Robert G. Wahler, PH.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

P0000000277 Issued in TN

Practice address

601 Concord St
Ste.114
Knoxville, TN 37919-3307

Phone

(865) 523-6273

Fax

(865) 523-7596

NPI assigned

May 19, 2006

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Other identifiers 1

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

State licenses

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.

• Psychiatric Concepts, LLC

  • Psychiatric/Mental Health Nurse Practitioner
  • Knoxville, TN
  • NPI 1942286521
  NPD (past)

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

{
    "created_epoch": "1147996800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1770537375",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "601 CONCORD ST",
            "address_2": "STE.114",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379193307",
            "telephone_number": "865-523-6273",
            "fax_number": "865-523-7596"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "601 CONCORD ST",
            "address_2": "STE.114",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379193307",
            "telephone_number": "865-523-6273",
            "fax_number": "865-523-7596"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "WAHLER",
        "first_name": "ROBERT",
        "middle_name": "G.",
        "name_prefix": "Dr.",
        "credential": "PH.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-05-19",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "TN",
            "license": "P0000000277",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BCBS",
            "identifier": "2009763",
            "state": "TN"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Samuel Wagner Jr., BS
• Dennis Wagoner
• Wahid Hanna MD PC
• Wahid Hanna, MD, PC
• Wahid Hanna, MD, PC
• Derek Wakefield, DO
• Paul H Wakefield, MD
• Wal-Mart Associates Inc.
• Wal-Mart Stores East LP
• Wal-Mart Stores East LP

• 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 Jul 13, 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.