Doctor profile · Federal record

Dr. Nadine O'Neill, DC

Chiropractor (CMS: Chiropractic) · Northport, NY

  • NPI 1285657312
  • Accepts Medicare
  • 44 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
120 Woodbine Ave
Northport, NY 117682897
(631) 262-6900
fax (631) 754-0678

Credentials & registration

NPPES · NUCC
NPI registered
July 2006 — 20 yrs on file
Profile last updated
March 21, 2008
Year of graduation
1982 — 44 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
New York #X0032371

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1285657312. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
886
Distinct HCPCS
1
Medicare allowed
$27,205
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 886 82 $31

In context: peer comparison

Among 2 peers in Northport Chiropractor, average services per provider: 1,132. This provider delivers 0.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nadine O'Neill's medical specialty?
Dr. Nadine O'Neill practices Chiropractor in Northport, NY.
Where does Dr. Nadine O'Neill practice?
Dr. Nadine O'Neill practices at 120 Woodbine Ave, Northport, NY 117682897. Office phone: 6312626900.
What is Dr. Nadine O'Neill's NPI?
Dr. Nadine O'Neill's National Provider Identifier (NPI) is 1285657312, issued by NPPES.
Does Dr. Nadine O'Neill accept Medicare assignment?
Yes. Dr. Nadine O'Neill accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nadine O'Neill commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.