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Medical Toxicologists (Emergency Medicine) in Arizona

Data updated monthly · Last refresh October 2026

5 Medical Toxicology (Emergency Medicine) providers practice in Arizona. The largest concentration is in Phoenix. 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.

5providers
Phoenixtop city

Medical Toxicology (Emergency Medicine) by city in Arizona

Choose a city to see providers there.

Medical Toxicology (Emergency Medicine) in Phoenix3 providers
Medical Toxicology (Emergency Medicine) in Tucson2 providers

Where Medical Toxicologists (Emergency Medicine) in Arizona practice

From CMS Medicare enrollment records covering 3 of the 5 providers listed here (60%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Medical Toxicologists (Emergency Medicine)All clinicians in groupMain city
Banner - University Physician Specialists LLC2343Phoenix

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingMedical Toxicologists (Emergency Medicine) affiliated
Banner - University Medical Center PhoenixPhoenixNonprofit3 of 52

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.

Medical Toxicology (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. Daniel Brooks, MD
Phoenix, AZ · $219 in drug and device payments (2025) · (602) 239-6690
Dr. Dany Quan, D.O.
Phoenix, AZ · $25 in drug and device payments (2025) · (602) 388-1180
Dr. Gregory Makar, DO
Phoenix, AZ · No drug or device payments recorded (2025) · (303) 929-0141
Dr. Adiel Aizenberg, MD
Tucson, AZ · No drug or device payments recorded (2025) · (956) 744-3125
Dr. John Sullivan, MD
Tucson, AZ · No drug or device payments recorded (2025) · (520) 694-8888

Common questions

How many Medical Toxicology (Emergency Medicine) providers are in Arizona?

There are 5 Medical Toxicology (Emergency Medicine) providers with active NPI records practicing in Arizona, according to federal NPPES data refreshed monthly.

Which cities in Arizona have the most Medical Toxicology (Emergency Medicine) providers?

Phoenix (3), Tucson (2) have the highest concentration of Medical Toxicology (Emergency Medicine) providers in Arizona.

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.

Which hospitals do Medical Toxicologists (Emergency Medicine) in Arizona work at?

According to CMS facility affiliation records, the Arizona hospitals where the most Medical Toxicologists (Emergency Medicine) hold privileges are Banner - University Medical Center Phoenix in Phoenix.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory. Are you a Medical Toxicology (Emergency Medicine) in Arizona? Get featured.