Timothy Gunn, PSY.D.

Primary specialty

PsychologistTaxonomy code 103T00000X

License

PSY23190 Issued in CA

Practice address

8300 Utica Ave Ste 245
Rancho Cucamonga, CA 91730-3852

Phone

(909) 989-4055

Fax

(909) 989-8005

NPI assigned

Mar 20, 2007

Sex

Male

Sole proprietor

Yes

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

Eligible to order & refer

• Part B services: No
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Medicare enrollment (NPD)

Enrolled

Practice roles

Locations

Interoperability endpoints

• Direct secure messaging: timothy.gunn.1@28621.direct.athenahealth.com

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.

• Optum Behavioral Care of California, P.C.

  • Clinical Psychologist
  • Rancho Cucamonga, CA
  • NPI 1417718297
  NPD
• Optum Behavioral Care of California, P.C.

  • Clinical Social Worker
  • Costa Mesa, CA
  • NPI 1447137740
  NPD
• Persona Neuro Behavior Group Inc.

  • Clinical Neuropsychologist
  • South Pasadena, CA
  • NPI 1881798171
  NPD (past)

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

{
    "created_epoch": "1174348800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1689724800000",
    "number": "1356466973",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8300 UTICA AVE STE 245",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917303852",
            "telephone_number": "909-989-4055",
            "fax_number": "909-989-8005"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8300 UTICA AVE STE 245",
            "city": "RANCHO CUCAMONGA",
            "state": "CA",
            "postal_code": "917303852",
            "telephone_number": "909-989-4055",
            "fax_number": "909-989-8005"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GUNN",
        "first_name": "TIMOTHY",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2007-03-20",
        "last_updated": "2023-07-19",
        "certification_date": "2023-07-19",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103T00000X",
            "taxonomy_group": "",
            "desc": "Psychologist",
            "state": "CA",
            "license": "PSY23190",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Angie Guijose, RBT
• Taja Monique Gullens, RBT
• Lori Lynn Gumescheimer, 224Z00000X
• Edward Earl Gundrum II, D.O.
• Gunn Behavioral Care of California, PC
• Michael Gunther, DPT
• Samantha Gutierrez-Curran
• Jessica Gutierrez-Romero
• Aileen Gutierrez
• Andre Gutierrez

• Psychologist in Rancho Cucamonga, CA
• Providers in Rancho Cucamonga, CA by specialty
• Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 19, 2023; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.