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JAMES GREGORY BOYAJIAN MD
NPI 1386853596
Internal Medicine - Critical Care Medicine in Santa Ana, CA

Active since May 22, 2007
1800 N BRISTOL ST, UNIT C #633, SANTA ANA, CA 92706(714) 978-7322 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About James Gregory Boyajian Md NPPES

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

JAMES GREGORY BOYAJIAN MD (NPI 1386853596) is an individual critical care medicine provider in Santa Ana, California, licensed in California (G065718) and active in the NPI registry since May 2007.

NPPES Registry Identity

NPI1386853596
Entity TypeIndividualMale
Primary Taxonomy207RC0200X
Provider Legal NameJAMES GREGORY BOYAJIANCredential: MD
Location Address1800 N BRISTOL ST, UNIT C #633Santa Ana, CA 92706-3343
Mailing Address1800 N Bristol St, Unit C #633Santa Ana, CA 92706-3343 · (714) 978-7322
Phone(714) 978-7322
Sole ProprietorNo
Enumeration DateMay 22, 2007
Last NPPES UpdateSeptember 11, 2025
✔ NPI 1386853596 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyInternal Medicine · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207RC0200X
License✔ Licensed in CA · G065718
Definition
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
Also ListedInternal MedicineTaxonomy 207R00000X · License G065718 (CA)
Also ListedInternal Medicine · Pulmonary DiseaseTaxonomy 207RP1001X · License G065718 (CA)
1800 N BRISTOL ST, Santa Ana, CA 92706
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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. AMIR AGHLARA D.C.
Chiropractor
1800 N BRISTOL ST, #C614
SANTA ANA, CA 92706
Orange County (714) 543-1414
ESSENTIAL DIAGNOSTICS
Physiological Laboratory
1800 N BRISTOL ST, SUITE C614
SANTA ANA, CA 92706
Orange County (714) 543-1414
MADHAVI J DESAI,DDS, INC.
Dentist
1800 N BRISTOL ST, #D
SANTA ANA, CA 92706
Orange County (714) 541-4411

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 James Boyajian's NPI number?

The NPI number for James Boyajian is 1386853596. It was assigned to this individual provider in the NPPES registry on May 22, 2007.

Where is James Boyajian located?

James Boyajian practices at 1800 N Bristol St Unit C #633, Santa Ana, CA 92706. The listed phone number is (714) 978-7322.

What is James Boyajian's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.

When was this NPI record last updated?

The NPPES record for James Boyajian was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.