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NEPHROLOGY ASSOCIATES OF NORTHERN VIRGINIA, INC
NPI 1174541049
Internal Medicine - Nephrology in Fairfax, VA

Active since July 18, 2006CLIA 49D2121299 · Waiver
13135 LEE JACKSON MEMORIAL HWY, #135, FAIRFAX, VA 22033(703) 961-0488(703) 961-0480 Get Directions Write a Review

NPPES record last updated: October 29, 2007. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Nephrology Associates Of Northern Virginia, Inc NPPES

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

NEPHROLOGY ASSOCIATES OF NORTHERN VIRGINIA, INC (NPI 1174541049) is a healthcare organization registered as a nephrology in Fairfax, Virginia and active in the NPI registry since July 2006. The organization holds a CLIA Waiver certificate valid through November 1, 2026 and lists Ali R Assefi, President Of Practice, as its authorized official.

NPPES Registry Identity

NPI1174541049
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameNEPHROLOGY ASSOCIATES OF NORTHERN VIRGINIA, INC
Location Address13135 LEE JACKSON MEMORIAL HWY, #135Fairfax, VA 22033-1907
Mailing Address13135 Lee Jackson Memorial Hwy, #135Fairfax, VA 22033-1907 · (703) 961-0488 · Fax (703) 961-0480
Phone(703) 961-0488
Fax(703) 961-0480
Organization SubpartNo
Authorized OfficialAli R AssefiPresident Of Practice · (703) 961-0488
Enumeration DateJuly 18, 2006
Last NPPES UpdateOctober 29, 2007
✔ NPI 1174541049 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.

13135 LEE JACKSON MEMORIAL HWY, Fairfax, VA 22033
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Other Identifiers 3

Medicare ID-Type UnspecifiedC06555VA · Group Id # Northern Va
Medicare ID-Type Unspecified172118VA · Group Id # Dc Area
Medicare PINCA1711VA

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

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 of Waiver 49D2121299

Nephrology Associates Of Northern Virginia, Inc · Fairfax, VA
Active · expires Nov 1, 2026
CLIA Number49D2121299
Laboratory TypePhysician Office
Certificate Effective DateNovember 2, 2024
Certificate Expiration DateNovember 1, 2026
Laboratory DirectorAhmadshah Mirkhel
Laboratory Phone(703) 961-0488
Laboratory LocationNephrology Associates Of Northern Virginia, Inc13135 Lee Jackson Memorial Highway #135, Fairfax, VA 22033
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

TRUSTED DOCTORS LLC
Pediatrics
13135 LEE JACKSON MEMORIAL HWY, SUITE 201
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
ELIZABETH SUZANNE RELLIS CPNP
Nurse Practitioner (Pediatrics)
13135 LEE JACKSON MEMORIAL HWY
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
PATRICIA A MCDADE CPNP
Nurse Practitioner (Pediatrics)
13135 LEE JACKSON MEMORIAL HWY, SUITE 201
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
WELLNESS AND PREVENTATIVE CARE CENTERS LLC
Internal Medicine
13135 LEE JACKSON MEMORIAL HWY
FAIRFAX, VA 22033
Fairfax County (703) 648-0015
JOANNA L CASEY FNP-BC
Nurse Practitioner (Family)
13135 LEE JACKSON MEMORIAL HWY, SUITE 201
FAIRFAX, VA 22033
Fairfax County (703) 391-0900
DR. ALI REZA ASSEFI MD
Internal Medicine (Nephrology)
13135 LEE JACKSON MEMORIAL HWY, 135
FAIRFAX, VA 22033
Fairfax County (703) 961-0488
JOCELYN MARIE SMITH FNP
Nurse Practitioner (Family)
13135 LEE JACKSON MEMORIAL HWY
FAIRFAX, VA 22033
Fairfax County (703) 961-0488
DR. JENNY J NAZZAL MD
Internal Medicine (Nephrology)
13135 LEE JACKSON MEMORIAL HWY, 135
FAIRFAX, VA 22033
Fairfax County (703) 961-0488

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 Nephrology Associates Of Northern Virginia, Inc's NPI number?

The NPI number for Nephrology Associates Of Northern Virginia, Inc is 1174541049. It was assigned to this organization in the NPPES registry on July 18, 2006.

Where is Nephrology Associates Of Northern Virginia, Inc located?

Nephrology Associates Of Northern Virginia, Inc is located at 13135 Lee Jackson Memorial Hwy #135, Fairfax, VA 22033. The listed phone number is (703) 961-0488.

What is Nephrology Associates Of Northern Virginia, Inc's specialty?

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

Does Nephrology Associates Of Northern Virginia, Inc hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 49D2121299) is associated with this NPI, valid through November 1, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Nephrology Associates Of Northern Virginia, Inc was last updated on October 29, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.