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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

ROGER V. OHANESIAN M.D.
NPI 1598729501
Ophthalmology in Laguna Hills, CA

Active since April 14, 2006
24401 CALLE DE LA LOUISA, SUITE 300, LAGUNA HILLS, CA 92653(949) 951-2020(949) 951-9244 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Roger V. Ohanesian M.d. NPPES

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

ROGER V. OHANESIAN M.D. (NPI 1598729501) is an individual ophthalmology provider in Laguna Hills, California, licensed in California (C31964) and active in the NPI registry since April 2006.

NPPES Registry Identity

NPI1598729501
Entity TypeIndividualMale
Primary Taxonomy207W00000X
Provider Legal NameROGER V. OHANESIANCredential: M.D.
Location Address24401 CALLE DE LA LOUISA, SUITE 300Laguna Hills, CA 92653-3623
Mailing Address675 Diamond StLaguna Beach, CA 92651-3405
Phone(949) 951-2020
Fax(949) 951-9244
Sole ProprietorNo
Enumeration DateApril 14, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1598729501 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOphthalmologyAllopathic & Osteopathic Physicians
Taxonomy Code207W00000X
License✔ Licensed in CA · C31964
Definition
An ophthalmologist has the knowledge and professional skills needed to provide comprehensive eye and vision care. Ophthalmologists are medically trained to diagnose, monitor and medically or surgically treat all ocular and visual disorders. This includes problems affecting the eye and its component structures, the eyelids, the orbit and the visual pathways. In so doing, an ophthalmologist prescribes vision services, including glasses and contact lenses.
24401 CALLE DE LA LOUISA, Laguna Hills, CA 92653
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Other Providers at the Same Location NPPES 19

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

MARK J LEVY O.D.
Optometrist
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 951-2020
EDWARD W. KIM M.D.
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 951-2020
DIANA H. KERSTEN M.D.
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 951-2020
LAGUNA HILLS REFRACTIVE LLC
Clinic/Center
24401 CALLE DE LA LOUISA, STE 300
LAGUNA HILLS, CA 92653
Orange County (636) 534-2300
JEFFREY L. JACOBS M.D.
Ophthalmology
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 951-2020
SANDRA MARIE BROWN M.S.
Genetic Counselor, MS
24401 CALLE DE LA LOUISA, SUITE 200
LAGUNA HILLS, CA 92653
Orange County (949) 452-7201
HARVARD HEARING, INC.
Hearing Aid Equipment
24401 CALLE DE LA LOUISA, SUITE 300
LAGUNA HILLS, CA 92653
Orange County (949) 900-5239
BREAST SPECIALISTS MEDICAL GROUP, INC.
Radiology (Diagnostic Radiology)
24401 CALLE DE LA LOUISA, STE. 200
LAGUNA HILLS, CA 92653
Orange County (949) 452-7200

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 Roger Ohanesian's NPI number?

The NPI number for Roger Ohanesian is 1598729501. It was assigned to this individual provider in the NPPES registry on April 14, 2006.

Where is Roger Ohanesian located?

Roger Ohanesian practices at 24401 Calle De La Louisa Suite 300, Laguna Hills, CA 92653. The listed phone number is (949) 951-2020.

What is Roger Ohanesian's specialty?

The primary specialty registered for this NPI is Ophthalmology with taxonomy code 207W00000X.

When was this NPI record last updated?

The NPPES record for Roger Ohanesian was last updated on July 13, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.