Active NPI
Sydney Anne Nicole Drozdowski
- Speech-Language Pathologist
- Naperville, IL
National Provider Identifier
1396609657
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- 146028761
- Practice address
- 2620 Leverenz Rd
Naperville, IL 60564-4723 - Phone
- (630) 428-7200
- NPI assigned
- Dec 11, 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 |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 146028761 | IL | Primary |
Addresses
Primary practice location
2620 Leverenz Rd
Naperville, IL 60564-4723
Mailing address
843 Pontiac CT Apt 613
Aurora, IL 60502-8847
Phone (630) 383-9074
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Not enrolled
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 146028761 | IL | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1765411200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1765411200000",
"number": "1396609657",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "843 PONTIAC CT APT 613",
"city": "AURORA",
"state": "IL",
"postal_code": "605028847",
"telephone_number": "630-383-9074"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2620 LEVERENZ RD",
"city": "NAPERVILLE",
"state": "IL",
"postal_code": "605644723",
"telephone_number": "630-428-7200"
}
],
"practiceLocations": [],
"basic": {
"last_name": "DROZDOWSKI",
"first_name": "SYDNEY",
"middle_name": "ANNE NICOLE",
"name_prefix": "Miss",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2025-12-11",
"last_updated": "2025-12-11",
"certification_date": "2025-12-11",
"status": "A"
},
"taxonomies": [
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "IL",
"license": "146028761",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Naperville, IL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.