthly · Last refresh October 2026
1,498 Emergency Medicine providers practice in Arizona, including 12 (1%) offering telehealth. The largest concentration is in Tucson. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
1,498providers
12telehealth
Tucsontop city
Emergency Medicine by city in Arizona
Choose a city to see providers there.
Where Emergency Medicine Doctors in Arizona practice
From CMS Medicare enrollment records covering 654 of the 1,498 providers listed here (44%). Providers who do not bill Medicare are not included in these figures.
5%solo or small practice (under 10 clinicians)
42%mid-size group (10 to 99)
53%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Emergency Medicine Doctors | All clinicians in group | Main city |
| Tec Emergency Physicians of Arizona, LLC | 89 | 155 | Laveen |
| Emergency Professional Services PC | 59 | 107 | Phoenix |
| Emergency Group of Arizona Professional Corp.oration | 52 | 102 | Phoenix |
| Cep America- Arizona, PC | 41 | 89 | Sun City |
| Flagstaff Emergency Physicians | 36 | 43 | Flagstaff |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Emergency Medicine Doctors affiliated |
| Dignity Health Arizona General Hospital | Mesa | Nonprofit | 5 of 5 | 48 |
| Dignity Health - Arizona General Hospital | Laveen | For-profit | Not rated | 40 |
| Banner - University Medical Center Phoenix | Phoenix | Nonprofit | 3 of 5 | 39 |
| Tucson Medical Center | Tucson | Nonprofit | 2 of 5 | 37 |
| Banner - University Medical Center Tucson Campus | Tucson | Nonprofit | 3 of 5 | 36 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Emergency Medicine providers in Arizona
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
Dr. Delmar Layton, MDApache Junction, AZ · $23 in drug and device payments (2025) ·
(602) 839-6968 Dr. Walter Simmons, M.D., MPHAvondale, AZ · No drug or device payments recorded (2025) ·
(866) 888-7078 Dr. Amanda Shorette, MDBenson, AZ · No drug or device payments recorded (2025) ·
(520) 586-2261 Dr. John Waytuk, DOBenson, AZ · No drug or device payments recorded (2025) ·
(520) 586-2261 Dr. Joseph Rizza, MDBenson, AZ · No drug or device payments recorded (2025) ·
(520) 586-2261 Dr. Alexander Schoenfeld, M.D.Bisbee, AZ · No drug or device payments recorded (2025) ·
(520) 432-5383 Dr. Jessica Fontes, MDBisbee, AZ · No drug or device payments recorded (2025) ·
(520) 432-5383 Dr. Julia Brown, M.D.Bisbee, AZ · No drug or device payments recorded (2025) ·
(520) 432-5383 Dr. Shadd Cabalatungan, M.D.Bisbee, AZ · No drug or device payments recorded (2025) ·
(310) 618-4910 Dr. Leonard Yontz, M.D.Buckeye, AZ · No drug or device payments recorded (2025) ·
(623) 925-3980 Dr. Abhilasha Singh Jones, MDBullhead City, AZ · No drug or device payments recorded (2025) ·
(928) 444-1451 Dr. Andrew Brenner, MDBullhead City, AZ · No drug or device payments recorded (2025) ·
(217) 621-9007 Dr. John Davis, DOBullhead City, AZ · No drug or device payments recorded (2025) ·
(928) 763-2273 Dr. Comfort Hines, MDCasa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 955-4902 Dr. Daniel Choi, MDCasa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 381-6300 Dr. Fernando CortesCasa Grande, AZ · $108 in drug and device payments (2025) ·
(520) 381-6358 Dr. George WarpinskiCasa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 381-6300 Dr. Justin Pattee, D.O.Casa Grande, AZ · No drug or device payments recorded (2025) ·
(801) 735-6896 Dr. Klaus Gierke, M.D.Casa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 381-6300 Dr. Lance Dickey, M.D.Casa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 381-6300 Dr. Nicholas May, DOCasa Grande, AZ · No drug or device payments recorded (2025) ·
(520) 381-6300 Dr. Ryan Southworth, DOCasa Grande, AZ · No drug or device payments recorded (2025) ·
(610) 776-4622 Dr. Zachary Edwards, DOCasa Grande, AZ · No drug or device payments recorded (2025) ·
(419) 251-4724 Dr. Joseph Kezele, M.D.Cave Creek, AZ · No drug or device payments recorded (2025) ·
(480) 540-8953 Dr. Lailun Wallace, M.D.Cave Creek, AZ · No drug or device payments recorded (2025) ·
(602) 824-3900 Dr. Andrea Wolff, MDChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Arseny Bezprozvanny, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Brian Paterick, M.D.Chandler, AZ · $18 in drug and device payments (2025) ·
(480) 917-1648 Dr. Cameron Nourani, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Christopher Sponaugle, MDChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3974 Dr. Christopher Thompson, DOChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3000 Dr. Craig ChristensenChandler, AZ · $39 in drug and device payments (2025) ·
(480) 728-3974 Dr. Craig Robinson, M.D.Chandler, AZ · $268 in drug and device payments (2025) ·
(480) 963-4561 Dr. Erik Mattison, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 917-1648 Dr. Evan Leibner, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 917-1648 Dr. Gerald Wilde, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Gregory Berman, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 917-1648 Dr. Gregory Massoud, D.O.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Hanna Sivak, DOChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3000 Dr. Housam TahboubChandler, AZ · No drug or device payments recorded (2025) ·
(480) 256-7180 Dr. Jayson Luma, MDChandler, AZ · No drug or device payments recorded (2025) ·
(716) 310-4147 Dr. John Linder, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 917-1648 Dr. Joseph Mazzei, DOChandler, AZ · No drug or device payments recorded (2025) ·
(312) 608-4086 Dr. Joshua Burton, DOChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3000 Dr. Joshua Wallbrecht, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 440-3319 Dr. Joshua Zeidler, DOChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3974 Dr. Judy Messer, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 917-1648 Dr. Kavian Toosi, MDChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3000 Dr. Lawrence Pollack, M.D.Chandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Dr. Lucas RoseChandler, AZ · No drug or device payments recorded (2025) ·
(480) 728-3753 Common questions
How many Emergency Medicine providers are in Arizona?There are 1,498 Emergency Medicine providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.
Do Emergency Medicine providers in Arizona offer telehealth?Yes. 12 of the 1,498 Emergency Medicine providers in Arizona (about 1%) report offering telehealth services in CMS data.
Which cities in Arizona have the most Emergency Medicine providers?Tucson (420), Phoenix (394), Scottsdale (94) have the highest concentration of Emergency Medicine providers in Arizona.
How many Emergency Medicine providers in Arizona received drug or device company payments?235 of 1,498 Emergency Medicine providers in Arizona (16%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
Where does this data come from?Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
Do most Emergency Medicine Doctors in Arizona work in independent practices or large health systems?Among 654 Emergency Medicine Doctors in Arizona enrolled in Medicare, 5% bill through a solo or small practice with fewer than 10 clinicians, 42% through a mid-size group of 10 to 99, and 53% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Emergency Medicine Doctors in Arizona work at?According to CMS facility affiliation records, the Arizona hospitals where the most Emergency Medicine Doctors hold privileges are Dignity Health Arizona General Hospital in Mesa; Dignity Health - Arizona General Hospital in Laveen; Banner - University Medical Center Phoenix in Phoenix.
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