Individual provider Active NPI

Matthew Blake Warren, MD

  • Critical Care Medicine (Internal Medicine) Physician
  • Riverside, CA
National Provider Identifier
1124412275
Registry record updated Mar 23, 2022
On this page

Key facts

NPPES NPI Registry
Primary specialty
Critical Care Medicine (Internal Medicine) PhysicianTaxonomy code 207RC0200X
License
A170797 Issued in CA
Practice address
4234 Riverwalk Pkwy Ste 230
Riverside, CA 92505-3312
Phone
(951) 781-3672
NPI assigned
Mar 26, 2015
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 23, 2022

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pulmonary Disease Physician 207RP1001X A170797 CA
Critical Care Medicine (Internal Medicine) Physician 207RC0200X A170797 CA Primary

Addresses

Primary practice location

4234 Riverwalk Pkwy Ste 230
Riverside, CA 92505-3312

Mailing address

PO Box 60219
Irvine, CA 92602-6007
Phone (951) 781-3672

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
I20210615000000 CA Practitioner - Critical Care (Intensivists)Practitioner - Pulmonary Disease 6901101427 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: Pulmonary Disease
Education
Other, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Department of State HospitalsGroup PAC ID 9638174238, 275 clinicians

Practice addresses (Care Compare)

11401 Bloomfield Ave
Norwalk, CA 90650-2015
Phone (916) 651-8811

Merit-based Incentive Payment System (MIPS)

Final score
73.59 of 100Reported as group
Quality
52.13
Improvement activities
40
Cost
66.42

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A170797CAMDPulmonary Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Department of State Hospitals CurrentSince Jan 2, 2024 Accepting new patients
Department of State Hospitals Current Accepting new patients
Department of State Hospitals CurrentSince Jan 2, 2024 Accepting new patients
El-Bershawi Medical Corp Critical Care Medicine CurrentSince Aug 1, 2021 Accepting new patients
Pacific Professional Surgical Group Inc Past Accepting new patients

Locations

4 Hughes
Ste 100
Irvine, CA 92618
Phone (949) 679-6874

11401 Bloomfield Ave
Norwalk, CA 90650
Phone (562) 863-7011

4234 Riverwalk Pkwy
Ste 230
Riverside, CA 92505
Phone (951) 373-5819

1215 O St
#3
Sacramento, CA 95814
Phone (916) 651-2805

Organizations & group practices 5

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.

NPI Registry JSON

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

{
    "created_epoch": "1427328000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1647993600000",
    "number": "1124412275",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 60219",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926026007",
            "telephone_number": "951-781-3672"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4234 RIVERWALK PKWY STE 230",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925053312",
            "telephone_number": "951-781-3672"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WARREN",
        "first_name": "MATTHEW",
        "middle_name": "BLAKE",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2015-03-26",
        "last_updated": "2022-03-23",
        "certification_date": "2022-03-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RP1001X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Pulmonary Disease",
            "state": "CA",
            "license": "A170797",
            "primary": false
        },
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "CA",
            "license": "A170797",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

Verify at the official NPI Registry.