Active NPI
Aiden J Siegel, DPT
- Physical Therapist
- Algonquin, IL
National Provider Identifier
1164350153
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Physical Therapist
- License
- 070039879
- Practice address
- 650 S Randall Rd
Algonquin, IL 60102-5944 - Phone
- (815) 398-9491
- Fax
- (815) 381-7498
- NPI assigned
- May 11, 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 | 070039879 | IL | Primary |
Addresses
Primary practice location
650 S Randall Rd
Algonquin, IL 60102-5944
Mailing address
PO Box 735263
Chicago, IL 60673-5263
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
Care Compare profile
Medicare Care Compare- Specialty
- Physical Therapist in Private Practice
- Education
- Other, 2026
- Medicare assignment
- Accepts the Medicare-approved amount as payment in full
- Group practices
- Orthomidwest, PLLC
Practice addresses (Care Compare)
650 S Randall Rd
Algonquin, IL 60102-5944
Phone (815) 381-7431
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 070039879 | IL | MD | Physical Therapist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1778457600000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1779926400000",
"number": "1164350153",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "PO BOX 735263",
"city": "CHICAGO",
"state": "IL",
"postal_code": "606735263"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "650 S RANDALL RD",
"city": "ALGONQUIN",
"state": "IL",
"postal_code": "601025944",
"telephone_number": "815-398-9491",
"fax_number": "815-381-7498"
}
],
"practiceLocations": [],
"basic": {
"last_name": "SIEGEL",
"first_name": "AIDEN",
"middle_name": "J",
"credential": "DPT",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2026-05-11",
"last_updated": "2026-05-28",
"certification_date": "2026-05-28",
"status": "A"
},
"taxonomies": [
{
"code": "225100000X",
"taxonomy_group": "",
"desc": "Physical Therapist",
"state": "IL",
"license": "070039879",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Algonquin, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- 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.