NPIMap

Individual provider Active NPI

Nathaniel A Greene, DO

  • Family Medicine Physician
  • Kingsport, TN
National Provider Identifier
1508420704
Registry record updated Jul 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
4547 Issued in TN
Practice address
444 Clinchfield St Ste 2700
Kingsport, TN 37660-3858
Phone
(423) 230-2700
Fax
(423) 239-7402
NPI assigned
Apr 24, 2019
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 9, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X 4547 TN Primary

Addresses

Primary practice location

444 Clinchfield St Ste 2700
Kingsport, TN 37660-3858

Mailing address

PO Box 632476
Cincinnati, OH 45263-2476
Phone (423) 230-2700

Other practice location 1

9333 Park West Blvd Ste 200
Knoxville, TN 37923-4317
Phone (865) 531-4600

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20220718001437 TN Practitioner - Family Practice 2961735055 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Lincoln Memorial University Medical Department, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
State of Franklin Healthcare Associates, PLLCGroup PAC ID 2466346291, 258 clinicians

Practice addresses (Care Compare)

444 Clinchfield St
Suite 2700
Kingsport, TN 37660-3858
Phone (423) 230-2700

Hospital & facility affiliations

  • Amedisys Home Health Home health agency, Johnson City, TN, CCN 447422
  • Wellmont Holston Valley Medical Center Hospital, Kingsport, TN, CCN 440017
  • Johnson City Medical Center Hospital, Johnson City, TN, CCN 440063
  • Indian Path Community Hospital Hospital, Kingsport, TN, CCN 440176

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal or shaving of skin growth1-10

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
State of Franklin Healthcare Associates PLLC Family Medicine CurrentSince Aug 1, 2022 Accepting new patients
State of Franklin Healthcare Associates PLLC CurrentSince Jul 17, 2022 Accepting new patients
Heal U, LLC PastSince Jun 1, 2022 Accepting new patients

Locations

313 Princeton Rd
Ste 3
Johnson City, TN 37601
Phone (423) 282-4819

444 Clinchfield St
Ste 2700
Kingsport, TN 37660
Phone (423) 230-2700

Interoperability endpoints

  • Direct secure messaging: nathanielgreene@sofha.allscriptsdirect.net
  • FHIR API: https://api.platform.athenahealth.com/24871/brand/1/csg/1/fhir/r4

Organizations & group practices 3

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.

Hospital & facility affiliations 6

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": "1556064000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1508420704",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 632476",
            "city": "CINCINNATI",
            "state": "OH",
            "postal_code": "452632476",
            "telephone_number": "423-230-2700",
            "fax_number": "423-239-7402"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "444 CLINCHFIELD ST STE 2700",
            "city": "KINGSPORT",
            "state": "TN",
            "postal_code": "376603858",
            "telephone_number": "423-230-2700",
            "fax_number": "423-239-7402"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "9333 Park West Blvd Ste 200",
            "address_purpose": "LOCATION",
            "city": "Knoxville",
            "state": "TN",
            "postal_code": "379234317",
            "country_code": "US",
            "telephone_number": "865-531-4600",
            "fax_number": "833-908-2096",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GREENE",
        "first_name": "NATHANIEL",
        "middle_name": "A",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2019-04-24",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "TN",
            "license": "4547",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Kingsport, TN

Sources for this page

Verify at the official NPI Registry.