1. Home
  2. Directory
  3. California
  4. Costa Mesa
  5. Internal Medicine
  6. NPI Profile

NICK MASHOUR M.D
NPI 1508896515
Internal Medicine in Costa Mesa, CA

Active since July 04, 2006
125 BAKER ST E, SUITE 180, COSTA MESA, CA 92626(714) 540-5900(714) 540-5906 Get Directions Write a Review

NPPES record last updated: January 31, 2013. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Nick Mashour M.d NPPES

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

NICK MASHOUR M.D (NPI 1508896515) is an individual internal medicine provider in Costa Mesa, California, licensed in California (A72007) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1508896515
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameNICK MASHOURCredential: M.D
Location Address125 BAKER ST E, SUITE 180Costa Mesa, CA 92626-4509
Mailing AddressPo Box 1867Huntington Beach, CA 92647-1867 · (714) 540-5900 · Fax (714) 540-5906
Phone(714) 540-5900
Fax(714) 540-5906
Sole ProprietorYes
Enumeration DateJuly 4, 2006
Last NPPES UpdateJanuary 31, 2013
✔ NPI 1508896515 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · A72007
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
125 BAKER ST E, Costa Mesa, CA 92626
Open in Google Maps ↗

Other Identifiers 1

Medicare ID-Type UnspecifiedA72007CA

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.

DR. TERRY T OGINO DC
Chiropractor (Sports Physician)
125 BAKER ST E, SUITE 100
COSTA MESA, CA 92626
Orange County (949) 813-2196
SOUTHERN CALIFORNIA PORTABLE X-RAY &EKG
Portable X-ray and/or Other Portable Diagnostic Imaging Supplier
125 BAKER ST E, STE.#110
COSTA MESA, CA 92626
Orange County (714) 979-2581
DOCTOR O INC
Chiropractor (Sports Physician)
125 BAKER ST E, SUITE 100
COSTA MESA, CA 92626
Orange County (949) 813-2196

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 Nick Mashour's NPI number?

The NPI number for Nick Mashour is 1508896515. It was assigned to this individual provider in the NPPES registry on July 4, 2006.

Where is Nick Mashour located?

Nick Mashour practices at 125 Baker St E Suite 180, Costa Mesa, CA 92626. The listed phone number is (714) 540-5900.

What is Nick Mashour's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for Nick Mashour was last updated on January 31, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.