Individual provider Active NPI

James Gregory Boyajian, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Santa Ana, CA
National Provider Identifier
1386853596
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
G065718 Issued in CA
Practice address
1800 N Bristol St
Unit C #633
Santa Ana, CA 92706-3343
Phone
(714) 978-7322
NPI assigned
May 22, 2007
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X G065718 CA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X G065718 CA Primary
Pulmonary Disease Physician 207RP1001X G065718 CA

Addresses

Primary practice location

1800 N Bristol St
Unit C #633
Santa Ana, CA 92706-3343

Mailing address

1800 N Bristol St
Unit C #633
Santa Ana, CA 92706-3343
Phone (714) 978-7322

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Not enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G065718CAMDInternal Medicine Physician

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1179792000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1757548800000",
    "number": "1386853596",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 N BRISTOL ST",
            "address_2": "UNIT C #633",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927063343",
            "telephone_number": "714-978-7322"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 N BRISTOL ST",
            "address_2": "UNIT C #633",
            "city": "SANTA ANA",
            "state": "CA",
            "postal_code": "927063343",
            "telephone_number": "714-978-7322"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BOYAJIAN",
        "first_name": "JAMES",
        "middle_name": "GREGORY",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2007-05-22",
        "last_updated": "2025-09-11",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "G065718",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "G065718",
            "primary": true
        },
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "G065718",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Santa Ana, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.