Active NPI
Michael Anthony Hahndorf, DPT
- Physical Therapist
- Belvidere, IL
National Provider Identifier
1578477113
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 070.027938
- Practice address
- 1916 Gateway Center Dr
Belvidere, IL 61008-9303 - Phone
- (815) 547-9580
- Fax
- (815) 547-9930
- NPI assigned
- Sep 30, 2026
- Last updated
- Sep 30, 2026
- 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 |
|---|---|---|---|---|
| Physical Therapist | 225100000X | 070.027938 | IL | Primary |
Addresses
Primary practice location
1916 Gateway Center Dr
Belvidere, IL 61008-9303
Mailing address
650 Cassia CT
Crystal Lake, IL 60012-2313
Phone (815) 321-3147
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1790726400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1790726400000",
"number": "1578477113",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "650 CASSIA CT",
"city": "CRYSTAL LAKE",
"state": "IL",
"postal_code": "600122313",
"telephone_number": "815-321-3147"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1916 GATEWAY CENTER DR",
"city": "BELVIDERE",
"state": "IL",
"postal_code": "610089303",
"telephone_number": "815-547-9580",
"fax_number": "815-547-9930"
}
],
"practiceLocations": [],
"basic": {
"last_name": "HAHNDORF",
"first_name": "MICHAEL",
"middle_name": "ANTHONY",
"credential": "DPT",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-09-30",
"last_updated": "2026-09-30",
"certification_date": "2026-09-30",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "IL",
"license": "070.027938",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Belvidere, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 30, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.