Katie Oneill
Family Nurse Practitioner · Fairfield, CT
Katie Oneill is a family nurse practitioner with a practice address in Fairfield, Connecticut, and NPI 1952220782, issued on Jul 14, 2026. Check the license with the Connecticut board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Katie Oneill
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License number
- F358430-01 NY
Self-reported in NPPES; status is on the state search - Practice location
- 5151 Park Ave, Fairfield, CT 06825
- Phone
- (203) 371-7999
- Enumerated
- Jul 14, 2026
- Record last updated
- Jul 14, 2026
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 2,669 in Connecticut → Look up another NPI →
Also registered at 5151 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Katie Oneill in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Connecticut board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Katie Oneill among 2,669 family nurse practitioner records in Connecticut
Katie Oneill is one of 2,669 family nurse practitioner records with a practice address in Connecticut. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2026, is newer than 97% of them.
- NPI issued2026 · 97% of these records are older, 0% newer
- In a Medicare fileNo · 76% of these records are
- In the CMS Doctors and Clinicians fileNo · 62% of these records are
- Record last updated2026 · 43% 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 Connecticut practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
38 family nurse practitioner records list a practice address in Fairfield
They are 38 of the 1,446 NPPES records with a practice address in Fairfield, and 2,669 family nurse practitioner records in Connecticut. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 2,669 in Connecticut → Every provider in Fairfield → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Cathleen Azarigian, APRNFairfield, CT 068251265757926
- Taylor Bugryn, FNP-BCFairfield, CT 068251669293510
- Jacqueline CoadyFairfield, CT 068251831045830
- Chelsea Huskins, APRNFairfield, CT 068251487903431
- Kerri MaciejkoFairfield, CT 068251154291458
- Mindy MilbrunFairfield, CT 068251235784596
- Jillian Ross, A.P.R.N.Fairfield, CT 068251427337666
- Boguslawa UngerFairfield, CT 068251851879191
Common questions
What is Katie Oneill's NPI number?
Katie Oneill's National Provider Identifier (NPI) is 1952220782, issued on Jul 14, 2026. An NPI identifies a provider in billing; it is not a license.
Where is Katie Oneill located?
The NPPES record lists a practice address at 5151 Park Ave, Fairfield, CT, 06825. Phone: (203) 371-7999. Providers update this record themselves, so call before visiting.
How can I verify Katie Oneill's license?
Search the Connecticut board that licenses this profession; the NPPES record confirms identity 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. 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.