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EAST TENNESSEE NEPHROLOGY PC
NPI 1083622526
Internal Medicine - Nephrology in Knoxville, TN

Active since August 03, 2006CLIA 44D0982858 · Microscopy
2001 LAUREL AVE, STE 206, KNOXVILLE, TN 37916(865) 524-3131(865) 212-6323 Get Directions Write a Review

NPPES record last updated: July 2, 2010. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About East Tennessee Nephrology Pc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

EAST TENNESSEE NEPHROLOGY PC (NPI 1083622526) is a healthcare organization registered as a nephrology in Knoxville, Tennessee and active in the NPI registry since August 2006. The organization holds a CLIA Microscopy certificate valid through February 20, 2028 and lists Stephen C Kiss, President Md, as its authorized official.

NPPES Registry Identity

NPI1083622526
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameEAST TENNESSEE NEPHROLOGY PC
Location Address2001 LAUREL AVE, STE 206Knoxville, TN 37916-1865
Mailing Address2001 Laurel Ave, Ste 206Knoxville, TN 37916-1865 · (865) 524-3131 · Fax (865) 212-6323
Phone(865) 524-3131
Fax(865) 212-6323
Organization SubpartNo
Authorized OfficialStephen C KissPresident Md · (865) 524-3131
Enumeration DateAugust 3, 2006
Last NPPES UpdateJuly 2, 2010
✔ NPI 1083622526 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
2001 LAUREL AVE, Knoxville, TN 37916
Open in Google Maps ↗

Other Identifiers 2

Medicaid3721896TN
Medicare ID-Type Unspecified3721896TN

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna Healthcare.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

East Tennessee Nephrology Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

6

Medicare enrollment records show 6 clinicians reassign Medicare billing to East Tennessee Nephrology PC, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 6 within 10 miles. They are listed nearest first.

Clinicians, nearest first (6)

Gerald Borrelli, M.D.
Nephrology
NPI 1871599084
2001 LAUREL AVE STE 206
Knoxville, TN 37916
(865) 524-3131
✔ PECOS✔ Accepts MedicareSame address
Stephen Kiss, MD
Nephrology
NPI 1770589988
2001 LAUREL AVE STE 206
Knoxville, TN 37916
(865) 524-3131
✔ PECOSSame address
Stanislav Ozhog, D.O
Nephrology
NPI 1033579867
2001 LAUREL AVE. STE 206
Knoxville, TN 37916
(865) 524-3131
✔ PECOS✔ Accepts MedicareSame address
Laura Stamper, FNP
Nurse Practitioner
NPI 1528924529
2001 LAUREL AVE STE 206
Knoxville, TN 37916
(865) 524-3131
✔ PECOS✔ Accepts MedicareSame address
Sung Yong Bae, M.D.
Nephrology
NPI 1043443997
2001 LAUREL AVE SUITE 206
Knoxville, TN 37916
(865) 524-3131
✔ PECOS✔ Accepts MedicareSame address
Jimmy Gentry, M.D.
Nephrology
NPI 1467896365
6311 KINGSTON PIKE STE 26W
Knoxville, TN 37919
(865) 674-9193
✔ PECOS4.2 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate for Provider-Performed Microscopy Procedures (PPMP) 44D0982858

East Tennessee Nephrology PC · Knoxville, TN
Active · expires Feb 20, 2028
CLIA Number44D0982858
Laboratory TypePhysician Office
Certificate Effective DateFebruary 21, 2026
Certificate Expiration DateFebruary 20, 2028
Laboratory DirectorGerald Scott Borrelli
Laboratory Phone(865) 524-3131
Laboratory LocationEast Tennessee Nephrology PC2001 Laurel Avenue, Ste 206, Knoxville, TN 37916
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory in which a physician, midlevel practitioner or dentist performs no tests other than the microscopy procedures. This certificate permits the laboratory to also perform waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is East Tennessee Nephrology PC's NPI number?

The NPI number for East Tennessee Nephrology PC is 1083622526. It was assigned to this organization in the NPPES registry on August 3, 2006.

Where is East Tennessee Nephrology PC located?

East Tennessee Nephrology PC is located at 2001 Laurel Ave Ste 206, Knoxville, TN 37916. The listed phone number is (865) 524-3131.

What is East Tennessee Nephrology PC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is East Tennessee Nephrology PC enrolled in Medicare?

Yes. East Tennessee Nephrology PC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through East Tennessee Nephrology PC?

According to the CMS Revalidation Reassignment List (October 2026 release), 6 clinicians in 2 Medicare specialties reassign their Medicare billing to East Tennessee Nephrology PC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nephrology (5) and Nurse Practitioner (1). Of these, 5 practice at this address and 6 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does East Tennessee Nephrology PC hold a CLIA laboratory certificate?

Yes. A Certificate for Provider-Performed Microscopy Procedures (PPMP) (number 44D0982858) is associated with this NPI, valid through February 20, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

What insurance does East Tennessee Nephrology PC accept?

Health plans from Cigna Healthcare list East Tennessee Nephrology PC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for East Tennessee Nephrology PC was last updated on July 2, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.