Active NPI
Mason H Weiss, M.D.
- Specialist
- Inglewood, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Specialist
- License
- G44527
- 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, 2021
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 95-4170981 | Other | CA | GROUP PROVIDER ID |
| 00G445270 | Medicaid | CA | |
| G44527 | Other | CA | MEDICAL LICENSE |
Electronic endpoints 1
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Interventional Cardiology
- Education
- Other, 1975
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
Practice addresses (Care Compare)
501 E Hardy St
Inglewood, CA 90301-4057
Hospital & facility affiliations
- CHS Homecare
- Spirit Home Health Care
- Centinela Hospital Medical Center
- Torrance Memorial Medical Center
Merit-based Incentive Payment System (MIPS)
- Final score
- 93.88 of 100
- Quality
- 67.77
- Improvement activities
- 40
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Coronary angioplasty and stenting | 27 |
| Leg revascularization (restoring blood flow) | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| G44527 | CA | MD | Specialist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Apex Cardiology Consultants | Specialist | Current | 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
- https://fhir-api.fhirprod.aws.greenwayhealth.com/fhir/R4/2.16.840.1.113883.3.140.70734
- 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.
-
- Specialist
- Inglewood, CA
- NPI 1881669489
-
- Skilled Nursing Facility
- Culver City, CA
- NPI 1518997733
-
dba Cedars-Sinai Marina Del Rey Hospital
- General Acute Care Hospital
- Marina del Rey, CA
- NPI 1942269725
-
- General Acute Care Hospital
- Los Angeles, CA
- NPI 1639172372
-
dba Centinela Hospital Medical Center
- General Acute Care Hospital
- Inglewood, CA
- NPI 1336328244
-
dba Providence Little Company of Mary Medical Center Torrance
- General Acute Care Hospital
- Torrance, CA
- NPI 1902844988
-
dba Southern California Hospital at Hollywood, at Van Nuys, at Culver City
- General Acute Care Hospital
- Hollywood, CA
- NPI 1023010113
-
dba Southern California Hospital at Culver City
- Psychiatric Hospital Unit
- Culver City, CA
- NPI 1487905725
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba CHS Homecare
- Home Health Agency
- Signal Hill, CA
- NPI 1689730251
-
dba Centinela Hospital Medical Center
- General Acute Care Hospital
- Inglewood, CA
- NPI 1336328244
-
- General Acute Care Hospital
- Torrance, CA
- NPI 1467459776
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
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 10, 2021; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.