1. Home
  2. Directory
  3. California
  4. Long Beach
  5. Optometrist
  6. NPI Profile

DR. DARCY CALVIN RYAN O.D.
NPI 1184690950
Optometrist in Long Beach, CA

Active since February 23, 2006
2977 REDONDO AVE, LONG BEACH, CA 90806(562) 595-4366(562) 595-6092 Get Directions Write a Review

NPPES record last updated: June 20, 2011. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Darcy Calvin Ryan O.d. NPPES

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

DR. DARCY CALVIN RYAN O.D. (NPI 1184690950) is an individual optometrist in Long Beach, California, licensed in California (11208TPL) and active in the NPI registry since February 2006.

NPPES Registry Identity

NPI1184690950
Entity TypeIndividualMale
Primary Taxonomy152W00000X
Provider Legal NameDR. DARCY CALVIN RYANCredential: O.D.
Location Address2977 REDONDO AVELong Beach, CA 90806-2445
Mailing Address2977 Redondo AveLong Beach, CA 90806-2445 · (562) 595-4366 · Fax (562) 595-6092
Phone(562) 595-4366
Fax(562) 595-6092
Sole ProprietorYes
Enumeration DateFebruary 23, 2006
Last NPPES UpdateJune 20, 2011
✔ NPI 1184690950 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 · 11208TPL
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.
2977 REDONDO AVE, Long Beach, CA 90806
Open in Google Maps ↗

Other Identifiers 1

Medicare UPINU84823CA

Other Providers at the Same Location NPPES 3

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

HERTZOG OPTICAL, LLC
Ophthalmology
2977 REDONDO AVE
LONG BEACH, CA 90806
Los Angeles County (562) 595-8587
DR. LARS H HERTZOG M.D., F.A.C.S.
Ophthalmology
2977 REDONDO AVE
LONG BEACH, CA 90806
Los Angeles County (562) 426-1773
MAZONIA DIALYSIS LLC
Clinic/Center (End-Stage Renal Disease (ESRD) Treatment)
2977 REDONDO AVE
LONG BEACH, CA 90806
Los Angeles County (562) 988-3418

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 Darcy Ryan's NPI number?

The NPI number for Darcy Ryan is 1184690950. It was assigned to this individual provider in the NPPES registry on February 23, 2006.

Where is Darcy Ryan located?

Darcy Ryan practices at 2977 Redondo Ave, Long Beach, CA 90806. The listed phone number is (562) 595-4366.

What is Darcy Ryan's specialty?

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

When was this NPI record last updated?

The NPPES record for Darcy Ryan was last updated on June 20, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 15 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.