Active NPI
Marjorie Teresa Wimmer, MD
- Internal Medicine Physician
- Riverside, CA
National Provider Identifier
1003494147
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Internal Medicine Physician
- License
- A191760
- Practice address
- 6405 Day St
Riverside, CA 92507-0901 - Phone
- (951) 697-5414
- Fax
- (951) 697-5492
- NPI assigned
- Mar 30, 2021
- 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 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Internal Medicine Physician | 207R00000X | A191760 | CA | Primary |
Addresses
Primary practice location
6405 Day St
Riverside, CA 92507-0901
Mailing address
6405 Day St
Riverside, CA 92507-0901
Phone (951) 697-5414
Other practice location 1
14400 Olive View Dr
Sylmar, CA 91342-1436
Phone (818) 364-3313
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
- Family Practice
- Education
- Other, 2021
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
6405 Day St
Riverside, CA 92507-0901
Phone (951) 697-5556
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Riverside Medical Clinic, Inc | Current | Accepting new patients | |
| Riverside Medical Clinic, Inc | Internal Medicine | Current | Accepting new patients |
| Riverside Medical Clinic, Inc | Internal Medicine | Current | Accepting new patients |
Locations
3660 Arlington Ave
Riverside, CA 92506
Phone (951) 782-3789
6405 Day St
Riverside, CA 92507
Phone (909) 683-6370
Organizations & group practices 3
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.
-
- Dermatology Physician
- Riverside, CA
- NPI 1720183403
-
- Family Medicine Physician
- Murrieta, CA
- NPI 1700295607
Internal Medicine
-
- Internal Medicine Physician
- Riverside, CA
- NPI 1730180415
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1617062400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1744329600000",
"number": "1003494147",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6405 DAY ST",
"city": "RIVERSIDE",
"state": "CA",
"postal_code": "925070901",
"telephone_number": "951-697-5414",
"fax_number": "951-697-5492"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "6405 DAY ST",
"city": "RIVERSIDE",
"state": "CA",
"postal_code": "925070901",
"telephone_number": "951-697-5414",
"fax_number": "951-697-5492"
}
],
"practiceLocations": [
{
"address_1": "14400 Olive View Dr",
"address_purpose": "LOCATION",
"city": "Sylmar",
"state": "CA",
"postal_code": "913421436",
"country_code": "US",
"telephone_number": "818-364-3313",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "WIMMER",
"first_name": "MARJORIE",
"middle_name": "TERESA",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2021-03-30",
"last_updated": "2025-04-11",
"certification_date": "2025-04-11",
"status": "A"
},
"taxonomies": [
{
"code": "207R00000X",
"taxonomy_group": "",
"desc": "Internal Medicine",
"state": "CA",
"license": "A191760",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Riverside, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 11, 2025; 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.