Active NPI
Natalie Marie Klobassa
- Physical Therapist
- Mason City, IA
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 096525
- Practice address
- 461 S Illinois Ave
Mason City, IA 50401-4439 - Phone
- (641) 423-6279
- NPI assigned
- Jun 20, 2019
- Last updated
- Nov 20, 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 |
|---|---|---|---|---|
| Physical Therapist | 225100000X | 096525 | IA | Primary |
Addresses
Primary practice location
461 S Illinois Ave
Mason City, IA 50401-4439
Mailing address
2122 York Rd Ste 300
Oak Brook, IL 60523-1925
Other names 1
- Natalie Marie Sinnwell
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IA
Enrollment records 1
Care Compare profile
Medicare Care Compare- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2019
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Telehealth
- Offers telehealth services
- Group practices
Practice addresses (Care Compare)
2210 Ave H
Fort Madison, IA 52627-4003
Phone (319) 219-5963
461 S Illinois Ave
Athletico Physical Therapy
Mason City, IA 50401-4439
Phone (641) 423-6279
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Athletico LTD | Physical Therapist | Current | Accepting new patients |
| Empowerme Asl, LLC | Physical Therapist | Current | Accepting new patients |
| Taylor Physical Therapy Associates LLC | Physical Therapist | Current | Accepting new patients |
| Empowerme Asl, LLC | Current | Accepting new patients | |
| Athletico LTD | Physical Therapist | Current | Accepting new patients |
| Taylor Physical Therapy Associates, LLC | Physical Therapist | Current | Accepting new patients |
| Taylor Physical Therapy Associates LLC | Physical Therapist | Current | Accepting new patients |
Locations
3252 Ridge Pt
Bettendorf, IA 52722
Phone (563) 332-4995
121 Tower St
Denver, IA 50622
Phone (319) 406-0185
461 S Illinois Ave
Mason City, IA 50401
Phone (641) 423-6279
1306 Highway 57
Ste B
Parkersburg, IA 50665
Phone (319) 346-9783
2122 York Rd
Ste 300
Oak Brook, IL 60523
Phone (630) 575-6250
1335 Strassner Dr
Saint Louis, MO 63144
Phone (314) 673-6723
Organizations & group practices 7
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.
-
- Physical Therapist
- Sumner, IA
- NPI 1861591745
-
- Physical Therapist
- Nashua, IA
- NPI 1437657293
-
dba Taylor Physical Therapy Associates
- Physical Therapist
- Denver, IA
- NPI 1861042178
-
dba Athletico Physical Therapy
- Clinic/Center
- Lafayette, IN
- NPI 1053044867
Physical Therapist
-
- Rehabilitation Clinic/Center
- Grand Island, NE
- NPI 1447944657
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1560988800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1763596800000",
"number": "1477113405",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "2122 YORK RD STE 300",
"city": "OAK BROOK",
"state": "IL",
"postal_code": "605231925"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "461 S ILLINOIS AVE",
"city": "MASON CITY",
"state": "IA",
"postal_code": "504014439",
"telephone_number": "641-423-6279"
}
],
"practiceLocations": [],
"basic": {
"last_name": "KLOBASSA",
"first_name": "NATALIE",
"middle_name": "MARIE",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2019-06-20",
"last_updated": "2025-11-20",
"certification_date": "2025-11-20",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "IA",
"license": "096525",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": [
{
"first_name": "NATALIE",
"last_name": "SINNWELL",
"middle_name": "MARIE",
"code": "1",
"type": "Former Name"
}
]
}
Other providers in Mason City, IA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Nov 20, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
- 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.