Dr. Chase Warner, DO
- Medicare services, 2024
- 361
- Medicare patients, 2024
- 157
- Part D claims, 2024
- 241
- Publications
- 1
- Hospital affiliations
- 2
- Practice address
- 4212 North 16th Street, Phoenix, AZ 85016
- Practice phone
- Call (602) 263-1200
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Warner's professional email, personal email and mobile number
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Dr. Chase Warner is an ophthalmologist in Phoenix, Arizona
Dr. Warner practices at Phoenix Indian Medical Center in Phoenix, Arizona, part of U.S. Department of Health and Human Services.
Dr. Warner's NPI, 1730543968, was assigned on April 13, 2016. Dr. Warner holds Arizona license 008955.
- NPI
- 1730543968NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5698066603
- NPI enumeration date
- April 13, 2016
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (602) 263-1200
- 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. Chase Warner practices at Phoenix Indian Medical Center in Phoenix, Arizona
Dr. Warner's primary practice is Phoenix Indian Medical Center, at 4212 North 16th Street, Phoenix, AZ 85016 in Maricopa County. The practice phone is (602) 263-1200.
- Phoenix Indian Medical Center4212 North 16th Street, Phoenix, AZ 85016 · Maricopa CountyPhone(602) 263-1200
Source: Dmand AI Affiliation Data
Dr. Chase Warner is affiliated with 3 sites of care and 4 medical groups
Dr. Warner's primary practice is Phoenix Indian Medical Center in Phoenix, Arizona, part of U.S. Department of Health and Human Services. Dr. Warner is also affiliated with Whiteriver Indian Hospital. The medical group on file is Phoenix Indian Medical Center. Dmand AI also links Dr. Warner to 3 more medical groups and 1 ambulatory surgery 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. Chase Warner's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Warner practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Phoenix Indian Medical Center | Available with a free account |
| +2 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chase Warner is one of 293 ophthalmologists in Arizona
Ophthalmology is Dr. Warner's primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Warner is licensed in Arizona.
Specialties and state licenses
- Ophthalmology, ArizonaPrimary
Ophthalmologists near Dr. Warner
Counts of ophthalmologists 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. Chase Warner billed Medicare for 361 services in 2024
CMS data shows 361 Medicare services from Dr. Warner across 8 procedure codes in 2024, for 157 Medicare patients. Medicare paid $25,540 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Warner's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1692024: 18811%
- Tests and treatments
- 2023: 1252024: 9326%
- Surgery
- 2023: 392024: 5541%
- Imaging
- 2023: 202024: 2525%
Dr. Warner compared with the Arizona median for ophthalmologists, 2024
- Dr. Warner
- Arizona median
- Medicare services
- 361vs 1,70979% below
- Medicare patients
- 157vs 59173% below
- Part D claims
- 219vs 65467% below
Medians across 293 ophthalmologists in Arizona with Dmand AI profiles that report each measure.
Dr. Warner'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.
Need commercial claims for Dr. Warner?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Warner and other ophthalmologists in Arizona.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chase Warner treated 157 Medicare patients in 2024, average age 72
CMS counts 157 Medicare patients who saw Dr. Warner in 2024. The largest group is 65 to 74, with 78 patients. 75% of them have high blood pressure, and 71% have diabetes. 37% are also on Medicaid. Their average risk score is 1.61, 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. Warner's median patient age at 71, with 62% women.
Dr. Warner's Medicare patients by age, 2024
Dr. Warner's Medicare patients by sex, 2024
- Women9561%
- Men6239%
Chronic conditions among Dr. Warner's Medicare patients, 2024
- High blood pressure75%
- Diabetes71%
- High cholesterol64%
- Chronic kidney disease38%
- Arthritis36%
- Ischemic heart disease21%
- Cancer11%
- Heart failure11%
Share of Medicare patients with each condition. A patient can have several.
Dr. Warner's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 71
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chase Warner wrote 241 Medicare Part D claims in 2024
In 2024, Dr. Warner wrote 241 Medicare Part D claims for 62 patients. 42% of them were for generic drugs. CMS names the drug for 219 of them, across 6 drugs with 11 or more claims each, at $5,977 in total drug cost. In 2023, CMS named 274 claims across 6 drugs.
Dr. Warner's Part D claims by kind of drug, 2024
- Generic101 claims42%
- Brand-name140 claims58%
Dr. Warner'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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 2742024: 21920%
Drugs named by CMS: 6 in 2024, 6 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. Chase Warner ranks in the 50th percentile for cataract surgery in Medicare
Dr. Warner accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 26 procedures of cataract surgery by Dr. Warner, more than 50% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Dr. Warner ranks in Medicare procedure volume
- Cataract surgery
- 50th percentile26 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chase Warner has 1 publication on record
Dmand AI links 1 paper to Dr. Warner in 2020. Dr. Warner's most frequent co-author is Ronald E. Warwar, MD.
Dr. Warner's most frequent co-authors
Recent publications by Dr. Warner
See who Dr. Warner researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Warner works with, so you can find a warm path to the right ophthalmologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chase Warner received $356 in industry payments from 2017 to 2019
CMS Open Payments shows 5 general payments to Dr. Warner from 3 drug and device companies from 2017 to 2019. Food and beverage make up the largest share, 100% of the total. Shire North American Group Inc paid the most, $137.
General payments to Dr. Warner by program year, 2017 to 2019
Companies that paid Dr. Warner the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Chase Warner'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)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) |
| 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. Chase Warner
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. Chase Warner's NPI number?
Dr. Chase Warner's NPI number is 1730543968. It was assigned on April 13, 2016, and it is active in the NPI Registry.
What kind of doctor is Dr. Chase Warner?
Dr. Chase Warner is an ophthalmologist in Phoenix, Arizona. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Chase Warner practice?
Dr. Warner practices at 4212 North 16th Street, Phoenix, AZ 85016. Dr. Warner's primary practice is Phoenix Indian Medical Center in Phoenix, Arizona, part of U.S. Department of Health and Human Services. Dmand AI also links Dr. Warner to 3 medical groups and 1 ambulatory surgery center.
What is Dr. Chase Warner's office phone number?
The practice phone on file for Dr. Warner is (602) 263-1200.
What is Dr. Chase Warner's medical license number?
Dr. Warner holds Arizona license 008955.
Which hospitals is Dr. Chase Warner affiliated with?
Dr. Warner practices at Phoenix Indian Medical Center in Phoenix, Arizona. Dr. Warner is also affiliated with Whiteriver Indian Hospital.
What medical group is Dr. Chase Warner part of?
Dr. Warner is linked to Phoenix Indian Medical Center. Dmand AI links Dr. Warner to 3 more medical groups.
Does Dr. Chase Warner accept Medicare?
Yes. CMS data shows Dr. Warner billed Medicare for 361 services in 2024, and Dr. Warner accepts Medicare assignment.
How many Medicare patients does Dr. Chase Warner see?
CMS counts 157 Medicare patients who saw Dr. Warner in 2024, with an average age of 72.
What services does Dr. Chase Warner bill to Medicare?
In 2024, Dr. Warner's most billed Medicare services were office visit, established patient (99214), eye exam or test (92134) and office visit, established patient (99213).
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What drugs does Dr. Chase Warner prescribe most?
In 2024 Medicare Part D data, Dr. Warner's most prescribed drugs by claims were Latanoprost, Prednisolone Acetate and Ketorolac Tromethamine.
Has Dr. Chase Warner received payments from drug or device companies?
CMS Open Payments shows $356 in general payments to Dr. Warner from 3 companies from 2017 to 2019. The largest total came from Shire North American Group Inc.
How long has Dr. Chase Warner been practicing?
Dr. Warner graduated from medical school in 2016, 10 years ago.
Does Dr. Chase Warner do research?
Dmand AI links 1 publication to Dr. Warner.
Who does Dr. Chase Warner publish with?
Dr. Warner's most frequent co-authors are Ronald E. Warwar, MD (1 shared paper).
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