Doctor profile · Federal record

Dr. Nicholas Oconnor, DC

Chiropractor (CMS: Chiropractic) · Newport Beach, CA

  • NPI 1831584960
  • Accepts Medicare
  • 12 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
4700 von Karman Ave Ste 1000
Newport Beach, CA 926602194
(949) 734-4454
fax (949) 209-2027
Additional location
999 N Tustin Ave, Suite 201
Santa Ana, CA 927053528
(714) 975-7950
fax (714) 975-7951

Credentials & registration

NPPES · NUCC
NPI registered
April 2015 — 11 yrs on file
Profile last updated
October 5, 2022
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
111N00000X — NUCC code
State license (1)
California #DC33211

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831584960. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
139
Distinct HCPCS
1
Medicare allowed
$6,003
HCPCS Description Services Patients Avg allowed
98941 Chiropractic manipulative treatment, 3-4 spinal regions 139 19 $43

In context: peer comparison

Among 9 peers in this city , average services per provider: 591. This provider delivers 0.2× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Nicholas Oconnor's medical specialty?
Dr. Nicholas Oconnor practices Chiropractor in Newport Beach, CA.
Where does Dr. Nicholas Oconnor practice?
Dr. Nicholas Oconnor practices at 4700 von Karman Ave Ste 1000, Newport Beach, CA 926602194. Office phone: 9497344454.
What is Dr. Nicholas Oconnor's NPI?
Dr. Nicholas Oconnor's National Provider Identifier (NPI) is 1831584960, issued by NPPES.
Does Dr. Nicholas Oconnor accept Medicare assignment?
Yes. Dr. Nicholas Oconnor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Nicholas Oconnor commonly perform?
Top Medicare-reported procedures in 2023: Chiropractic manipulative treatment, 3-4 spinal regions (HCPCS 98941). Source: CMS Medicare Physician & Other Practitioners file.