Individual provider Active NPI

Cynthia K Marsh, NP

  • Nephrology Physician
  • Johnson City, TN
National Provider Identifier
1407363989
Registry record updated Aug 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Nephrology PhysicianTaxonomy code 207RN0300X
License
23627 Issued in TN
Practice address
107 Woodlawn Dr Ste 200
Johnson City, TN 37604-6287
Phone
(423) 929-7158
Fax
(423) 928-9625
NPI assigned
Jan 5, 2018
Last updated
Aug 21, 2026By the provider in NPPES
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 21, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Nephrology Physician 207RN0300X 23627 TN Primary

Addresses

Primary practice location

107 Woodlawn Dr Ste 200
Johnson City, TN 37604-6287

Mailing address

107 Woodlawn Dr Ste 200
Johnson City, TN 37604-6287
Phone (423) 929-7158

Electronic endpoints 1

TypeEndpointUseAffiliation
Direct Messaging Address cmarsh19083@direct.acumenmd.com Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20180723000510 TN Practitioner - Nurse Practitioner 5991052979 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2017
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
East Tennessee Medical Associates, P.C.Group PAC ID 2062460009, 7 clinicians

Practice addresses (Care Compare)

107 Woodlawn Dr
Suite 200
Johnson City, TN 37604-6287
Phone 4239297158305

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
88.22 of 100Reported as group
Quality
60.13
Promoting interoperability
100
Improvement activities
40
Cost
83.92

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
23627TNMDNephrology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
East Tennessee Medical Associates, P.C. Nephrology CurrentSince Mar 24, 2018 Accepting new patients

Locations

107 Woodlawn Dr
Ste 200
Johnson City, TN 37604
Phone (423) 929-7158

Interoperability endpoints

  • Direct secure messaging: cmarsh19083@direct.acumenmd.com

Organizations & group practices 1

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 3

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": "1515110400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1787270400000",
    "number": "1407363989",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "107 WOODLAWN DR STE 200",
            "city": "JOHNSON CITY",
            "state": "TN",
            "postal_code": "376046287",
            "telephone_number": "423-929-7158",
            "fax_number": "423-928-9625"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "107 WOODLAWN DR STE 200",
            "city": "JOHNSON CITY",
            "state": "TN",
            "postal_code": "376046287",
            "telephone_number": "423-929-7158",
            "fax_number": "423-928-9625"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARSH",
        "first_name": "CYNTHIA",
        "middle_name": "K",
        "name_prefix": "Ms.",
        "credential": "NP",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2018-01-05",
        "last_updated": "2026-08-21",
        "certification_date": "2026-08-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RN0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Nephrology",
            "state": "TN",
            "license": "23627",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cmarsh19083@direct.acumenmd.com",
            "affiliation": "N",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "address_1": "107 Woodlawn Dr Ste 200",
            "city": "Johnson City",
            "state": "TN",
            "country_code": "US",
            "postal_code": "376046287",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Johnson City, TN

Sources for this page

Verify at the official NPI Registry.