Active NPI
Cassandra Barrera, M.S., CCC-SLP
- Speech-Language Pathologist
- Grayslake, IL
National Provider Identifier
1124959804
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Speech-Language Pathologist
- License
- 30994
- Practice address
- 1318 Churchill LN
Grayslake, IL 60030-3751 - Phone
- (951) 534-9916
- NPI assigned
- May 29, 2026
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Speech-Language Pathologist | 235Z00000X | 146.017466 | IL | |
| Speech-Language Pathologist | 235Z00000X | 30994 | CA | Primary |
Addresses
Primary practice location
1318 Churchill LN
Grayslake, IL 60030-3751
Mailing address
1318 Churchill LN
Grayslake, IL 60030-3751
Phone (951) 534-9916
Other practice location 1
675 Clover Valley Rd
Upper Lake, CA 95485-9220
Phone (707) 275-2655
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
- Credentials
- Master of Science
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 30994 | CA | MD | Speech-Language Pathologist |
| 146.017466 | IL | MD | Speech-Language Pathologist |
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1780012800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1780012800000",
"number": "1124959804",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1318 CHURCHILL LN",
"city": "GRAYSLAKE",
"state": "IL",
"postal_code": "600303751",
"telephone_number": "951-534-9916"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "1318 CHURCHILL LN",
"city": "GRAYSLAKE",
"state": "IL",
"postal_code": "600303751",
"telephone_number": "951-534-9916"
}
],
"practiceLocations": [
{
"address_1": "675 Clover Valley Rd",
"address_purpose": "LOCATION",
"city": "Upper Lake",
"state": "CA",
"postal_code": "954859220",
"country_code": "US",
"telephone_number": "707-275-2655",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "BARRERA",
"first_name": "CASSANDRA",
"credential": "M.S., CCC-SLP",
"sole_proprietor": "NO",
"sex": "F",
"enumeration_date": "2026-05-29",
"last_updated": "2026-05-29",
"certification_date": "2026-05-28",
"status": "A"
},
"taxonomies": [
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "IL",
"license": "146.017466",
"primary": false
},
{
"code": "235Z00000X",
"taxonomy_group": "",
"desc": "Speech-Language Pathologist",
"state": "CA",
"license": "30994",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Grayslake, IL
- Jeffrey Marlin Babiuk, D.D.S.
- Balanced Living Chiropractic & Wellness Center, LTD
- Balanced Living Chiropractic & Wellness Center, LTD
- Abigail Bappert, CCC-SLP
- Allena Maria Barbato, AMFT
- Lauren Mary Bartels
- Kim C Bateman, M.A., CCC-SLP
- Be the Change Counseling Services PC
- Scott Michael Beckman, PHYSICAL THERAPIST
- Madison Rose Belo, DPT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 29, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.