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DR. NADINE O'NEILL DC
NPI 1285657312
Chiropractor in Northport, NY

Active since July 26, 2006Accepts Medicare Assignment
120 WOODBINE AVE, NORTHPORT, NY 11768(631) 262-6900(631) 754-0678 Get Directions Write a Review

NPPES record last updated: March 21, 2008. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Nadine O'neill Dc NPPES

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

DR. NADINE O'NEILL DC (NPI 1285657312) is an individual chiropractor in Northport, New York, licensed in New York (X0032371) and active in the NPI registry since July 2006. She is a graduate of Other (1982).

NPPES Registry Identity

NPI1285657312
Entity TypeIndividualFemale
Primary Taxonomy111N00000X
Provider Legal NameDR. NADINE O'NEILLCredential: DC
Location Address120 WOODBINE AVENorthport, NY 11768-2897
Mailing Address120 Woodbine AveNorthport, NY 11768-2897 · (631) 262-6900 · Fax (631) 754-0678
Phone(631) 262-6900
Fax(631) 754-0678
Sole ProprietorNo
Medical School CMSOtherGraduated 1982
Enumeration DateJuly 26, 2006
Last NPPES UpdateMarch 21, 2008
✔ NPI 1285657312 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in NY · X0032371
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
120 WOODBINE AVE, Northport, NY 11768
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Other Identifiers 2

Medicare UPINT52426NY
Medicare PINX1899XFNA1NY

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Nadine O'neill Dc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749200699
PECOS Enrollment IDI20051206001046

Medicare Billing Reassignment

Medicare enrollment records show Nadine O'neill reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Nadine O'neill Chiropractor PC
Same address
Chiropractor
120 WOODBINE AVE
Northport, NY 11768
  • Reassigned Medicare billing, New York enrollment
NPI 1447308150 (631) 262-6900

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Chiropractic manipulative treatment, 1-2 spinal regions 98940
Chiropractic manipulative treatment focuses on adjusting your spine to improve your body's physical function. In this service, a chiropractor applies controlled force to 1-2 spinal regions. This helps to restore mobility and alleviate discomfort in those areas.
883 services76 patients

Other Providers at the Same Location NPPES 5

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

TAYLOR LEIGH BYRNES L.AC, LMT
Acupuncturist
120 WOODBINE AVE
NORTHPORT, NY 11768
Suffolk County (631) 780-2723
ALEXANDER ACUPUNCTURE
Acupuncturist
120 WOODBINE AVE
NORTHPORT, NY 11768
Suffolk County (631) 897-7133
NADINE O'NEILL CHIROPRACTOR PC
Chiropractor
120 WOODBINE AVE
NORTHPORT, NY 11768
Suffolk County (631) 262-6900
LINDA ELLEN BLAKE
Massage Therapist
120 WOODBINE AVE
NORTHPORT, NY 11768
Suffolk County (516) 353-8891
JACK ALEXANDER
Acupuncturist
120 WOODBINE AVE
NORTHPORT, NY 11768
Suffolk County (631) 897-7133

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 Nadine O'neill's NPI number?

The NPI number for Nadine O'neill is 1285657312. It was assigned to this individual provider in the NPPES registry on July 26, 2006.

Where is Nadine O'neill located?

Nadine O'neill practices at 120 Woodbine Ave, Northport, NY 11768. The listed phone number is (631) 262-6900.

What is Nadine O'neill's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Nadine O'neill enrolled in Medicare?

Yes. Nadine O'neill is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Nadine O'neill's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nadine O'neill reassigns Medicare benefits to Nadine O'neill Chiropractor PC (Northport, NY). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Nadine O'neill's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Nadine O'neill accept?

Health plans from Providence Health Plan list Nadine O'neill as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Nadine O'neill was last updated on March 21, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.