Individual provider Active NPI

Warren David Johnston, MD

  • Cardiovascular Disease Physician
  • Orange, CA
National Provider Identifier
1427052802
Registry record updated Nov 3, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
G33255 Issued in CA
Practice address
1140 W la Veta Ave Ste 430
Orange, CA 92868-4226
Phone
(714) 543-5555
Fax
(714) 836-2427
NPI assigned
Jun 13, 2005
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 3, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Cardiovascular Disease Physician 207RC0000X G33255 CA Primary

Addresses

Primary practice location

1140 W la Veta Ave Ste 430
Orange, CA 92868-4226

Mailing address

1140 W la Veta Ave Ste 430
Orange, CA 92868-4226
Phone (714) 543-5555

Other identifiers 5

IdentifierTypeStateIssuer
DB3373OtherCARAILROAD MEDICARE
W13988AOtherCAMEDICARE PTAN
060041547OtherCARAILROAD MEDICARE
W13988OtherCAMEDICARE PTAN
00G332550MedicaidCA

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address wjohnston1373215@oc.providencedirect.org

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20080301000100 CA Practitioner - Cardiovascular Disease (Cardiology) 6103900063 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
University of Rochester School of Medicine and Dentistry, 1975
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Providence Medical FoundationGroup PAC ID 8921993205, 1,461 clinicians

Practice addresses (Care Compare)

1100 W Stewart Dr
Orange, CA 92868-3849
Phone (714) 633-9111

1140 W la Veta Ave
Suite 430
Orange, CA 92868-4226
Phone (714) 543-5555

1140 W la Veta Ave
Suite 770
Orange, CA 92868-4229
Phone (714) 835-8715

1950 Sunny Crest Dr
Suite 2900
Fullerton, CA 92835-3641
Phone (714) 992-5350

8078 E Santa Ana Canyon Rd
Anaheim, CA 92808-1108
Phone (714) 974-2900

Hospital & facility affiliations

  • Providence St. Joseph Hospital Hospital, Orange, CA, CCN 050069

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
G33255CAMDCardiovascular Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Providence Medical Foundation Current Accepting new patients
Providence Medical Foundation CurrentSince Sep 6, 2010 Accepting new patients
Providence Medical Foundation CurrentSince Sep 6, 2010 Accepting new patients
Providence Medical Foundation Past Accepting new patients
St Joseph Hospital of Orange Past Accepting new patients
St. Joseph Health Northern California, LLC Past Accepting new patients
Hoag Memorial Hospital Presbyterian Past Accepting new patients
Orange County Global Medical Center, Inc Past Accepting new patients
Cardiology Specialists of Orange County Past Accepting new patients

Locations

200 W Ctr St Promenade
Ste 300
Anaheim, CA 92805
Phone (714) 449-4841

1950 Sunny Crest Dr
Ste 2900
Fullerton, CA 92835

100 E Valencia Mesa Dr
Ste 105
Fullerton, CA 92835
Phone (714) 446-5200

1140 W La Veta Ave
Ste 430
Orange, CA 92868
Phone (714) 543-5555

Interoperability endpoints

  • FHIR API: https://fhir4.healow.com/fhir/r4/DCIGAA

Organizations & group practices 9

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1118620800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1635897600000",
    "number": "1427052802",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1140 W LA VETA AVE STE 430",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684226",
            "telephone_number": "714-543-5555",
            "fax_number": "714-836-2427"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1140 W LA VETA AVE STE 430",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928684226",
            "telephone_number": "714-543-5555",
            "fax_number": "714-836-2427"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "JOHNSTON",
        "first_name": "WARREN",
        "middle_name": "DAVID",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-13",
        "last_updated": "2021-11-03",
        "certification_date": "2021-11-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "CA",
            "license": "G33255",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "DB3373",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "W13988A",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE",
            "identifier": "060041547",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICARE PTAN",
            "identifier": "W13988",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G332550",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "wjohnston1373215@oc.providencedirect.org",
            "affiliation": "N",
            "address_1": "1140 W La Veta Ave Ste 430",
            "city": "Orange",
            "state": "CA",
            "country_code": "US",
            "postal_code": "928684226",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.