Catherine M Grello, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

2686 Issued in TN

Practice address

6231 Highland Place Way Ste 201
Knoxville, TN 37919-4083

Phone

(865) 584-8547

Fax

(865) 584-5932

NPI assigned

Feb 1, 2007

Last updated

Mar 7, 2026By the provider in NPPES

Sex

Female

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

Enrolled in TN

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Psychologist

Education

Other, 2005

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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

{
    "created_epoch": "1170288000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1772841600000",
    "number": "1407993892",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6231 HIGHLAND PLACE WAY STE 201",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379194083",
            "telephone_number": "865-584-8547",
            "fax_number": "865-584-5932"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6231 HIGHLAND PLACE WAY STE 201",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379194083",
            "telephone_number": "865-584-8547",
            "fax_number": "865-584-5932"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRELLO",
        "first_name": "CATHERINE",
        "middle_name": "M",
        "credential": "PH.D.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2007-02-01",
        "last_updated": "2026-03-07",
        "certification_date": "2026-03-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "TN",
            "license": "2686",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Lori Ann Gregory, LMFT(T)
• Lynellen Gregory, MD
• Robert Randolph Gregory, LPC-MHSP
• Sydney Gregory
• Matthew Michael Greiner, P.A.
• Debra E Gresham, CRNA
• Jill Cole Gresham, AUDIOLOGIST
• Jordan Alexandra Gresham, BS
• Donna Reece Grewall, RN
• Andrea Griego, MS

• Clinical Psychologist in Knoxville, TN
• Providers in Knoxville, TN by specialty
• Clinical Psychologist in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 7, 2026; 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.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.