DIANA ONEILL FNP
NPI 1427109990
Nurse Practitioner - Family in Hewlett, NY

Active since January 12, 2007PECOS Enrolled
1436 BROADWAY, HEWLETT, NY 11557(929) 210-6550(929) 210-6551 Get Directions Write a Review

NPPES record last updated: March 14, 2014. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Diana Oneill Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DIANA ONEILL FNP (NPI 1427109990) is an individual family provider in Hewlett, New York, licensed in New York (F330067) and active in the NPI registry since January 2007. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1427109990
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameDIANA ONEILLCredential: FNP
Location Address1436 BROADWAYHewlett, NY 11557-1405
Mailing Address1436 BroadwayHewlett, NY 11557-1405 · (929) 210-6550 · Fax (929) 210-6551
Fax(929) 210-6551
Sole ProprietorNo
Enumeration DateJanuary 12, 2007
Last NPPES UpdateMarch 14, 2014
NPI 1427109990 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
License Licensed in NY · F330067
1436 BROADWAY, Hewlett, NY 11557

Other Identifiers 2

Medicaid02318963NY
Medicare UPINS64252NY

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Diana Oneill Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 11557 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$105.06 typical visit price
range $67.40 – $203.53
Typical copayment $26.26 (range $16.85 – $50.88)
Most-billed visit code 99203
Established Patient
$117.62 typical visit price
range $21.66 – $164.45
Typical copayment $29.40 (range $5.41 – $41.11)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 13

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Nurse Practitioner (Family)
1436 BROADWAY
HEWLETT, NY 11557
Pediatrics
1436 BROADWAY
HEWLETT, NY 11557
Nurse Practitioner (Family)
1436 BROADWAY
HEWLETT, NY 11557
Obstetrics & Gynecology
1436 BROADWAY
HEWLETT, NY 11557
Family Medicine
1436 BROADWAY
HEWLETT, NY 11557
Pediatrics
1436 BROADWAY
HEWLETT, NY 11557
Internal Medicine
1436 BROADWAY
HEWLETT, NY 11557
Internal Medicine (Pulmonary Disease)
1436 BROADWAY
HEWLETT, NY 11557

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Diana Oneill's NPI number?

The NPI number for Diana Oneill is 1427109990. It was assigned to this individual provider in the NPPES registry on January 12, 2007.

Where is Diana Oneill located?

Diana Oneill practices at 1436 Broadway, Hewlett, NY 11557. The listed phone number is (929) 210-6550.

What is Diana Oneill's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Diana Oneill enrolled in Medicare?

Yes. Diana Oneill is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Diana Oneill was last updated on March 14, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.