Doctor profile · Federal record

Dr. Steven Loniewski Loniewski, D.C.

Chiropractor (CMS: Chiropractic) · Hazlet, NJ

  • NPI 1821104829
  • Accepts Medicare
  • 28 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
57 Village CT
Hazlet, NJ 077301537
(732) 888-9141
fax (732) 888-9190

Credentials & registration

NPPES · NUCC
NPI registered
August 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1998 — 28 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
New Jersey #38MC00533200

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1821104829. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
944
Distinct HCPCS
2
Medicare allowed
$29,964
HCPCS Description Services Patients Avg allowed
98940 Chiropractic manipulative treatment, 1-2 spinal regions 776 49 $29
98941 Chiropractic manipulative treatment, 3-4 spinal regions 168 13 $42

In context: peer comparison

Among 4 peers in this city , average services per provider: 421. This provider delivers 2.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Steven Loniewski Loniewski's medical specialty?
Dr. Steven Loniewski Loniewski practices Chiropractor in Hazlet, NJ.
Where does Dr. Steven Loniewski Loniewski practice?
Dr. Steven Loniewski Loniewski practices at 57 Village CT, Hazlet, NJ 077301537. Office phone: 7328889141.
What is Dr. Steven Loniewski Loniewski's NPI?
Dr. Steven Loniewski Loniewski's National Provider Identifier (NPI) is 1821104829, issued by NPPES.
Does Dr. Steven Loniewski Loniewski accept Medicare assignment?
Yes. Dr. Steven Loniewski Loniewski accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Steven Loniewski Loniewski commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 1-2 spinal regions (HCPCS 98940); Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.