NPPES file of Aug 9, 2026

Catherine O'Neill, NP-C

Family Nurse Practitioner · Tempe, AZ

Catherine O'Neill, NP-C is a family nurse practitioner with a practice address in Tempe, Arizona, and NPI 1760801369, issued on Apr 10, 2014. Check the license (Arizona AP5528, 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
1760801369
Name
Catherine O'Neill
Credential
NP-C
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
AP5528 AZ
Self-reported in NPPES; status is on the state search
Practice location
1492 S Mill Ave Ste 206214, Tempe, AZ 85281
Phone
(623) 288-3656
Enumerated
Apr 10, 2014
Record last updated
Apr 17, 2026
Fax
(480) 508-0891
Medicare enrollment
Enrolled (PECOS I20140710001303); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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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Verify Catherine 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 AP5528
    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

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43% more Medicare Part D claims than the average family nurse practitioner in 2024

1,869 Medicare Part D claims for 148 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Catherine O'Neill1,869
  2. Specialty average1,305

Most prescribed

  1. Lamotrigine114 claims
  2. Quetiapine Fumarate111 claims
  3. Fluoxetine Hcl109 claims
  4. Trazodone Hcl107 claims
  5. Escitalopram Oxalate104 claims
  6. Venlafaxine Hcl Er82 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: $1,394.18

75 payments; by number, the most common kind was food and beverage; the largest payer was Otsuka America Pharmaceutical, Inc. The 99,489 providers of this specialty with any payment received $650.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Catherine O'Neill$1,394.18
  2. Specialty average$650.95

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. Turnwell Mental Health OF Arizona, PCTempe, AZ

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

Catherine O'Neill among 5,933 family nurse practitioner records in Arizona

Catherine O'Neill, NP-C is one of 5,933 family nurse practitioner records with a practice address in Arizona. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 27% of them.

  • NPI issued2014 · 27% of these records are older, 69% newer
  • In a Medicare fileYes · 77% of these records are
  • In the CMS Doctors and Clinicians fileYes · 59% of these records are
  • Graduated2014 · median 2019 among the 3,510 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

148 family nurse practitioner records list a practice address in Tempe

They are 148 of the 4,310 NPPES records with a practice address in Tempe, and 5,933 family nurse practitioner records in Arizona.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Ginger Akins, MSN FNPTempe, AZ 852811679505275
  2. Lisa Eckerson, FNP-CTempe, AZ 852811689981177
  3. Michele Flanagan, NPTempe, AZ 852811427047687
  4. Jean Hayden, NPTempe, AZ 852811235210071
  5. Wendy Markovich, NPTempe, AZ 852811255304184
  6. Rebecca Nead, NP-CTempe, AZ 852811972831055
  7. Amy RobinsonTempe, AZ 852811679767172
  8. Ann Ryan, FNPTempe, AZ 852811457449977

Common questions

What is Catherine O'Neill, NP-C's NPI number?

Catherine O'Neill, NP-C's National Provider Identifier (NPI) is 1760801369, issued on Apr 10, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Catherine O'Neill, NP-C located?

The NPPES record lists a practice address at 1492 S Mill Ave Ste 206214, Tempe, AZ, 85281. Phone: (623) 288-3656. Providers update this record themselves, so call before visiting.

How can I verify Catherine O'Neill, NP-C's license?

NPPES lists Arizona license number AP5528, as entered by the provider. Search the Arizona board that licenses this profession; the NPPES record confirms identity only.

How much does Catherine O'Neill, NP-C prescribe under Medicare Part D?

In 2024, Catherine O'Neill, NP-C had 1,869 Medicare Part D claims for 148 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.