Dr. Caleb A. Rees, MD
- Medicare services, 2024
- 207
- Medicare patients, 2024
- 153
- Part D claims, 2024
- 91
- Hospital affiliations
- 2
- Medical groups
- 6
- Practice address
- 1301 South Crismon Road, Mesa, AZ 85209
- Practice phone
- Call (480) 358-6100
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Rees' 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. Caleb A. Rees is an emergency medicine physician in Mesa, Arizona
Dr. Rees practices at HonorHealth Four Peaks Medical Center in Mesa, Arizona, part of HonorHealth.
Dr. Rees' NPI, 1285097899, was assigned on March 31, 2016. Dr. Rees graduated from The University of New Mexico School of Medicine in 2016. Dr. Rees holds Arizona license 57140.
- NPI
- 1285097899NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7810223443
- NPI enumeration date
- March 31, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (480) 358-6100
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 36
- Medical school graduation
- 2016
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Caleb A. Rees practices at HonorHealth Four Peaks Medical Center in Mesa, Arizona
Dr. Rees' primary practice is HonorHealth Four Peaks Medical Center, at 1301 South Crismon Road, Mesa, AZ 85209 in Maricopa County. The practice phone is (480) 358-6100.
- HonorHealth Four Peaks Medical Center1301 South Crismon Road, Mesa, AZ 85209 · Maricopa CountyPhone(480) 358-6100
Source: Dmand AI Affiliation Data
Dr. Caleb A. Rees is affiliated with 3 sites of care and 6 medical groups
Dr. Rees' primary practice is HonorHealth Four Peaks Medical Center in Mesa, Arizona, part of HonorHealth. Dr. Rees is also affiliated with HonorHealth Tempe Medical Center. The medical group on file is US Acute Care Solutions. Dmand AI also links Dr. Rees to 5 more medical groups and 1 community health center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Caleb A. Rees' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Rees practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| HonorHealth Four Peaks Medical Center | Available with a free account |
| +2 more sites and 5 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Caleb A. Rees is one of 1,360 emergency medicine physicians in Arizona
Emergency medicine is Dr. Rees' primary specialty in the NPI Registry, under taxonomy code 207P00000X. Dr. Rees is board certified in emergency medicine by the American Board of Emergency Medicine. Dmand AI has Dr. Rees' licenses on file in 2 states: Arizona and Texas.
Specialties and state licenses
- Emergency medicine, ArizonaPrimary
- Texas license
Emergency medicine physicians near Dr. Rees
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. Caleb A. Rees billed Medicare for 207 services in 2024
CMS data shows 207 Medicare services from Dr. Rees across 4 procedure codes in 2024, for 153 Medicare patients. Medicare paid $18,802 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Rees' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1382024: 1444%
- Tests and treatments
- 2023: 622024: 632%
Dr. Rees compared with the Arizona median for emergency medicine physicians, 2024
- Dr. Rees
- Arizona median
- Medicare services
- 207vs 216Close to median
- Medicare patients
- 153vs 21027% below
- Part D claims
- 14vs 5072% below
Medians across 1,326 emergency medicine physicians in Arizona with Dmand AI profiles that report each measure.
Dr. Rees' 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. Rees 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. Caleb A. Rees treated 153 Medicare patients in 2024, average age 72
CMS counts 153 Medicare patients who saw Dr. Rees in 2024. The largest group is 65 to 74, with 55 patients. 75% of them have high blood pressure, and 71% have high cholesterol. 34% are also on Medicaid. Their average risk score is 2.02, 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. Rees' median patient age at 50, with 52% women.
Dr. Rees' Medicare patients by age, 2024
Dr. Rees' Medicare patients by sex, 2024
- Women9159%
- Men6241%
Chronic conditions among Dr. Rees' Medicare patients, 2024
- High blood pressure75%
- High cholesterol71%
- Arthritis57%
- Ischemic heart disease43%
- Anxiety42%
- Mood disorders42%
- Diabetes41%
- Depression39%
Share of Medicare patients with each condition. A patient can have several.
Dr. Rees' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 50
Patient panel by sex, all payers
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Caleb A. Rees wrote 91 Medicare Part D claims in 2024
In 2024, Dr. Rees wrote 91 Medicare Part D claims for 64 patients. 90% of them were for generic drugs. CMS names the drug for 14 of them, across 1 drug with 11 or more claims each, at $152 in total drug cost. In 2022, CMS named 33 claims across 2 drugs.
Dr. Rees' Part D claims by kind of drug, 2024
- Generic82 claims90%
- Brand-name and other9 claims10%
Dr. Rees' most prescribed drugs by claims, 2023
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. Rees' Part D claims, 2024
- Antibiotics42%38 of 91 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 332023: 1458%
Drugs named by CMS: 1 in 2023, 2 in 2022.
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
How Dr. Caleb A. Rees takes part in Medicare
Dr. Rees accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Caleb A. Rees graduated from The University of New Mexico School of Medicine
Dr. Rees graduated from The University of New Mexico School of Medicine in 2016.
- Medical school
- Board certified in emergency medicine
Source: Dmand AI Professional Profile Data
Dr. Caleb A. Rees accepts plans from 3 insurance carriers
Dr. Rees is in network with 3 carriers, including Blue Cross Blue Shield of Arizona, CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Blue Cross Blue Shield of Arizona
- CMS Medicare
- NV State Medicaid
Plan types Dr. Rees accepts, by number of carriers
- Medicaid1
- Medicare1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Caleb A. Rees'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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Caleb A. Rees
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. Caleb A. Rees' NPI number?
Dr. Caleb A. Rees' NPI number is 1285097899. It was assigned on March 31, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Caleb A. Rees?
Dr. Caleb A. Rees is an emergency medicine physician in Mesa, Arizona. The primary specialty in the NPI Registry is Emergency Medicine Physician (taxonomy code 207P00000X).
Where does Dr. Caleb A. Rees practice?
Dr. Rees practices at 1301 South Crismon Road, Mesa, AZ 85209. Dr. Rees' primary practice is HonorHealth Four Peaks Medical Center in Mesa, Arizona, part of HonorHealth. Dmand AI also links Dr. Rees to 5 medical groups and 1 community health center.
What is Dr. Caleb A. Rees' office phone number?
The practice phone on file for Dr. Rees is (480) 358-6100.
What is Dr. Caleb A. Rees' medical license number?
Dr. Rees holds Arizona license 57140, one of the licenses on file in 2 states.
Which states has Dr. Caleb A. Rees been licensed in?
Dmand AI has state licenses on file for Dr. Rees in Arizona (2018 to 2027) and Texas (2019 to 2026).
Which hospitals is Dr. Caleb A. Rees affiliated with?
Dr. Rees practices at HonorHealth Four Peaks Medical Center in Mesa, Arizona. Dr. Rees is also affiliated with HonorHealth Tempe Medical Center.
What medical group is Dr. Caleb A. Rees part of?
Dr. Rees is linked to US Acute Care Solutions. Dmand AI links Dr. Rees to 5 more medical groups.
Does Dr. Caleb A. Rees accept Medicare?
Yes. CMS data shows Dr. Rees billed Medicare for 207 services in 2024, and Dr. Rees accepts Medicare assignment.
How many Medicare patients does Dr. Caleb A. Rees see?
CMS counts 153 Medicare patients who saw Dr. Rees in 2024, with an average age of 72.
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Is Dr. Caleb A. Rees board certified?
Yes. Dr. Rees is board certified in emergency medicine by the American Board of Emergency Medicine.
What services does Dr. Caleb A. Rees bill to Medicare?
In 2024, Dr. Rees' most billed Medicare services were emergency department visit (99285), heart test or procedure (93010) and emergency department visit (99284).
Where did Dr. Caleb A. Rees go to medical school?
Dr. Rees graduated from The University of New Mexico School of Medicine in 2016.
What drugs does Dr. Caleb A. Rees prescribe most?
In 2023 Medicare Part D data, Dr. Rees' most prescribed drugs by claims were Cephalexin.
How long has Dr. Caleb A. Rees been practicing?
Dr. Rees graduated from medical school in 2016, 10 years ago.
What insurance does Dr. Caleb A. Rees accept?
Dr. Rees is in network with 3 carriers, including Blue Cross Blue Shield of Arizona, CMS Medicare and NV State Medicaid. Medicaid plans come from the most carriers, 1. Check the plan with the practice before a visit.
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