NPPES file of Aug 9, 2026

Ashley Megan O'Neill, AGACNP

Acute Care Nurse Practitioner · Phoenix, AZ

Ashley Megan O'Neill, AGACNP is an acute care nurse practitioner with a practice address in Phoenix, Arizona, and NPI 1104685452, issued on Mar 18, 2024. Check the license (Arizona 308611, as entered in NPPES) with the Arizona board that licenses this profession; 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
1104685452
Name
Ashley Megan O'Neill
Credential
AGACNP
Primary taxonomy
Acute Care Nurse Practitioner 363LA2100X
License number
308611 AZ
Self-reported in NPPES; status is on the state search
Practice location
500 W Thomas RD Ste 300, Phoenix, AZ 85013
Phone
(602) 406-8000
Enumerated
Mar 18, 2024
Record last updated
Aug 8, 2024
Fax
(602) 406-3111
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 500 W Thomas RD Ste 300

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

  1. Emily Anderson, FNPFamily Nurse Practitioner1639705429
  2. David Bowman, PA-CPhysician Assistant1326429705
  3. James Craigo, AGACNPAcute Care Nurse Practitioner1003442435
  4. Kaitlyn Feith, FNP-BCFamily Nurse Practitioner1942818802
  5. Rhiannon Garcia, PHARMDPharmacist Clinician (PhC)/ Clinical Pharmacy Specialist1508584723
  6. Tess Harnett, PA-CPhysician Assistant1467078469

Verify Ashley Megan O'Neill in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Arizona board licenses this profession
    Search for license 308611
    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
Find 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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90% fewer Medicare Part D claims than the average acute care nurse practitioner in 2024

62 Medicare Part D claims for 22 beneficiaries, against an average of 594 among the 13,133 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.

  1. Ashley O'Neill62
  2. Specialty average594

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.

Ashley Megan O'Neill among 645 acute care nurse practitioner records in Arizona

Ashley Megan O'Neill, AGACNP is one of 645 acute care nurse practitioner records with a practice address in Arizona. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 88% of them.

  • NPI issued2024 · 88% of these records are older, 7% newer
  • In a Medicare fileYes · 85% of these records are
  • In the CMS Doctors and Clinicians fileNo · 72% of these records are
  • Record last updated2024 · 34% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LA2100X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Acute Care Nurse Practitioner providers in Arizona

There are 645 acute care nurse practitioner records in Arizona.

The 8 acute care nurse practitioner records with the nearest ZIP codes

  1. Jennifer Armfield, ACNPPhoenix, AZ 850131538562426
  2. Ashley Chadwick, MSN, ACNP-BCPhoenix, AZ 850131427346246
  3. Eunjoo ChungPhoenix, AZ 850131639493208
  4. Michelle Davis, AGACNPPhoenix, AZ 850131336535517
  5. Marcel Gourian, ACNP-BCPhoenix, AZ 850131386088243
  6. Thomas Luzny, ACNPPhoenix, AZ 850131093141590
  7. Diane McLaughlin, APRN-CNP, DNPPhoenix, AZ 850131548697261
  8. Allyson McLean, AG-ACNPPhoenix, AZ 850131679964662

Common questions

What is Ashley Megan O'Neill, AGACNP's NPI number?

Ashley Megan O'Neill, AGACNP's National Provider Identifier (NPI) is 1104685452, issued on Mar 18, 2024. An NPI identifies a provider in billing; it is not a license.

Where is Ashley Megan O'Neill, AGACNP located?

The NPPES record lists a practice address at 500 W Thomas RD Ste 300, Phoenix, AZ, 85013. Phone: (602) 406-8000. Providers update this record themselves, so call before visiting.

How can I verify Ashley Megan O'Neill, AGACNP's license?

NPPES lists Arizona license number 308611, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Ashley Megan O'Neill, AGACNP prescribe under Medicare Part D?

In 2024, Ashley Megan O'Neill, AGACNP had 62 Medicare Part D claims for 22 beneficiaries; the average among acute care nurse practitioner prescribers was 594. 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.