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Dr. Christopher John Warren, MD
NPI1275109712PAC ID5890197958
- Medicare services, 2024
- 47
- Medicare patients, 2024
- 34
- Part D claims, 2024
- 389
- Publications
- 20
- MIPS score, 2024
- 86
- Practice address
- 5777 East Mayo Boulevard, Phoenix, AZ 85054
- Practice phone
- Call (480) 342-4201
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warren's professional email, personal email and mobile number
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Dr. Christopher John Warren is a urologist in Phoenix, Arizona
Dr. Warren practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic.
Dr. Warren's NPI, 1275109712, was assigned on June 3, 2021. Dr. Warren graduated from Rutgers New Jersey Medical School in 2021. Dr. Warren holds Arizona license R78537.
NPI and contact details
- NPI
- 1275109712NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5890197958
- NPI enumeration date
- June 3, 2021
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (480) 342-4201
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 31
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher John Warren practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona
Dr. Warren's primary practice is Mayo Clinic Hospital - Phoenix, at 5777 East Mayo Boulevard, Phoenix, AZ 85054 in Maricopa County. The practice phone is (480) 342-4201.
- Mayo Clinic Hospital - Phoenix5777 East Mayo Boulevard, Phoenix, AZ 85054 · Maricopa CountyPhone(480) 342-4201
Source: Dmand AI Affiliation Data
Dr. Christopher John Warren is affiliated with 2 sites of care and 2 medical groups
Dr. Warren's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. The medical group on file is Mayo Clinic Arizona. Dmand AI also links Dr. Warren to 1 more ambulatory surgery center and 1 medical group, each named with a free account.
Mayo Clinic Arizona1 ambulatory surgery centerName with a free account1 medical groupName with a free account
See all 4 affiliations for Dr. WarrenSources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Christopher John Warren's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warren practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Mayo Clinic Hospital - Phoenix | 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. Christopher John Warren is one of 249 urologists in Arizona
Urology is Dr. Warren's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Warren is licensed in Arizona.
Specialties and state licenses
- Urology, ArizonaPrimary
Urologists near Dr. Warren
Counts of urologists 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. Christopher John Warren billed Medicare for 47 services in 2024
CMS data shows 47 Medicare services from Dr. Warren across 2 procedure codes in 2024, for 34 Medicare patients. Medicare paid $412 for them. Every service was in an office.
Medicare services, 202447
Medicare patients34
Paid by Medicare$412
Procedure codes2
Dr. Warren's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 1152024: 4759%
Dr. Warren compared with the Arizona median for urologists, 2024
- Dr. Warren
- Arizona median
- Medicare services
- 47vs 2,01698% below
- Medicare patients
- 34vs 47393% below
- Part D claims
- 295vs 70558% below
Medians across 239 urologists in Arizona with Dmand AI profiles that report each measure.
Dr. Warren'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. Warren and other urologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher John Warren treated 34 Medicare patients in 2024, average age 75
CMS counts 34 Medicare patients who saw Dr. Warren in 2024. The largest group is 75 to 84, with 16 patients. 75% of them have high cholesterol, and 74% have high blood pressure. Their average risk score is 0.88, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Warren's median patient age at 72, with 20% women.
Medicare patients, 202434
Average age75
Average risk score0.88
Dr. Warren's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Chronic conditions among Dr. Warren's Medicare patients, 2024
- High cholesterol75%
- High blood pressure74%
- Arthritis38%
- Cancer38%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warren's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women20%
- Men79%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher John Warren wrote 389 Medicare Part D claims in 2024
In 2024, Dr. Warren wrote 389 Medicare Part D claims for 193 patients. 91% of them were for generic drugs. CMS names the drug for 295 of them, across 11 drugs with 11 or more claims each, at $18,394 in total drug cost. In 2023, CMS named 292 claims across 10 drugs.
Part D claims, 2024389
Drugs named by CMS11
Total drug cost$18,394
Part D patients193
Dr. Warren's Part D claims by kind of drug, 2024
- Generic353 claims91%
- Brand-name36 claims9%
Dr. Warren'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. Warren's Part D claims, 2024
- Opioids5%20 of 389 claims
- Antibiotics43%166 of 389 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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2922024: 2951%
Drugs named by CMS: 11 in 2024, 10 in 2023.
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
Dr. Christopher John Warren scored 86 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 86 out of 100 for Dr. Warren for performance year 2024, reported as part of a group. Dr. Warren accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Warren as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Warren's MIPS scores, performance year 2024
- 86of 100Final score
- 78.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 77of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher John Warren has 20 publications on record
Dmand AI links 20 papers to Dr. Warren, published from 2012 to 2024. 2020 was the busiest year, with 5. The most frequent topics are Internship and Residency, Social Media and Students, Medical. Dr. Warren has published most often in Acad Med. Dr. Warren's most frequent co-authors are Sandeep Sai Voleti, MD, MPH, MS, Victoria Susan Edmonds, MD and Mouneeb Mahmood Choudry, MD.
Papers20
Years published2012 to 2024
Dr. Warren's papers by year, 2012 to 2024
Topics Dr. Warren writes about most
- Internship and Residency
- Social Media
- Students, Medical
- Urology
- Biomedical Research
- COVID-19
- PubMed
- SARS-CoV-2
Dr. Warren's most frequent co-authors
- Sandeep Sai Voleti, MD, MPH, MS4 shared papers
- Victoria Susan Edmonds, MD3 shared papers
- Mouneeb Mahmood Choudry, MD2 shared papers
Recent publications by Dr. Warren
Emergency Service, HospitalPatient PortalsUrologic Surgical Procedures
Genetic Predisposition to DiseaseGenetic TestingGerm-Line Mutation
See who Dr. Warren researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warren works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher John Warren received $1,987 in industry payments from 2021 to 2025
CMS Open Payments shows 32 general payments to Dr. Warren from 9 drug and device companies from 2021 to 2025. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $1,041.
General payments to Dr. Warren by program year, 2021 to 2025
Companies that paid Dr. Warren the most, 2021 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher John Warren graduated from Rutgers New Jersey Medical School
Dr. Warren graduated from Rutgers New Jersey Medical School in 2021.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Christopher John Warren'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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Christopher John Warren
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. Christopher John Warren's NPI number?
Dr. Christopher John Warren's NPI number is 1275109712. It was assigned on June 3, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher John Warren?
Dr. Christopher John Warren is a urologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Christopher John Warren practice?
Dr. Warren practices at 5777 East Mayo Boulevard, Phoenix, AZ 85054. Dr. Warren's primary practice is Mayo Clinic Hospital - Phoenix in Phoenix, Arizona, part of Mayo Clinic. Dmand AI also links Dr. Warren to 1 ambulatory surgery center and 1 medical group.
What is Dr. Christopher John Warren's office phone number?
The practice phone on file for Dr. Warren is (480) 342-4201.
What is Dr. Christopher John Warren's medical license number?
Dr. Warren holds Arizona license R78537.
Which hospitals is Dr. Christopher John Warren affiliated with?
Dr. Warren practices at Mayo Clinic Hospital - Phoenix in Phoenix, Arizona.
What medical group is Dr. Christopher John Warren part of?
Dr. Warren is linked to Mayo Clinic Arizona. Dmand AI links Dr. Warren to 1 more medical group.
Does Dr. Christopher John Warren accept Medicare?
Yes. CMS data shows Dr. Warren billed Medicare for 47 services in 2024, and Dr. Warren accepts Medicare assignment.
Does Dr. Christopher John Warren offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Warren as offering telehealth services.
What is Dr. Christopher John Warren's MIPS score?
Dr. Warren's MIPS final score for performance year 2024 is 86 out of 100, reported as part of a group.
Show 8 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher John Warren see?
CMS counts 34 Medicare patients who saw Dr. Warren in 2024, with an average age of 75.
What services does Dr. Christopher John Warren bill to Medicare?
In 2024, Dr. Warren's most billed Medicare services were surgery: urinary system (51798) and surgery: urinary system (51741).
Where did Dr. Christopher John Warren go to medical school?
Dr. Warren graduated from Rutgers New Jersey Medical School in 2021.
What drugs does Dr. Christopher John Warren prescribe most?
In 2024 Medicare Part D data, Dr. Warren's most prescribed drugs by claims were Sulfamethoxazole-Trimethoprim, Tamsulosin HCl and Cefdinir.
Has Dr. Christopher John Warren received payments from drug or device companies?
CMS Open Payments shows $1,987 in general payments to Dr. Warren from 9 companies from 2021 to 2025. The largest total came from Boston Scientific Corporation.
How long has Dr. Christopher John Warren been practicing?
Dr. Warren graduated from medical school in 2021, 5 years ago.
Does Dr. Christopher John Warren do research?
Dmand AI links 20 publications to Dr. Warren, published from 2012 to 2024.
Who does Dr. Christopher John Warren publish with?
Dr. Warren's most frequent co-authors are Sandeep Sai Voleti, MD, MPH, MS (4 shared papers), Victoria Susan Edmonds, MD (3 shared papers) and Mouneeb Mahmood Choudry, MD (2 shared papers).
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