Shannon Leinert Thomas, PHD

Primary specialty

Behavior AnalystTaxonomy code 103K00000X

License

1-18-30136 Issued in CA

Practice address

2535 Camino del Rio S
San Diego, CA 92108-3754

Phone

(800) 273-4292

Fax

(949) 253-4627

NPI assigned

Jan 22, 2018

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

Other names 1

• Shannon Marie Leinert Former name

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

Credentials

Doctor of Philosophy

Practice roles

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.

• Footprints Behavior Interventions

  • Community/Behavioral Health Agency
  • Fountain Valley, CA
  • NPI 1770004830
  NPD (past)
• Footprints Behavioral Interventions, Inc.

  • Early Intervention Provider Agency
  • Santa Ana, CA
  • NPI 1780978858
  NPD (past)

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

{
    "created_epoch": "1516579200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1784851200000",
    "number": "1447768668",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "11037 WARNER AVE # 339",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927084007",
            "telephone_number": "800-273-4292",
            "fax_number": "949-253-4627"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2535 CAMINO DEL RIO S",
            "city": "SAN DIEGO",
            "state": "CA",
            "postal_code": "921083754",
            "telephone_number": "800-273-4292",
            "fax_number": "949-253-4627"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "THOMAS",
        "first_name": "SHANNON",
        "middle_name": "LEINERT",
        "credential": "PHD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-01-22",
        "last_updated": "2026-07-24",
        "certification_date": "2026-07-24",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103K00000X",
            "taxonomy_group": "",
            "desc": "Behavior Analyst",
            "state": "CA",
            "license": "1-18-30136",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "SHANNON",
            "last_name": "LEINERT",
            "middle_name": "MARIE",
            "credential": "PHD",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Ralph Jamison Thomas, D.D.S.
• Renee Thomas
• Ronnie Dale Thomas, M.D.
• Sarah Thomas, ASW
• Shane Thomas, RN
• Shawnette Jovan Thomas
• Sophia Rene Thomas
• Stacie Erin Thomas, SLP
• Stephen Thomas, M.D.
• Steven Earl Thomas, CAS

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

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 24, 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.

Verify at the official NPI Registry.