NPIMap

Individual provider Active NPI

Justin H Hayase, M.D.

  • Clinical Cardiac Electrophysiology Physician
  • Los Angeles, CA
National Provider Identifier
1275896219
Registry record updated Oct 13, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Cardiac Electrophysiology PhysicianTaxonomy code 207RC0001X
License
A127730 Issued in CA
Practice address
100 UCLA Medical PLZ Ste 690
Los Angeles, CA 90024-7000
Phone
(310) 206-2235
NPI assigned
Jun 22, 2012
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Cardiac Electrophysiology Physician 207RC0001X A127730 CA Primary

Addresses

Primary practice location

100 UCLA Medical PLZ Ste 690
Los Angeles, CA 90024-7000

Mailing address

5767 W Century Blvd Ste 400
Los Angeles, CA 90045-5631

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20151103001928 CA Practitioner - Cardiac ElectrophysiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 6103136197 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Cardiac ElectrophysiologyAlso: Cardiovascular Disease (Cardiology)
Education
University of California, Geffen School of Medicine, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices

Practice addresses (Care Compare)

1526 N Edgemont St
Los Angeles, CA 90027-5260
Phone (323) 783-4011

4725 -4733 Sunset Blvd
Los Angeles, CA 90027-6021
Phone (323) 783-4011

4733 W Sunset Blvd
Los Angeles, CA 90027-6021
Phone (213) 667-4784

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.51 of 100Reported as group
Quality
79.37
Promoting interoperability
100
Improvement activities
40
Cost
73.65

Procedures performed for Medicare patients

ProcedureNumber of procedures
Pacemaker insertion or repair38

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A127730CAMDClinical Cardiac Electrophysiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Regents of the University of California CurrentSince Sep 19, 2015 Accepting new patients
County of Los Angeles CurrentSince Feb 15, 2021 Accepting new patients
County of Los Angeles CurrentSince Feb 15, 2021 Accepting new patients
Regents of the University of California Internal Medicine CurrentSince Sep 19, 2015 Accepting new patients
Regents of the University of California Current Accepting new patients
Regents Univ of Calif Los Angeles Past Accepting new patients

Locations

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

14445 Olive View Dr
Sylmar, CA 91342
Phone (881) 836-4303

Organizations & group practices 7

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 3

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": "1340323200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1760313600000",
    "number": "1275896219",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5767 W CENTURY BLVD STE 400",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900455631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 UCLA MEDICAL PLZ STE 690",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900247000",
            "telephone_number": "310-206-2235"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HAYASE",
        "first_name": "JUSTIN",
        "middle_name": "H",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2012-06-22",
        "last_updated": "2025-10-13",
        "certification_date": "2025-10-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Clinical Cardiac Electrophysiology",
            "state": "CA",
            "license": "A127730",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Los Angeles, CA

Sources for this page

Verify at the official NPI Registry.