Dr. Cary J. Keller, MD
- Medicare services, 2024
- 69
- Medicare patients, 2024
- 75
- Part D claims, 2024
- 101
- Hospital affiliations
- 1
- Medical groups
- 2
- 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. Keller's professional email, personal email and mobile number
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Dr. Cary J. Keller is an emergency medicine physician in Tucson, Arizona
Dr. Keller practices at Tucson ER & Hospital in Tucson, Arizona.
Dr. Keller's NPI, 1720011661, was assigned on July 7, 2006. Dr. Keller graduated from University of Cincinnati College of Medicine in 1998. Dr. Keller holds Arizona license 33408.
- NPI
- 1720011661NPI 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
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Cary J. Keller practices at Tucson ER & Hospital in Tucson, Arizona
Dr. Keller'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. Cary J. Keller is affiliated with 2 sites of care and 2 medical groups
Dr. Keller's primary practice is Tucson ER & Hospital in Tucson, Arizona. Dr. Keller is also affiliated with Northwest Medical Center. The medical group on file is Northwest Medical Center. Dmand AI also links Dr. Keller to 1 more medical group, named with a free account.
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. Cary J. Keller's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Keller 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 site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Cary J. Keller is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Keller's primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Keller is licensed in Arizona.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
Emergency medicine physicians near Dr. Keller
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. Cary J. Keller billed Medicare for 69 services in 2024
CMS data shows 69 Medicare services from Dr. Keller across 2 procedure codes in 2024, for 75 Medicare patients. Medicare paid $6,861 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Keller's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 752024: 698%
- Tests and treatments
- 2023: 112024: 0100%
Dr. Keller compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Keller
- Arizona median
- Medicare services
- 69vs 21668% below
- Medicare patients
- 75vs 21064% below
- Part D claims
- 40vs 5020% below
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Keller's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Keller 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. Cary J. Keller treated 75 Medicare patients in 2024, average age 74
CMS counts 75 Medicare patients who saw Dr. Keller in 2024. The largest group is 75 to 84, with 36 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 1.36, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Keller's median patient age at 33, with 60% women.
Dr. Keller's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Keller's Medicare patients by sex, 2024
- Women5168%
- Men2432%
Chronic conditions among Dr. Keller's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis48%
- Depression40%
- Mood disorders40%
- Chronic kidney disease37%
- Anxiety35%
- Diabetes33%
Share of Medicare patients with each condition. A patient can have several.
Dr. Keller's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 33
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Cary J. Keller wrote 101 Medicare Part D claims in 2024
In 2024, Dr. Keller wrote 101 Medicare Part D claims for 71 patients. 92% of them were for generic drugs. CMS names the drug for 40 of them, across 3 drugs with 11 or more claims each, at $184 in total drug cost. In 2021, CMS named 13 claims across 1 drug.
Dr. Keller's Part D claims by kind of drug, 2024
- Generic93 claims92%
- Brand-name and other8 claims8%
Dr. Keller's most prescribed drugs by claims, 2024
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. Keller's Part D claims, 2024
- Antibiotics44%44 of 101 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, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 132024: 40208%
Drugs named by CMS: 3 in 2024, 1 in 2021.
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
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Dr. Cary J. Keller graduated from University of Cincinnati College of Medicine
Dr. Keller graduated from University of Cincinnati College of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Cary J. Keller'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) |
| 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. Cary J. Keller
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What is Dr. Cary J. Keller's NPI number?
Dr. Cary J. Keller's NPI number is 1720011661. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Cary J. Keller?
Dr. Cary J. Keller 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. Cary J. Keller practice?
Dr. Keller practices at 4575 E Broadway Blvd, Tucson, AZ 85711. Dr. Keller's primary practice is Tucson ER & Hospital in Tucson, Arizona. Dmand AI also links Dr. Keller to 1 medical group.
What is Dr. Cary J. Keller's office phone number?
The practice phone on file for Dr. Keller is (713) 660-0555.
What is Dr. Cary J. Keller's medical license number?
Dr. Keller holds Arizona license 33408.
Which hospitals is Dr. Cary J. Keller affiliated with?
Dr. Keller is affiliated with Northwest Medical Center.
What medical group is Dr. Cary J. Keller part of?
Dr. Keller is linked to Northwest Medical Center. Dmand AI links Dr. Keller to 1 more medical group.
Does Dr. Cary J. Keller accept Medicare?
Yes. CMS data shows Dr. Keller billed Medicare for 69 services in 2024.
How many Medicare patients does Dr. Cary J. Keller see?
CMS counts 75 Medicare patients who saw Dr. Keller in 2024, with an average age of 74.
What services does Dr. Cary J. Keller bill to Medicare?
In 2024, Dr. Keller's most billed Medicare services were emergency department visit (99284) and emergency department visit (99285).
Show 3 more questionsShow fewer questions
Where did Dr. Cary J. Keller go to medical school?
Dr. Keller graduated from University of Cincinnati College of Medicine in 1998.
What drugs does Dr. Cary J. Keller prescribe most?
In 2024 Medicare Part D data, Dr. Keller's most prescribed drugs by claims were Azithromycin, Prednisone and Cephalexin.
How long has Dr. Cary J. Keller been practicing?
Dr. Keller graduated from medical school in 1998, 28 years ago.
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