Active NPI
Sylvester Charles
- Assistant Behavior Analyst
- Elk Grove, CA
National Provider Identifier
1689534448
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Assistant Behavior Analyst
- License
- RBT-26-2848042
- Practice address
- 2218 Kausen Dr Ste 104
Elk Grove, CA 95758-7178 - Phone
- (888) 428-3223
- Fax
- (323) 866-1881
- NPI assigned
- Nov 14, 2025
- 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 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Behavior Technician | 106S00000X | |||
| Assistant Behavior Analyst | 106E00000X | RBT-26-2848042 | Primary |
Addresses
Primary practice location
2218 Kausen Dr Ste 104
Elk Grove, CA 95758-7178
Mailing address
501 Shatto PL Ste 100
Los Angeles, CA 90020-1747
Phone (888) 428-3223
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
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1763078400000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1789084800000",
"number": "1689534448",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "501 SHATTO PL STE 100",
"city": "LOS ANGELES",
"state": "CA",
"postal_code": "900201747",
"telephone_number": "888-428-3223",
"fax_number": "323-866-1881"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "2218 KAUSEN DR STE 104",
"city": "ELK GROVE",
"state": "CA",
"postal_code": "957587178",
"telephone_number": "888-428-3223",
"fax_number": "323-866-1881"
}
],
"practiceLocations": [],
"basic": {
"last_name": "CHARLES",
"first_name": "SYLVESTER",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2025-11-14",
"last_updated": "2026-09-11",
"certification_date": "2026-09-11",
"status": "A"
},
"taxonomies": [
{
"code": "106S00000X",
"taxonomy_group": "",
"desc": "Behavior Technician",
"state": null,
"license": null,
"primary": false
},
{
"code": "106E00000X",
"taxonomy_group": "",
"desc": "Assistant Behavior Analyst",
"state": null,
"license": "RBT-26-2848042",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}Other providers in Elk Grove, CA
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 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.