Active NPI
Cynthia K Marsh, NP
- Nephrology Physician
- Johnson City, TN
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Nephrology Physician
- License
- 23627
- 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, 2026
- Sex
- Female
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 1
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| 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
| Type | Endpoint | Use | Affiliation |
|---|---|---|---|
| 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
Enrollment records 1
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
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 100
- 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
| License | State | Type | Specialty |
|---|---|---|---|
| 23627 | TN | MD | Nephrology Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| East Tennessee Medical Associates, P.C. | Nephrology | Current | Accepting new patients |
Locations
107 Woodlawn Dr
Ste 200
Johnson City, TN 37604
Phone (423) 929-7158
Interoperability endpoints
- 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.
-
- Nephrology Physician
- Johnson City, TN
- NPI 1619089034
Hospital & facility affiliations 3
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Woodridge Hospital
- Psychiatric Hospital Unit
- Johnson City, TN
- NPI 1023434339
-
dba Johnson City Medical Center
- Psychiatric Hospital Unit
- Johnson City, TN
- NPI 1962915652
-
dba Johnson City Medical Center
- General Acute Care Hospital
- Johnson City, TN
- NPI 1972606465
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
- Jeffrey Alan Marchessault, M.D.
- Jeffrey Wayne Margeson, NP
- Cody Douglas Marik, DO
- Todd W Markwalter, APN
- Jo-Ann S. Marrs, NURSE PRACTITIONER
- Jeremiah L Marsh, M.D.
- Rhonda Faye Marshall, RN C
- Martin Dentistry PC (Martin Dentistry of Johnson City)
- Martin Dentistry, PC (Martin Dentistry of Johnson City)
- Martin R Pittman DDS Ms PC
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 21, 2026; 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.
- Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.