Individual provider Active NPI

Nathaniel Clifford Klein, M.D., M.B.A., M.S.

  • Obstetrics & Gynecology Physician
  • Morristown, TN
National Provider Identifier
1780949297
Registry record updated Aug 17, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
License
60789 Issued in TN
Practice address
609 McFarland St
Morristown, TN 37814-3976
Phone
(423) 492-7125
NPI assigned
Jul 10, 2012
Last updated
Aug 17, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 17, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Gynecology Physician 207VG0400X MD0000060789 TN
Obstetrics & Gynecology Physician 207V00000X 60789 TN Primary

Addresses

Primary practice location

609 McFarland St
Morristown, TN 37814-3976

Mailing address

609 McFarland Street
Knoxville, TN 37995-0001
Phone (423) 492-7125

Other practice location 1

1440 Cedar Ln
Tullahoma, TN 37388-2485
Phone (615) 322-5000

Other practice location 2

1919 Charlotte Ave Ste 101
Nashville, TN 37203-2240
Phone (615) 341-4419

Other identifiers 1

IdentifierTypeStateIssuer
Q056848MedicaidTN

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address klein.nathaniel.clifford@covenanthealth.cernerdirect.com Direct

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NV, TN2 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
I20180212000431 NV Practitioner - Obstetrics/Gynecology 2466750708
I20200507002078 TN Practitioner - Obstetrics/Gynecology 2466750708 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Vanderbilt Integrated Providers LLCGroup PAC ID 7012817919, shared by 6 NPIs, 82 clinicians

Practice addresses (Care Compare)

1440 Cedar LN
Tullahoma, TN 37388-2486
Phone (931) 461-1101

Vanderbilt Integrated Providers Uro
Tullahoma, TN 37388-2486
Phone (931) 393-7056

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
98.01 of 100Reported as apm
Quality
87.65
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Master of Business Administration, Doctor of Medicine, Master of Science

State licenses

LicenseStateTypeSpecialty
60789TNMDObstetrics & Gynecology Physician
MD0000060789TNMDGynecology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Meharry Medical College CurrentSince Sep 8, 2022 Accepting new patients
Healthcare Partners Medical Group Coats LTD Current Accepting new patients
Metropolitan Hospital Authority CurrentSince Apr 27, 2020 Accepting new patients

Locations

1005 Dr Db Todd Jr Blvd
Nashville, TN 37208
Phone (615) 327-6000

1818 Albion St
Nashville, TN 37208
Phone (615) 341-4000

1919 Charlotte Ave
Nashville, TN 37203
Phone (615) 225-3700

1919 Charlotte Ave
Ste 101
Nashville, TN 37203
Phone (615) 341-4419

Interoperability endpoints

  • Direct secure messaging: nklein893480@direct.vumc.org

Organizations & group practices 4

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": "1341878400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786924800000",
    "number": "1780949297",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "609 MCFARLAND STREET",
            "city": "KNOXVILLE",
            "state": "TN",
            "postal_code": "379950001",
            "telephone_number": "423-492-7125"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "609 MCFARLAND ST",
            "city": "MORRISTOWN",
            "state": "TN",
            "postal_code": "378143976",
            "telephone_number": "423-492-7125"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1440 Cedar Ln",
            "address_purpose": "LOCATION",
            "city": "Tullahoma",
            "state": "TN",
            "postal_code": "373882485",
            "country_code": "US",
            "telephone_number": "615-322-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1919 Charlotte Ave Ste 101",
            "address_purpose": "LOCATION",
            "city": "Nashville",
            "state": "TN",
            "postal_code": "372032240",
            "country_code": "US",
            "telephone_number": "615-341-4419",
            "fax_number": "615-341-4466",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KLEIN",
        "first_name": "NATHANIEL",
        "middle_name": "CLIFFORD",
        "name_prefix": "Dr.",
        "credential": "M.D., M.B.A., M.S.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-07-10",
        "last_updated": "2026-08-17",
        "certification_date": "2026-08-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VG0400X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Gynecology",
            "state": "TN",
            "license": "MD0000060789",
            "primary": false
        },
        {
            "code": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": "TN",
            "license": "60789",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "Q056848",
            "state": "TN"
        }
    ],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "klein.nathaniel.clifford@covenanthealth.cernerdirect.com",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "609 McFarland St",
            "city": "Morristown",
            "state": "TN",
            "country_code": "US",
            "postal_code": "378143976",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Morristown, TN

Sources for this page

Verify at the official NPI Registry.