Doctor profile · Federal record

Dr. Michael O'Halleran, D.C.

Chiropractor (CMS: Chiropractic) · Massapequa, NY

  • NPI 1043345978
  • Accepts Medicare
  • 39 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
935 N Broadway
Massapequa, NY 117582308
(516) 798-2332
Mailing address
149 Biltmore Blvd
Massapequa, NY 117587244

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1987 — 39 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
New York #X005092-1

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1043345978. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
1,700
Distinct HCPCS
1
Medicare allowed
$52,944
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 1,700 118 $31

In context: peer comparison

Among 6 peers in this city , average services per provider: 776. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael O'Halleran's medical specialty?
Dr. Michael O'Halleran practices Chiropractor in Massapequa, NY.
Where does Dr. Michael O'Halleran practice?
Dr. Michael O'Halleran practices at 935 N Broadway, Massapequa, NY 117582308. Office phone: 5167982332.
What is Dr. Michael O'Halleran's NPI?
Dr. Michael O'Halleran's National Provider Identifier (NPI) is 1043345978, issued by NPPES.
Does Dr. Michael O'Halleran accept Medicare assignment?
Yes. Dr. Michael O'Halleran accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Michael O'Halleran commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940). Source: CMS Medicare Physician & Other Practitioners file.