Steffanie Sims, M.S., BCBA

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1-24-78121 Issued in CA

Practice address

111 Deerwood Rd Ste 115
San Ramon, CA 94583-4445

Phone

(949) 325-4402

NPI assigned

Sep 10, 2020

Sex

Female

Sole proprietor

No

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Master of Science

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Prismatic Gardens PLLC

  • Behavior Analyst
  • Tumwater, WA
  • NPI 1265384101
  NPD Authorized official
• Ambitions Behavioral Health

  • Behavior Analyst
  • San Ramon, CA
  • NPI 1316488349
  NPD

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1599696000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1568077170",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "505 E ARNAUDO BLVD APT 1133",
            "city": "MOUNTAIN HOUSE",
            "state": "CA",
            "postal_code": "953918447",
            "telephone_number": "209-640-2182"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "111 DEERWOOD RD STE 115",
            "city": "SAN RAMON",
            "state": "CA",
            "postal_code": "945834445",
            "telephone_number": "949-325-4402"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "SIMS",
        "first_name": "STEFFANIE",
        "credential": "M.S., BCBA",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2020-09-10",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "CA",
            "license": "1-24-78121",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Alexandria Silva
• Tish Leiona Silva, LCSW
• Vera Silveira-Paul
• Sunday Alexandria Avise Simon
• Tomika Simpson
• Arvind Singh
• Divya Singh
• Haramandeep Singh, MD
• Harneet Singh
• Jaspreet K Singh

• Behavior Analyst in San Ramon, CA
• Providers in San Ramon, CA by specialty
• Behavior Analyst in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 25, 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.

Verify at the official NPI Registry.