Individual provider Active NPI

Adam J Harshbarger, MD

  • Neurology Physician
  • Nashville, TN
National Provider Identifier
1699272443
Registry record updated Aug 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurology PhysicianTaxonomy code 2084N0400X
License
64901 Issued in TN
Practice address
3601 The Vanderbilt Clinic
Nashville, TN 37232-4550
Phone
(615) 322-5000
NPI assigned
Apr 9, 2018
Last updated
Aug 22, 2025By the provider in NPPES
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 22, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Neurology Physician 2084N0400X 64901 TN Primary

Addresses

Primary practice location

3601 The Vanderbilt Clinic
Nashville, TN 37232-4550

Mailing address

3841 Green Hills Village Dr Ste 200
Nashville, TN 37215-2691

Other practice location 1

1 Hospital Dr Ste 3200
Asheville, NC 28801-4550
Phone (828) 213-9530

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in TN, NC2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20220602001944 TN Practitioner - Neurology 5890173850 Reassigns benefits to 1 organization
I20230728002590 NC Practitioner - Neurology 5890173850

Care Compare profile

Medicare Care Compare
Specialty
Neurology
Education
Other, 2018
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Proactive Therapy of North Carolina IncGroup PAC ID 6305753120, shared by 5 NPIs, 540 clinicians
Vanderbilt University Medical CenterGroup PAC ID 5092023416, 3,510 clinicians

Practice addresses (Care Compare)

20 W Medical CT
Marion, NC 28752-4968
Phone (828) 659-8049

3601 The Vanderbilt Clinic
Nashville, TN 37232-5100
Phone (615) 322-3000

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
90.39 of 100Reported as apm
Quality
77.7
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
64901TNMDNeurology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
MH Mission Hospital, LLLP PastSince Aug 14, 2023 Accepting new patients

Interoperability endpoints

  • Direct secure messaging: aharshbarger404920@direct.vumc.org

Organizations & group practices 2

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

Hospital & facility affiliations 1

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1523232000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755820800000",
    "number": "1699272443",
    "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"
        },
        {
            "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": "372324550",
            "telephone_number": "615-322-5000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Hospital Dr Ste 3200",
            "address_purpose": "LOCATION",
            "city": "Asheville",
            "state": "NC",
            "postal_code": "288014550",
            "country_code": "US",
            "telephone_number": "828-213-9530",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "HARSHBARGER",
        "first_name": "ADAM",
        "middle_name": "J",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2018-04-09",
        "last_updated": "2025-08-22",
        "certification_date": "2025-08-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "2084N0400X",
            "taxonomy_group": "",
            "desc": "Psychiatry & Neurology, Neurology",
            "state": "TN",
            "license": "64901",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Nashville, TN

Sources for this page

Verify at the official NPI Registry.