Individual provider Active NPI

Reza Sirous, M.D., MPH

  • Body Imaging Physician
  • Orange, CA
National Provider Identifier
1851822092
Registry record updated May 27, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Body Imaging PhysicianTaxonomy code 2085B0100X
License
A184987 Issued in CA
Practice address
101 The City Dr S
Orange, CA 92868-3201
Phone
(714) 456-8888
NPI assigned
Mar 21, 2017
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on May 27, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Diagnostic Radiology Physician 2085R0202X A184987 CA
Diagnostic Radiology Physician 2085R0202X 036170340 IL
Body Imaging Physician 2085B0100X A184987 CA Primary

Addresses

Primary practice location

101 The City Dr S
Orange, CA 92868-3201

Mailing address

150 Harvester Dr Ste 300
Burr Ridge, IL 60527-5965

Other practice location 1

5841 S Maryland Ave
Chicago, IL 60637-1443
Phone (888) 824-0200

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, IL2 enrollments
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 2

Enrollment IDStateProvider typePAC IDDetails
I20230711002217 CA Practitioner - Diagnostic Radiology 8325389737 Reassigns benefits to 4 organizations
I20241015001843 IL Practitioner - Diagnostic Radiology 8325389737 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Diagnostic Radiology
Education
Other, 2011
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
UC RegentsGroup PAC ID 3274446182, 105 clinicians

Practice addresses (Care Compare)

101 The City Dr S
Orange, CA 92868-3201
Phone (714) 456-7004

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
87.01 of 100Reported as group
Quality
86.78
Improvement activities
40
Cost
70.46

Merit-based Incentive Payment System (MIPS)

Final score
97.28 of 100Reported as group
Quality
89.92
Promoting interoperability
100
Improvement activities
40
Cost
78.23

Merit-based Incentive Payment System (MIPS)

Final score
100 of 100Reported as apm
Quality
82.45
Promoting interoperability
100
Improvement activities
40

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A184987CAMDDiagnostic Radiology Physician
036170340ILMDDiagnostic Radiology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University of California San Francisco CurrentSince Jun 30, 2023 Accepting new patients
University of California SFGH Medical Group CurrentSince Jul 1, 2023 Accepting new patients
University of California San Francisco CurrentSince Jun 30, 2023 Accepting new patients
University of Chicago CurrentSince Oct 1, 2024 Accepting new patients
The University of Chicago Medical Center CurrentSince Oct 1, 2024 Accepting new patients
UC Regents Diagnostic Radiology CurrentSince Sep 1, 2025 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 30, 2023 Accepting new patients
UCSF Medical Group Business Services CurrentSince Jun 30, 2023 Accepting new patients
University of Chicago CurrentSince Oct 1, 2024 Accepting new patients
University of California SFGH Medical Group Diagnostic Radiology CurrentSince Jul 1, 2023 Accepting new patients
The University of Chicago Medical Center General Acute Care Hospital CurrentSince Oct 1, 2024 Accepting new patients
UC Regents Diagnostic Radiology CurrentSince Sep 1, 2025 Accepting new patients
University of California Irvine Past Accepting new patients

Locations

3100 San Pablo Ave
Berkeley, CA 94702
Phone (510) 985-5020

101 The City Dr S
Orange, CA 92868
Phone (714) 456-6054

2330 Post St
San Francisco, CA 94115
Phone (415) 502-4444

400 Parnassus Ave
#A632
San Francisco, CA 94143
Phone (415) 473-1000

1001 Potrero Ave
Bldg 5
San Francisco, CA 94110
Phone (628) 206-5753

1001 Potrero Ave
San Francisco, CA 94110
Phone (415) 206-2305

2001 The Embarcadero
Ste 1500
San Francisco, CA 94143
Phone (415) 353-1606

150 Harvester Dr
Ste 300
Burr Ridge, IL 60527
Phone (773) 702-1061

47 W Polk St
Ste G1
Chicago, IL 60605
Phone (312) 567-6700

355 E Grand Ave
Chicago, IL 60611
Phone (312) 587-3432

350 N Wall St
Kankakee, IL 60901
Phone (815) 935-7500

120 N Oak St
Oak Brook Mall, IL 60521
Phone (630) 856-6700

Organizations & group practices 13

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.

View all 13

Hospital & facility affiliations 5

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": "1490054400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748304000000",
    "number": "1851822092",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "150 HARVESTER DR STE 300",
            "city": "BURR RIDGE",
            "state": "IL",
            "postal_code": "605275965"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "928683201",
            "telephone_number": "714-456-8888"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "5841 S Maryland Ave",
            "address_purpose": "LOCATION",
            "city": "Chicago",
            "state": "IL",
            "postal_code": "606371443",
            "country_code": "US",
            "telephone_number": "888-824-0200",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SIROUS",
        "first_name": "REZA",
        "credential": "M.D., MPH",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2017-03-21",
        "last_updated": "2025-05-27",
        "certification_date": "2025-05-27",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "CA",
            "license": "A184987",
            "primary": false
        },
        {
            "code": "2085R0202X",
            "taxonomy_group": "",
            "desc": "Radiology, Diagnostic Radiology",
            "state": "IL",
            "license": "036170340",
            "primary": false
        },
        {
            "code": "2085B0100X",
            "taxonomy_group": "",
            "desc": "Radiology, Body Imaging",
            "state": "CA",
            "license": "A184987",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Orange, CA

Sources for this page

Verify at the official NPI Registry.