Gregory Spencer Wamack, MSN, APRN, FNP-C

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

18124 Issued in TN

Practice address

3601 The Vanderbilt Clinic
Nashville, TN 37232-5934

Phone

(615) 936-2000

NPI assigned

Nov 14, 2013

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in TN

Eligible to order & refer

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

Green means eligible to order or refer.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

Credentials

Master of Science - Nursing

State licenses

Interoperability endpoints

• Direct secure messaging: gwamack36410@direct.vumc.org
• Direct secure messaging: gregory.wamack.1@16588.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.

• Vanderbilt University Medical Center

  • Internal Medicine Physician
  • Nashville, TN
  • NPI 1104202761
  Medicare reassignment

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

{
    "created_epoch": "1384387200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1766448000000",
    "number": "1053741876",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3841 GREEN HILLS VILLAGE DR STE 200",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372152691",
            "telephone_number": "615-322-6842"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3601 THE VANDERBILT CLINIC",
            "city": "NASHVILLE",
            "state": "TN",
            "postal_code": "372325934",
            "telephone_number": "615-936-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "931 Old Smithville Rd",
            "address_purpose": "LOCATION",
            "city": "McMinnville",
            "state": "TN",
            "postal_code": "371105934",
            "country_code": "US",
            "telephone_number": "931-259-4144",
            "fax_number": "931-259-4143",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "WAMACK",
        "first_name": "GREGORY",
        "middle_name": "SPENCER",
        "credential": "MSN, APRN, FNP-C",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-11-14",
        "last_updated": "2025-12-23",
        "certification_date": "2025-12-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "TN",
            "license": "18124",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "gwamack36410@direct.vumc.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "Health Information Service Provider",
            "address_1": "3601 The Vanderbilt Clinic",
            "city": "Nashville",
            "state": "TN",
            "country_code": "US",
            "postal_code": "372325934",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Tabitha R Walton, LCSW
• Kimberly Dawn Waltrip, APRN-BC
• Steven Francis Waltz
• Anthony R. Walukonis, PT, DPT, MA, ATC
• Amr Ahmed Waly, MBBCH
• Dena Renee Wampler, APRN
• Megan Mallory Wanca, DNP, APRN, FNP-C
• Kayla Elizabeth Wand, DPM, MBA
• Jonathan Wanderer, MD
• Kelly Waner

• Family Nurse Practitioner in Nashville, TN
• Providers in Nashville, TN by specialty
• Family Nurse Practitioner in Tennessee

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Dec 23, 2025; 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.