Active NPI
Margaret Arlene Riddell
- Family Medicine Physician
- Marion, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Medicine Physician
- License
- A181578
- Practice address
- 3701 Katz Dr
Marion, IA 52302-3871 - Phone
- (319) 377-3174
- NPI assigned
- Apr 2, 2025
- 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 |
|---|---|---|---|---|
| Family Medicine Physician | 207Q00000X | A181578 | IA | Primary |
Addresses
Primary practice location
3701 Katz Dr
Marion, IA 52302-3871
Mailing address
7821 Kane Rd
Dubuque, IA 52003-9592
Phone (563) 564-0436
Other names 1
- Margaret Arlene Maus
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: No
Enrollment records 1
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250602003404 | IA | Practitioner - Nurse Practitioner | 6103335070 | Reassigns benefits to 1 organization |
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2024
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Mercy Physician Associates Inc
Practice addresses (Care Compare)
1790 Blairs Ferry Rd
Hiawatha, IA 52233-2033
Phone (319) 378-8362
3701 Katz Dr
Marion, IA 52302-3871
Phone (319) 377-3174
Hospital & facility affiliations
- Mercy Home Care
- Mercy Medical Center - Cedar Rapids
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| A181578 | IA | MD | Family Medicine Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercy Physician Associates, Inc | Family Medicine | Current | Accepting new patients |
| Mercy Physician Associates Inc | Family Medicine | Current | Accepting new patients |
| Mercy Physician Associates, Inc | Family Medicine | Current | Accepting new patients |
Locations
1790 Blairs Ferry Rd
Hiawatha, IA 52233
Phone (319) 378-8362
3701 Katz Dr
Marion, IA 52302
Phone (319) 373-3022
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.
-
- Family Medicine Physician
- Cedar Rapids, IA
- NPI 1427254952
Family Medicine, IA
-
- Rural Health Clinic/Center
- Tama, IA
- NPI 1154490779
-
- Rural Health Clinic/Center
- Monticello, IA
- NPI 1700955317
-
- Family Medicine Physician
- Cedar Rapids, IA
- NPI 1619554086
Family Medicine
Hospital & facility affiliations 2
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Home Health Agency
- Cedar Rapids, IA
- NPI 1639119332
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1743552000000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1743552000000",
"number": "1033913611",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "7821 KANE RD",
"city": "DUBUQUE",
"state": "IA",
"postal_code": "520039592",
"telephone_number": "563-564-0436"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "3701 KATZ DR",
"city": "MARION",
"state": "IA",
"postal_code": "523023871",
"telephone_number": "319-377-3174"
}
],
"practiceLocations": [],
"basic": {
"last_name": "RIDDELL",
"first_name": "MARGARET",
"middle_name": "ARLENE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-04-02",
"last_updated": "2025-04-02",
"certification_date": "2025-04-02",
"status": "A"
},
"taxonomies": [
{
"code": "207Q00000X",
"taxonomy_group": "",
"desc": "Family Medicine",
"state": "IA",
"license": "A181578",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "MARGARET",
"last_name": "MAUS",
"middle_name": "ARLENE",
"credential": "ARNP",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Marion, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 2, 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.