NPPES file of Aug 9, 2026

Ayrn D. O'Connor, M.D.

Emergency Medicine Physician · Phoenix, AZ

Ayrn D. O'Connor, M.D. is an emergency medicine physician with a practice address in Phoenix, Arizona, and NPI 1194785063, issued on Mar 24, 2006. Check the license (Arizona 33871, 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
1194785063
Name
Ayrn D. O'Connor
Credential
M.D.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
33871 AZ
Self-reported in NPPES; status is on the state search
Practice location
1012 E Willetta St FL 2, Phoenix, AZ 85006
Phone
(602) 839-2391
Enumerated
Mar 24, 2006
Record last updated
Aug 26, 2025
Medicaid ID
939069 AZ
Medicare enrollment
Enrolled (PECOS I20050628000830); accepts Medicare assignment
Medical or professional school
Indiana 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 1012 E Willetta St FL 2

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

  1. Laura Tortora, MDEmergency Medicine Physician1598008682

Verify Ayrn D. O'Connor in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical Board
    Search for license 33871
    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

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Industry payments in 2024: $128.05

1 payment: food and beverage; the largest payer was Kyowa Kirin, Inc. The 12,335 providers of this specialty with any payment received $953.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ayrn O'Connor$128.05
  2. Specialty average$953.79

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. Mayo Clinic ArizonaScottsdale, AZ

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

Ayrn D. O'Connor among 1,494 emergency medicine physician records in Arizona

Ayrn D. O'Connor, M.D. is one of 1,494 emergency medicine physician records with a practice address in Arizona. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.

  • NPI issued2006 · 10% of these records are older, 62% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 55% of these records are
  • Graduated2000 · median 2014 among the 828 with a school on file
  • Record last updated2025 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

394 emergency medicine physician records list a practice address in Phoenix

They are 394 of the 31,399 NPPES records with a practice address in Phoenix, and 1,494 emergency medicine physician records in Arizona.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Michael Bergman, MDPhoenix, AZ 850061770504292
  2. Moneesh Bhow, M.DPhoenix, AZ 850061215986096
  3. Andrzej Dmowski, MDPhoenix, AZ 850061518960996
  4. Robert Leigh, MDPhoenix, AZ 850061568483139
  5. Melissa Ludwig, MDPhoenix, AZ 850061750302352
  6. Alan Molk, MDPhoenix, AZ 850061134133580
  7. Robert Porter, DOPhoenix, AZ 850061275561565
  8. John Raife, MDPhoenix, AZ 850061609835180

Common questions

What is Ayrn D. O'Connor, M.D.'s NPI number?

Ayrn D. O'Connor, M.D.'s National Provider Identifier (NPI) is 1194785063, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Ayrn D. O'Connor, M.D. located?

The NPPES record lists a practice address at 1012 E Willetta St FL 2, Phoenix, AZ, 85006. Phone: (602) 839-2391. Providers update this record themselves, so call before visiting.

How can I verify Ayrn D. O'Connor, M.D.'s license?

NPPES lists Arizona license number 33871, 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.

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.