Individual provider Active NPI

Stephanie Rae Downing, MD

  • Surgical Critical Care Physician
  • Moreno Valley, CA
National Provider Identifier
1174834055
Registry record updated Aug 25, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Surgical Critical Care PhysicianTaxonomy code 2086S0102X
License
87555 Issued in WI
Practice address
26520 Cactus Ave
Moreno Valley, CA 92555-3927
Phone
(951) 486-4000
NPI assigned
Jun 25, 2010
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 25, 2026

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

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Critical Care Medicine (Internal Medicine) Physician 207RC0200X 4301108085 MI
Surgery Physician 208600000X MD60445640 WA
Surgical Critical Care Physician 2086S0102X 37504 OK
Surgical Critical Care Physician 2086S0102X A127403 CA
Surgical Critical Care Physician 2086S0102X 4301108085 MI
Surgical Critical Care Physician 2086S0102X 87555 WI Primary

Addresses

Primary practice location

26520 Cactus Ave
Moreno Valley, CA 92555-3927

Mailing address

2080 Celadon Dr NE
Grand Rapids, MI 49525-3914
Phone (202) 375-8050

Other practice location 1

1615 Delaware St
Longview, WA 98632-2367
Phone (360) 501-3500

Other practice location 2

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address s.downing@ruhealth.org Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA, CA, WI3 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 3

Enrollment IDStateProvider typePAC IDDetails
I20140528000489 WA Practitioner - General Surgery 6002039708 Reassigns benefits to 1 organization
I20210304001308 CA Practitioner - General Surgery 6002039708 Reassigns benefits to 1 organization
I20260309002600 WI Practitioner - Critical Care (Intensivists)Practitioner - General Surgery 6002039708 Reassigns benefits to 9 organizations

Care Compare profile

Medicare Care Compare
Specialty
Critical Care (Intensivists)Also: General Surgery
Education
Rush Medical College of Rush University, 2006
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
MCHS Hospitals IncGroup PAC ID 5698071173, 1,195 clinicians
PeacehealthGroup PAC ID 5890689293, 188 clinicians

Practice addresses (Care Compare)

1000 N Oak Ave
Marshfield, WI 54449-5703
Phone (715) 387-5511

1615 Delaware St
Longview, WA 98632-2367
Phone (360) 636-4814

Hospital & facility affiliations

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
A127403CAMDSurgical Critical Care Physician
4301108085MIMDSurgical Critical Care Physician
37504OKMDSurgical Critical Care Physician
103575WIMDSurgical Critical Care Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MCHS Hospitals Inc CurrentSince Mar 5, 2026 Accepting new patients
Lakeview Medical Center Inc of Rice Lake CurrentSince Mar 5, 2026 Accepting new patients
Flambeau Hospital Inc CurrentSince Mar 5, 2026 Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 5, 2026 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Mar 5, 2026 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Feb 16, 2021 Accepting new patients
Flambeau Hospital Inc CurrentSince Mar 5, 2026 Accepting new patients
Memorial Hospital Inc CurrentSince Mar 5, 2026 Accepting new patients
Beaver Dam Community Hospitals Inc CurrentSince Mar 5, 2026 Accepting new patients
Marshfield Clinic Inc Surgery CurrentSince Mar 5, 2026 Accepting new patients
Faculty Physicians and Surgeons of Llusm Surgery Current Accepting new patients
MCHS Hospitals Inc CurrentSince Mar 5, 2026 Accepting new patients
Faculty Physicians and Surgeons of Llusm CurrentSince Feb 16, 2021 Accepting new patients
Spectrum Health Hospitals Past Accepting new patients
Riverside Healthcare System, L.P. Past Accepting new patients
Faculty Physicians and Surgeons of Llusm Surgery Past Accepting new patients
Peacehealth Past Accepting new patients
Iom Health System LP Past Accepting new patients
Peacehealth Past Accepting new patients
William Beaumont Hospital Past Accepting new patients
HCA Health Services of Oklahoma Inc Past Accepting new patients

Locations

81 Highland Springs Ave
Ste 103
Beaumont, CA 92223
Phone (909) 558-2830

25845 Barton Rd
Ste F
Loma Linda, CA 92354
Phone (909) 558-2828

11370 Anderson St
#B100
Loma Linda, CA 92354
Phone (909) 558-2848

11370 Anderson St
Ste 2100
Loma Linda, CA 92354
Phone (909) 558-2600

File Number 54701
Los Angeles, CA 90074
Phone (909) 651-4300

26520 Cactus Ave
Moreno Valley, CA 92555
Phone (951) 486-5610

26520 Cactus Ave
#D78
Moreno Valley, CA 92555
Phone (951) 486-5177

26520 Cactus Ave
Ste 2021
Moreno Valley, CA 92555
Phone (951) 486-5700

28078 Baxter Rd
Murrieta, CA 92563
Phone (760) 533-4541

3762 Tibbetts St
Riverside, CA 92506
Phone (951) 686-2224

44274 George Cushman Ct
Ste 208
Temecula, CA 92592
Phone (951) 501-4200

901 San Bernardino Rd
Ste 104
Upland, CA 91786
Phone (909) 542-2779

1000 N Oak Ave
Marshfield, WI 54449
Phone (715) 387-5111

Interoperability endpoints

  • Direct secure messaging: sdowning740165@direct.peacehealth.org
  • FHIR API: https://fhir-myrecord.cerner.com/r4/67ff075a-8289-4f2d-a8eb-5dc1f0d954ab/
  • Direct secure messaging: sdowning338420@direct.llu.edu

Organizations & group practices 23

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.

View all 23

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": "1277424000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787616000000",
    "number": "1174834055",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2080 CELADON DR NE",
            "city": "GRAND RAPIDS",
            "state": "MI",
            "postal_code": "495253914",
            "telephone_number": "202-375-8050"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "26520 CACTUS AVE",
            "city": "MORENO VALLEY",
            "state": "CA",
            "postal_code": "925553927",
            "telephone_number": "951-486-4000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1615 Delaware St",
            "address_purpose": "LOCATION",
            "city": "Longview",
            "state": "WA",
            "postal_code": "986322367",
            "country_code": "US",
            "telephone_number": "360-501-3500",
            "fax_number": "360-501-3555",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1000 N Oak Ave",
            "address_purpose": "LOCATION",
            "city": "Marshfield",
            "state": "WI",
            "postal_code": "544495703",
            "country_code": "US",
            "telephone_number": "715-387-5511",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "DOWNING",
        "first_name": "STEPHANIE",
        "middle_name": "RAE",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2010-06-25",
        "last_updated": "2026-08-25",
        "certification_date": "2026-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RC0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Critical Care Medicine",
            "state": "MI",
            "license": "4301108085",
            "primary": false
        },
        {
            "code": "208600000X",
            "taxonomy_group": "",
            "desc": "Surgery",
            "state": "WA",
            "license": "MD60445640",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "OK",
            "license": "37504",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "CA",
            "license": "A127403",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "MI",
            "license": "4301108085",
            "primary": false
        },
        {
            "code": "2086S0102X",
            "taxonomy_group": "",
            "desc": "Surgery, Surgical Critical Care",
            "state": "WI",
            "license": "87555",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "s.downing@ruhealth.org",
            "affiliation": "N",
            "endpointDescription": "Work Email",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Work Email",
            "address_1": "26520 Cactus Ave",
            "city": "Moreno Valley",
            "state": "CA",
            "country_code": "US",
            "postal_code": "925553927",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Moreno Valley, CA

Sources for this page

Verify at the official NPI Registry.