Active NPI
Stephanie Rae Downing, MD
- Surgical Critical Care Physician
- Moreno Valley, CA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Surgical Critical Care Physician
- License
- 87555
- 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
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 6
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| Direct Messaging Address | s.downing@ruhealth.org | Direct |
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in WA, CA, WI
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Critical Care (Intensivists)
- Education
- Rush Medical College of Rush University, 2006
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
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
| License | State | Type | Specialty |
|---|---|---|---|
| A127403 | CA | MD | Surgical Critical Care Physician |
| 4301108085 | MI | MD | Surgical Critical Care Physician |
| 37504 | OK | MD | Surgical Critical Care Physician |
| 103575 | WI | MD | Surgical Critical Care Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| MCHS Hospitals Inc | Current | Accepting new patients | |
| Lakeview Medical Center Inc of Rice Lake | Current | Accepting new patients | |
| Flambeau Hospital Inc | Current | Accepting new patients | |
| MCHS Hospitals Inc | Current | Accepting new patients | |
| Beaver Dam Community Hospitals Inc | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | Accepting new patients | |
| Flambeau Hospital Inc | Current | Accepting new patients | |
| Memorial Hospital Inc | Current | Accepting new patients | |
| Beaver Dam Community Hospitals Inc | Current | Accepting new patients | |
| Marshfield Clinic Inc | Surgery | Current | Accepting new patients |
| Faculty Physicians and Surgeons of Llusm | Surgery | Current | Accepting new patients |
| MCHS Hospitals Inc | Current | Accepting new patients | |
| Faculty Physicians and Surgeons of Llusm | Current | 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
- sdowning740165@direct.peacehealth.org
- https://fhir-myrecord.cerner.com/r4/67ff075a-8289-4f2d-a8eb-5dc1f0d954ab/
- 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.
-
dba Marshfield Medical Center - Ladysmith
- Critical Access Hospital
- Ladysmith, WI
- NPI 1952890873
-
dba St. John Medical Center - PeaceHealth Medical Group
- Multi-Specialty Clinic/Center
- Longview, WA
- NPI 1720056187
-
- Thoracic Surgery (Cardiothoracic Vascular Surgery) Physician
- Apple Valley, CA
- NPI 1205009917
-
dba Marshfield Medical Center - Beaver Dam Professional Services
- Clinic/Center
- Beaver Dam, WI
- NPI 1972188555
-
dba MMC - Park Falls Outreach Services
- Clinic/Center
- Park Falls, WI
- NPI 1194317966
-
dba Marshfield Medical Center - Park Falls
- Critical Access Hospital
- Park Falls, WI
- NPI 1700963048
-
dba Marshfield Medical Center - Rice Lake Professional Services
- Clinic/Center
- Rice Lake, WI
- NPI 1093201832
-
dba Marshfield Clinic Florida Teleradiology/Telehealth
- Clinic/Center
- Marshfield, WI
- NPI 1952347981
Surgery
-
dba Marshfield Medical Center - Neillsville
- Critical Access Hospital
- Neillsville, WI
- NPI 1346239373
-
- Family Medicine Physician
- Moreno Valley, CA
- NPI 1558788331
-
- Vascular Surgery Physician
- Temecula, CA
- NPI 1891960415
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Marshfield Medical Center - Minocqua
- Rural Acute Care Hospital
- Minocqua, WI
- NPI 1376197665
-
dba Marshfield Medical Center
- Rural Acute Care Hospital
- Marshfield, WI
- NPI 1942749387
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
- Paulette Douglas, MFT
- Beatrice Elena Douglass
- John Alexander Dover
- Veronica Jeannette Dover, LMFT
- Kelly R Downey
- Dr Roland a Gaskins DPM Inc
- Dr Vimal Patel ,DDS Inc
- Dr. Deza's Dental Office Inc.
- Dr. Kassem Dental Corp
- Dr. Stacy Pipes-Joyner, Licensed Clinical Social Worker Inc. (Endeavor Youth & Family Services)
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2026; 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.