Chase Warner, D.O.
Ophthalmology Physician · Mesa, AZ
Chase Warner, D.O. is an ophthalmology physician with a practice address in Mesa, Arizona, and NPI 1730543968, issued on Apr 13, 2016. Check the license (Arizona 008955, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chase Warner
- Credential
- D.O.
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 008955 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 220 S 63RD St, Mesa, AZ 85206
- Phone
- (480) 641-3937
- Enumerated
- Apr 13, 2016
- Record last updated
- Apr 20, 2026
- Fax
- (480) 924-5094
- Medicare enrollment
- Enrolled (PECOS I20200924000957); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 353 in Arizona → Look up another NPI →
Also registered at 220 S 63RD St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Joshua Brozek, M.D.Ophthalmology Physician1467806513
- Amy Crump, ODOptometrist1881673150
- James Grubbs, CRNACertified Registered Nurse Anesthetist1639255037
- Renee Hanson, O.D.Optometrist1881719540
- James Hiatt, M.D.Ophthalmology Physician1467424655
- Leah Janousek, ODOptometrist1285157933
Verify Chase Warner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 008955Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
84% fewer Medicare Part D claims than the average ophthalmology physician in 2024
241 Medicare Part D claims for 62 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 58% of claims.
Most prescribed
- Latanoprost63 claims
- Prednisolone Acetate47 claims
- Ketorolac Tromethamine40 claims
- Moxifloxacin39 claims
- Dorzolamide-Timolol17 claims
- Dorzolamide Hcl13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Dhew Ind Hlth SV Hlth Svs And Mntl Hlth AdmPhoenix, AZ
- Dhhs Ihs Phoenix AreaWhiteriver, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chase Warner among 353 ophthalmology physician records in Arizona
Chase Warner, D.O. is one of 353 ophthalmology physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2016, is newer than 84% of them.
- NPI issued2016 · 84% of these records are older, 12% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2016 · median 2000 among the 220 with a school on file
- Record last updated2026 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207W00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Arizona
There are 353 ophthalmology physician records in Arizona.
All 353 in Arizona → Every provider in Mesa → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Daniel Churgin, M.D.Mesa, AZ 852061558629550
- Grant Heinz, MDMesa, AZ 852061730169608
- James Hiatt, M.D.Mesa, AZ 852061467424655
- Warren Hill, M.D.Mesa, AZ 852061104990506
- Ronald Hobbs, M.D.Mesa, AZ 852061194986786
- Lee Sa Jackson, M.D.Mesa, AZ 852061306837042
- Jonathan Kao, MDMesa, AZ 852061295779684
- Alyssa Kim, MDMesa, AZ 852061689648875
Common questions
What is Chase Warner, D.O.'s NPI number?
Chase Warner, D.O.'s National Provider Identifier (NPI) is 1730543968, issued on Apr 13, 2016. An NPI identifies a provider in billing; it is not a license.
Where is Chase Warner, D.O. located?
The NPPES record lists a practice address at 220 S 63RD St, Mesa, AZ, 85206. Phone: (480) 641-3937. Providers update this record themselves, so call before visiting.
How can I verify Chase Warner, D.O.'s license?
NPPES lists Arizona license number 008955, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Chase Warner, D.O. prescribe under Medicare Part D?
In 2024, Chase Warner, D.O. had 241 Medicare Part D claims for 62 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.