NPPES file of Aug 9, 2026

Erin A. O'Neal, FNP

Family Nurse Practitioner · Hattiesburg, MS

Erin A. O'Neal, FNP is a family nurse practitioner with a practice address in Hattiesburg, Mississippi, and NPI 1326594482, issued on Aug 29, 2016. Check the license (Mississippi 901554, as entered in NPPES) with the Mississippi 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
1326594482
Name
Erin A. O'Neal
Credential
FNP
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
901554 MS
Self-reported in NPPES; status is on the state search
Practice location
415 S 28TH Ave, Hattiesburg, MS 39401
Phone
(601) 268-5800
Enumerated
Aug 29, 2016
Record last updated
Dec 4, 2025
Fax
(601) 261-3530
Medicaid ID
08686358 MS
Medicare enrollment
Enrolled (PECOS I20161212001917); 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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Also registered at 415 S 28TH Ave

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

  1. Ralph Abraham, MDSurgery Physician1013931674
  2. Logan AbramsPerfusionist1346803061
  3. William Adcock, AGACNPCritical Care Medicine Nurse Practitioner1225894264
  4. Mansoor Ahmad, MDHospitalist Physician1154096758
  5. Mohammed Ahmed, MDHospitalist Physician1942224514
  6. Muthanna Al-Ghuraibawi, M.D.Hospitalist Physician1811622665

Verify Erin A. O'Neal in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Mississippi board licenses this profession
    Search for license 901554
    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 Mississippi 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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87% fewer Medicare Part D claims than the average family nurse practitioner in 2024

171 Medicare Part D claims for 92 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D.

  1. Erin O'Neal171
  2. Specialty average1,305

Most prescribed

  1. Azithromycin17 claims
  2. Meloxicam11 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: $105.61

6 payments; by number, the most common kind was food and beverage; the largest payer was Exact Sciences Corporation. 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. Erin O'Neal$105.61
  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. Hattiesburg Clinic PAHattiesburg, MS

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

Erin A. O'Neal among 3,798 family nurse practitioner records in Mississippi

Erin A. O'Neal, FNP is one of 3,798 family nurse practitioner records with a practice address in Mississippi. 81% 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 45% of them.

  • NPI issued2016 · 45% of these records are older, 50% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 68% of these records are
  • Graduated2016 · median 2017 among the 2,576 with a school on file
  • Record last updated2025 · 51% 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 Mississippi practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

174 family nurse practitioner records list a practice address in Hattiesburg

They are 174 of the 2,569 NPPES records with a practice address in Hattiesburg, and 3,798 family nurse practitioner records in Mississippi.

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Susan Blakeney, FNPHattiesburg, MS 394011891709572
  2. Mary Bolton, FNP-BCHattiesburg, MS 394011346227741
  3. Clara Grace, FNPHattiesburg, MS 394011306873450
  4. Annie Green, FNP-BCHattiesburg, MS 394011881671931
  5. Louise Guszick, CRNPHattiesburg, MS 394011427024413
  6. Rachel Harris, FNP- BCHattiesburg, MS 394011720024946
  7. Karen 'Kim' Howell, FNP-BCHattiesburg, MS 394011447237847
  8. Marti Jordan, PHD, NPHattiesburg, MS 394011306932033

Common questions

What is Erin A. O'Neal, FNP's NPI number?

Erin A. O'Neal, FNP's National Provider Identifier (NPI) is 1326594482, issued on Aug 29, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Erin A. O'Neal, FNP located?

The NPPES record lists a practice address at 415 S 28TH Ave, Hattiesburg, MS, 39401. Phone: (601) 268-5800. Providers update this record themselves, so call before visiting.

How can I verify Erin A. O'Neal, FNP's license?

NPPES lists Mississippi license number 901554, as entered by the provider. Search the Mississippi board that licenses this profession; the NPPES record confirms identity only.

How much does Erin A. O'Neal, FNP prescribe under Medicare Part D?

In 2024, Erin A. O'Neal, FNP had 171 Medicare Part D claims for 92 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.