DR. JOHN RYAN CHRISTIANSEN OD
NPI 1194618801
Optometrist in Inglewood, CA

Active since May 31, 2025
3372 W CENTURY BLVD, INGLEWOOD, CA 90303(424) 732-7430 Get Directions Write a Review

NPPES record last updated: May 31, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. John Ryan Christiansen Od NPPES

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

DR. JOHN RYAN CHRISTIANSEN OD (NPI 1194618801) is an individual optometrist in Inglewood, California, licensed in California (35956) and active in the NPI registry since May 2025.

NPPES Registry Identity

NPI1194618801
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. JOHN RYAN CHRISTIANSENCredential: OD
Location Address3372 W CENTURY BLVDInglewood, CA 90303
Mailing Address300 W Ocean Blvd. Apt 6912Long Beach, CA 90802 · (615) 335-0792
Sole ProprietorNo
Enumeration DateMay 31, 2025
NPPES CertifiedMay 31, 2025
NPI 1194618801 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyOptometristEye and Vision Services Providers
Taxonomy Code152W00000X
License Licensed in CA · 35956
Definition
Doctors of optometry (ODs) are the primary health care professionals for the eye. Optometrists examine, diagnose, treat, and manage diseases, injuries, and disorders of the visual system, the eye, and associated structures as well as identify related systemic conditions affecting the eye. An optometrist has completed pre-professional undergraduate education in a college or university and four years of professional education at a college of optometry, leading to the doctor of optometry (O.D.) degree. Some optometrists complete an optional residency in a specific area of practice. Optometrists are eye health care professionals state-licensed to diagnose and treat diseases and disorders of the eye and visual system.
3372 W CENTURY BLVD, Inglewood, CA 90303

Accepted Insurance

Other Providers at the Same Location NPPES

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

Eyewear Supplier
3372 W CENTURY BLVD
INGLEWOOD, CA 90303

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 John Christiansen's NPI number?

The NPI number for John Christiansen is 1194618801. It was assigned to this individual provider in the NPPES registry on May 31, 2025.

Where is John Christiansen located?

John Christiansen practices at 3372 W Century Blvd, Inglewood, CA 90303. The listed phone number is (424) 732-7430.

What is John Christiansen's specialty?

The primary specialty registered for this NPI is Optometrist with taxonomy code 152W00000X.

What insurance does John Christiansen accept?

Health plans from Blue Cross Blue Shield of Wyoming, Blue Cross and Blue Shield of Louisiana, Blue Cross and Blue Shield of Montana, Blue Cross and Blue Shield of Oklahoma and Blue Cross and Blue Shield of Texas list John Christiansen as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for John Christiansen was last updated on May 31, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 months 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.