Individual provider Active NPI

Mason H Weiss, M.D.

  • Specialist
  • Inglewood, CA
National Provider Identifier
1447256565
Registry record updated Nov 10, 2021
On this page

Key facts

NPPES NPI Registry
Primary specialty
SpecialistTaxonomy code 174400000X
License
G44527 Issued in CA
Practice address
501 E Hardy St
Ste 200
Inglewood, CA 90301-4057
Phone
(310) 672-3900
Fax
(310) 671-8438
NPI assigned
Jun 23, 2005
Last updated
Nov 10, 2021By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Nov 10, 2021

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Specialist 174400000X G44527 CA Primary

Addresses

Primary practice location

501 E Hardy St
Ste 200
Inglewood, CA 90301-4057

Mailing address

501 E Hardy St
Ste 200
Inglewood, CA 90301-4057
Phone (310) 672-3900

Other identifiers 3

IdentifierTypeStateIssuer
95-4170981OtherCAGROUP PROVIDER ID
00G445270MedicaidCA
G44527OtherCAMEDICAL LICENSE

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address mason.weiss@apex.directbygreenway.com Direct

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
I20100323000090 CA Practitioner - Interventional CardiologyPractitioner - Cardiovascular Disease (Cardiology)Practitioner - Internal Medicine 4789660119 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Interventional CardiologyAlso: Cardiovascular Disease (Cardiology), Internal Medicine
Education
Other, 1975
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Apex Cardiology ConsultantsGroup PAC ID 0345226767, 8 clinicians

Practice addresses (Care Compare)

501 E Hardy St
Inglewood, CA 90301-4057

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
93.88 of 100Reported as individual
Quality
67.77
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Coronary angioplasty and stenting27
Leg revascularization (restoring blood flow)1-10

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
G44527CAMDSpecialist

Practice roles

OrganizationSpecialtyStatusNew patients
Apex Cardiology Consultants Specialist CurrentSince Oct 1, 2011 Accepting new patients
Southern California Healthcare System, Inc Past Accepting new patients
Prime Healthcare Centinela, LLC Past Accepting new patients
Southern California Healthcare System, Inc Past Accepting new patients
Brotman Medical Center, Inc. Past Accepting new patients
Cedars-Sinai Medical Center Past Accepting new patients
Providence Health System Southern California Past Accepting new patients
Cedars-Sinai Marina Hospital Past Accepting new patients

Locations

501 E Hardy St
Ste 200
Inglewood, CA 90301
Phone (310) 672-3900

Networks

  • BSC 65 PLUS INDIVIDUAL MAPD

Interoperability endpoints

  • FHIR API: https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.140.70734
  • Direct secure messaging: mason.weiss@apex.directbygreenway.com

Organizations & group practices 8

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

Hospital & facility affiliations 4

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": "1119484800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1636502400000",
    "number": "1447256565",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "501 E HARDY ST",
            "address_2": "STE 200",
            "city": "INGLEWOOD",
            "state": "CA",
            "postal_code": "903014057",
            "telephone_number": "310-672-3900",
            "fax_number": "310-671-8438"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "501 E HARDY ST",
            "address_2": "STE 200",
            "city": "INGLEWOOD",
            "state": "CA",
            "postal_code": "903014057",
            "telephone_number": "310-672-3900",
            "fax_number": "310-671-8438"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WEISS",
        "first_name": "MASON",
        "middle_name": "H",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-06-23",
        "last_updated": "2021-11-10",
        "certification_date": "2021-11-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "174400000X",
            "taxonomy_group": "",
            "desc": "Specialist",
            "state": "CA",
            "license": "G44527",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "GROUP PROVIDER ID",
            "identifier": "95-4170981",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "00G445270",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAL LICENSE",
            "identifier": "G44527",
            "state": "CA"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "mason.weiss@apex.directbygreenway.com",
            "affiliation": "N",
            "endpointDescription": "Direct message address for secure communication",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "501 E Hardy St",
            "address_2": "Ste 200",
            "city": "Inglewood",
            "state": "CA",
            "country_code": "US",
            "postal_code": "903014057",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Inglewood, CA

Sources for this page

Verify at the official NPI Registry.