Active NPI
Carl Floyd Maass
- Family Nurse Practitioner
- Oakland, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Family Nurse Practitioner
- License
- A177008
- Practice address
- 408 Kelsay Ave
Oakland, IA 51560-4128 - Phone
- (712) 899-8498
- Fax
- (601) 533-6259
- NPI assigned
- Feb 21, 2024
- Sex
- Male
- 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 Nurse Practitioner | 363LF0000X | A177008 | IA | Primary |
Addresses
Primary practice location
408 Kelsay Ave
Oakland, IA 51560-4128
Mailing address
408 Kelsay Ave
Oakland, IA 51560-4128
Phone (712) 899-8498
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 |
|---|---|---|---|---|
| I20240301002889 | IA | Practitioner - Nurse Practitioner | 0648615468 | Reassigns benefits to 3 organizations |
Care Compare profile
Medicare Care Compare- Specialty
- Nurse Practitioner
- Education
- Other, 2023
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- CH Specialty Services Ia PCCurana Health of Iowa PLLC
Practice addresses (Care Compare)
444 N W View Dr
Osceola, IA 50213-8267
Phone (337) 991-9276
Hospital & facility affiliations
- Care Initiatives Hospice - Greenfield
- Cass County Memorial Hospital
- Myrtue Medical Center
- Atlantic Specialty Care
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Nurse Practitioner
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Mercyone Central Iowa Urgent Care | Current | Accepting new patients | |
| CH Specialty Services Ia PC | Current | Accepting new patients | |
| Curana Health of Iowa PLLC | Current | Accepting new patients |
Locations
200 16th Ave E
Spc Care
Albia, IA 52531
6601 SW 9th St
Ste 3
Des Moines, IA 50315
Phone (515) 461-9786
6601 SW 9th St
Ste 2
Des Moines, IA 50315
2006 N 4th St
Ste 100
Indianola, IA 50125
Phone (515) 241-2000
444 N West View Dr
Osceola, IA 50213
Phone (641) 342-6061
444 N West View Dr
Spc Care
Osceola, IA 50213
10319 Jefferson Hwy
Baton Rouge, LA 70809
Phone (224) 214-9352
Interoperability endpoints
- https://fhir.nextgen.com/nge/prod/fhir-api-r4/fhir/r4/
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.
Hospital & facility affiliations 4
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
- Critical Access Hospital
- Harlan, IA
- NPI 1598871469
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1708473600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1749168000000",
"number": "1922864693",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "408 KELSAY AVE",
"city": "OAKLAND",
"state": "IA",
"postal_code": "515604128",
"telephone_number": "712-899-8498"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "408 KELSAY AVE",
"city": "OAKLAND",
"state": "IA",
"postal_code": "515604128",
"telephone_number": "712-899-8498",
"fax_number": "601-533-6259"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MAASS",
"first_name": "CARL",
"middle_name": "FLOYD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2024-02-21",
"last_updated": "2025-06-06",
"certification_date": "2025-06-06",
"status": "A"
},
"taxonomies": [
{
"code": "363LF0000X",
"taxonomy_group": "",
"desc": "Nurse Practitioner, Family",
"state": "IA",
"license": "A177008",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Oakland, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 6, 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.