Dr. Darren Kay, MD
- Medicare services, 2019
- 1,410
- Medicare patients, 2024
- 15
- Part D claims, 2024
- 33
- Hospital affiliations
- 1
- Industry payments
- $399
- Practice address
- 4575 E Broadway Blvd, Tucson, AZ 85711
- Practice phone
- Call (713) 660-0555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Tucson ER & Hospital
Tucson, Arizona
Find Dr. Kay's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Darren Kay is an emergency medicine physician in Tucson, Arizona
Dr. Kay practices at Tucson ER & Hospital in Tucson, Arizona.
Dr. Kay's NPI, 1790717627, was assigned on July 7, 2006. Dr. Kay graduated from University of Utah School of Medicine in 1993. Dr. Kay holds Arizona license 27088.
- NPI
- 1790717627NPI Registry (opens in a new tab)
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Practice phone
- (713) 660-0555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 59
- Medical school graduation
- 1993
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Darren Kay practices at Tucson ER & Hospital in Tucson, Arizona
Dr. Kay's primary practice is Tucson ER & Hospital, at 4575 E Broadway Blvd, Tucson, AZ 85711 in Pima County. The practice phone is (713) 660-0555.
- Tucson ER & Hospital4575 E Broadway Blvd, Tucson, AZ 85711 · Pima CountyPhone(713) 660-0555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Darren Kay is affiliated with 2 sites of care and 1 medical group
Dr. Kay's primary practice is Tucson ER & Hospital in Tucson, Arizona. Dr. Kay is also affiliated with Northwest Medical Center. The medical group on file is Sound Physicians.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Darren Kay's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Kay practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Tucson ER & Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Darren Kay is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Kay's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Kay is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Kay
Counts of emergency medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Darren Kay billed Medicare for 1,410 services in 2019
CMS data shows 1,410 Medicare services from Dr. Kay across 6 procedure codes in 2019, for 15 Medicare patients. Medicare paid $106,361 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Kay's Medicare services by type, 2018 to 2019
- 2018
- 2019
- Office and hospital visits
- 2018: 6372019: 97052%
- Tests and treatments
- 2018: 1902019: 428125%
- Surgery
- 2018: 02019: 12
Dr. Kay compared with the Arizona median for emergency medicine physicians, 2019
- Dr. Kay
- Arizona median
- Medicare services
- 1,410vs 2166.5 times
- Medicare patients
- 15vs 21093% below
- Part D claims
- 276vs 505.5 times
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Kay's most billed Medicare procedure codes, 2019
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Kay?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Kay and other emergency medicine physicians in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Darren Kay treated 15 Medicare patients in 2024, average age 75
CMS counts 15 Medicare patients who saw Dr. Kay in 2024. The largest group is under 65, with 0 patients. 75% of them have high cholesterol, and 73% have high blood pressure. Their average risk score is 2.09, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Kay's median patient age at 40, with 55% women.
Dr. Kay's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Kay's Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
Share of Medicare patients with each condition. A patient can have several.
Dr. Kay's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 40
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Darren Kay wrote 33 Medicare Part D claims in 2024
In 2024, Dr. Kay wrote 33 Medicare Part D claims for 21 patients. 97% of them were for generic drugs. They cover 10 drugs, with $2,346 in total drug cost. In 2018, CMS named 295 claims across 13 drugs.
Dr. Kay's Part D claims by kind of drug, 2024
- Generic32 claims97%
- Brand-name and other1 claims3%
Dr. Kay's most prescribed drugs by claims, 2019
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Kay's Part D claims, 2024
- Antibiotics39%13 of 33 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2018 to 2019
- 2018
- 2019
- Claims for drugs CMS names
- 2018: 2952019: 2766%
Drugs named by CMS: 10 in 2019, 13 in 2018.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Darren Kay received $399 in industry payments from 2017 to 2024
CMS Open Payments shows 6 general payments to Dr. Kay from 4 drug and device companies from 2017 to 2024. Food and beverage make up the largest share, 100% of the total. Abiomed paid the most, $202.
General payments to Dr. Kay by program year, 2017 to 2024
Companies that paid Dr. Kay the most, 2017 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Darren Kay graduated from University of Utah School of Medicine
Dr. Kay graduated from University of Utah School of Medicine in 1993.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Darren Kay's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Darren Kay
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Darren Kay's NPI number?
Dr. Darren Kay's NPI number is 1790717627. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Darren Kay?
Dr. Darren Kay is an emergency medicine physician in Tucson, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Darren Kay practice?
Dr. Kay practices at 4575 E Broadway Blvd, Tucson, AZ 85711. Dr. Kay's primary practice is Tucson ER & Hospital in Tucson, Arizona.
What is Dr. Darren Kay's office phone number?
The practice phone on file for Dr. Kay is (713) 660-0555.
What is Dr. Darren Kay's medical license number?
Dr. Kay holds Arizona license 27088.
Which hospitals is Dr. Darren Kay affiliated with?
Dr. Kay is affiliated with Northwest Medical Center.
What medical group is Dr. Darren Kay part of?
Dr. Kay is linked to Sound Physicians.
Does Dr. Darren Kay accept Medicare?
Yes. CMS data shows Dr. Kay billed Medicare for 1,410 services in 2019.
How many Medicare patients does Dr. Darren Kay see?
CMS counts 15 Medicare patients who saw Dr. Kay in 2024, with an average age of 75.
What services does Dr. Darren Kay bill to Medicare?
In 2019, Dr. Kay's most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Show 4 more questionsShow fewer questions
Where did Dr. Darren Kay go to medical school?
Dr. Kay graduated from University of Utah School of Medicine in 1993.
What drugs does Dr. Darren Kay prescribe most?
In 2019 Medicare Part D data, Dr. Kay's most prescribed drugs by claims were Hydrocodone-Acetaminophen, Methylprednisolone and Prednisone.
Has Dr. Darren Kay received payments from drug or device companies?
CMS Open Payments shows $399 in general payments to Dr. Kay from 4 companies from 2017 to 2024. The largest total came from Abiomed.
How long has Dr. Darren Kay been practicing?
Dr. Kay graduated from medical school in 1993, 33 years ago.
Selling to emergency medicine practices?
See emergency medicine physicians in Arizona by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card