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DR. MARK SHIGERU ISHIMARU MD
NPI 1821041161
Orthopaedic Surgery in Mission Viejo, CA

Active since May 18, 2006
26730 CROWN VALLEY PARKWAY, SUITE 200, MISSION VIEJO, CA 92691(949) 364-2154(949) 364-2110 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Mark Shigeru Ishimaru Md NPPES

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

DR. MARK SHIGERU ISHIMARU MD (NPI 1821041161) is an individual orthopaedic surgery provider in Mission Viejo, California, licensed in California (G27381) and active in the NPI registry since May 2006.

NPPES Registry Identity

NPI1821041161
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. MARK SHIGERU ISHIMARUCredential: MD
Location Address26730 CROWN VALLEY PARKWAY, SUITE 200Mission Viejo, CA 92691-8001
Mailing Address26730 Crown Valley Parkway, Suite 200Mission Viejo, CA 92691-8001 · (949) 364-2154 · Fax (949) 364-2110
Phone(949) 364-2154
Fax(949) 364-2110
Sole ProprietorYes
Enumeration DateMay 18, 2006
Last NPPES UpdateJuly 8, 2007
✔ NPI 1821041161 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
License✔ Licensed in CA · G27381
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
26730 CROWN VALLEY PARKWAY, Mission Viejo, CA 92691
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Other Identifiers 2

Medicare UPINA43336
Medicare ID-Type UnspecifiedG27381CA

Other Providers at the Same Location NPPES

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

ROGER SOHN INC
Orthopaedic Surgery
26730 CROWN VALLEY PARKWAY, SUITE 200
MISSION VIEJO, CA 92691
Orange County (949) 364-2154

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 Mark Ishimaru's NPI number?

The NPI number for Mark Ishimaru is 1821041161. It was assigned to this individual provider in the NPPES registry on May 18, 2006.

Where is Mark Ishimaru located?

Mark Ishimaru practices at 26730 Crown Valley Parkway Suite 200, Mission Viejo, CA 92691. The listed phone number is (949) 364-2154.

What is Mark Ishimaru's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

When was this NPI record last updated?

The NPPES record for Mark Ishimaru was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.