DR. NICHOLAS BRUCE OCONNOR DC
NPI 1831584960
Chiropractor in Newport Beach, CA

Q: What is Nicholas Oconnor's NPI number?

The NPI number for Nicholas Oconnor is 1831584960. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Q: What is Nicholas Oconnor's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Nicholas Oconnor was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since April 06, 2015Accepts Medicare Assignment

4700 VON KARMAN AVE STE 1000, NEWPORT BEACH, CA 92660(949) 734-4454(949) 209-2027 Get Directions Write a Review

NPPES record last updated: October 5, 2022. Verified against the NPPES registry weekly; last sync: November 01, 2026.

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About Dr. Nicholas Bruce Oconnor Dc NPPES

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

DR. NICHOLAS BRUCE OCONNOR DC (NPI 1831584960) is an individual chiropractor in Newport Beach, California, licensed in California (DC33211) and active in the NPI registry since April 2015. He maintains a secondary practice location in Santa Ana and is a graduate of Other (2014).

NPPES Registry Identity

NPI1831584960

Entity TypeIndividualMale

Primary Taxonomy111N00000X

Provider Legal NameDR. NICHOLAS BRUCE OCONNORCredential: DC

Location Address4700 VON KARMAN AVE STE 1000Newport Beach, CA 92660-2194

Mailing Address4700 Von Karman Ave Ste 1000Newport Beach, CA 92660-2194 · (949) 734-4454 · Fax (949) 209-2027

Phone(949) 734-4454

Fax(949) 209-2027

Sole ProprietorYes

Medical School CMSOtherGraduated 2014

Enumeration DateApril 6, 2015

Last NPPES UpdateOctober 5, 2022

NPPES CertifiedOctober 5, 2022

✔ NPI 1831584960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers

Taxonomy Code111N00000X

License✔ Licensed in CA · DC33211

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.

4700 VON KARMAN AVE STE 1000, Newport Beach, CA 92660

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Secondary Practice Location 1

Location 1999 N Tustin Ave, suite 201Santa Ana, CA 92705-3528 · Phone (714) 975-7950 · Fax (714) 975-7951

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. Nicholas Bruce Oconnor 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 ID9537418041

PECOS Enrollment IDI20180816001606

Medicare Billing Reassignments

Medicare enrollment records show Nicholas Oconnor reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Zaker Chiropractic Pain And Wellness Orange County Inc

Same address

Chiropractor

4700 VON KARMAN AVE STE 1000
Newport Beach, CA 92660

Reassigned Medicare billing, California enrollment

NPI 1235883950 (949) 734-4454

Zaker Chiropractic Corp

28 mi

Chiropractor

2537 PACIFIC COAST HWY STE B
Torrance, CA 90505

Reassigned Medicare billing, California enrollment
4 clinicians in this Medicare group

NPI 1114300480 (310) 606-1723

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, 3-4 spinal regions 98941

Chiropractic manipulative treatment for 3-4 spinal regions involves a trained professional applying controlled force to specific areas of your spine. This can help alleviate pain, improve physical function, and support your body's natural healing process.

232 services20 patients

Other Providers at the Same Location NPPES 4

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

DR. YERAL PATEL MD

Family Medicine

4700 VON KARMAN AVE STE 1000
NEWPORT BEACH, CA 92660

Orange County (949) 364-6888

MGNZ MEDICAL INC

Physical Medicine & Rehabilitation

4700 VON KARMAN AVE STE 1000
NEWPORT BEACH, CA 92660

Orange County (949) 734-4454

ZAKER CHIROPRACTIC PAIN AND WELLNESS ORANGE COUNTY INC

Chiropractor

4700 VON KARMAN AVE STE 1000
NEWPORT BEACH, CA 92660

Orange County (949) 734-4454

ALI NAJAFI, M.D., INC.

Neurological Surgery

4700 VON KARMAN AVE STE 1000
NEWPORT BEACH, CA 92660

Orange County (949) 734-4454

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 Nicholas Oconnor's NPI number?

The NPI number for Nicholas Oconnor is 1831584960. It was assigned to this individual provider in the NPPES registry on April 6, 2015.

Where is Nicholas Oconnor located?

Nicholas Oconnor practices at 4700 Von Karman Ave Ste 1000, Newport Beach, CA 92660. The listed phone number is (949) 734-4454.

What is Nicholas Oconnor's specialty?

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

Is Nicholas Oconnor enrolled in Medicare?

Yes. Nicholas Oconnor 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 organizations bill Medicare for Nicholas Oconnor's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Oconnor reassigns Medicare benefits to 2 organizations: Zaker Chiropractic Pain And Wellness Orange County Inc (Newport Beach, CA) and Zaker Chiropractic Corp (Torrance, CA). Each 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 Nicholas Oconnor's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Nicholas Oconnor was last updated on October 5, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.