NPPES file of Aug 9, 2026

John Braxton Cason, M.D.

Ophthalmology Physician · Phoenix, AZ

John Braxton Cason, M.D. is an ophthalmology physician with a practice address in Phoenix, Arizona, and NPI 1255494001, issued on Dec 19, 2006. Check the license (Arizona 66457, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255494001
Name
John Braxton Cason
Credential
M.D.
Primary taxonomy
Ophthalmology Physician 207W00000X
License numbers
66457 AZ
C54100 CA
Self-reported in NPPES; status is on the state search
Practice location
18325 N Allied Way Ste 100, Phoenix, AZ 85054
Phone
(602) 467-4966
Enumerated
Dec 19, 2006
Record last updated
Sep 15, 2023
Fax
(480) 419-5401
Medicare enrollment
Enrolled (PECOS I20220718001480); accepts Medicare assignment
Medical or professional school
George Washington University School Of Medicine, 2000
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 18325 N Allied Way Ste 100

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Harmohina Bagga, M.D.Ophthalmology Physician1306024104
  2. Eric Chen, MDOphthalmology Physician1184245359
  3. Joshua Duncan, DOOphthalmology Physician1457612830
  4. Anna Moore, O.D.Optometrist1013330745
  5. Brad Nuttall, ODOptometrist1699290478
  6. Jeffrey Smith, ODOptometrist1609869981

Verify John Braxton Cason in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 66457
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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48% fewer Medicare Part D claims than the average ophthalmology physician in 2024

782 Medicare Part D claims for 287 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims. 13 claims were for opioids.

  1. John Cason782
  2. Specialty average1,518

Most prescribed

  1. Prednisolone Acetate175 claims
  2. Moxifloxacin122 claims
  3. Neomycin-Polymyxin-Dexameth88 claims
  4. Latanoprost87 claims
  5. Erythromycin46 claims
  6. Doxycycline Hyclate36 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.

Industry payments in 2024: $4,736.14

34 payments; by number, the most common kind was food and beverage; the largest payer was Glaukos Corporation. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. John Cason$4,736.14
  2. Specialty average$4,535.02

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Millennium Vision IncPhoenix, AZ

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Ophthalmology Physician providers in Arizona

There are 353 ophthalmology physician records in Arizona.

Other ophthalmology physician records in Arizona

  1. Jack Aaron, MDTucson, AZ1043293566
  2. David Abbott, M.D.Phoenix, AZ1881891257
  3. Elahhe Afkhamnejad, M.D.Phoenix, AZ1659993897
  4. Shivi Agrawal, M.D.Phoenix, AZ1528379245
  5. Norman Ahl, MDTucson, AZ1144296278
  6. Joseph Aiello, MDScottsdale, AZ1801866553
  7. Patrick Aiello, MDYuma, AZ1235124744
  8. Todd Altenbernd, M.D.Tucson, AZ1841273356
  9. Aaron Amacher, M.D.Phoenix, AZ1700856283
  10. Jay Arora, M.D.Scottsdale, AZ1306259106

Common questions

What is John Braxton Cason, M.D.'s NPI number?

John Braxton Cason, M.D.'s National Provider Identifier (NPI) is 1255494001, issued on Dec 19, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Braxton Cason, M.D. located?

The NPPES record lists a practice address at 18325 N Allied Way Ste 100, Phoenix, AZ, 85054. Phone: (602) 467-4966. Providers update this record themselves, so call before visiting.

How can I verify John Braxton Cason, M.D.'s license?

NPPES lists Arizona license number 66457, 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 John Braxton Cason, M.D. prescribe under Medicare Part D?

In 2024, John Braxton Cason, M.D. had 782 Medicare Part D claims for 287 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.