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CLARK INFECTIOUS DISEASE GROUP
NPI 1477247864
Internal Medicine - Infectious Disease in Alexandria, VA

Active since June 07, 2023
2501 PARKERS LN FL 4, ALEXANDRIA, VA 22306(703) 664-7000 Get Directions Write a Review

NPPES record last updated: February 5, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Feb 5, 2026, Nov 10, 2025, Jul 7, 2023 and 1 more (4 updates tracked since 2023).

About Clark Infectious Disease Group NPPES

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

CLARK INFECTIOUS DISEASE GROUP (NPI 1477247864) is a healthcare organization registered as an infectious disease in Alexandria, Virginia and active in the NPI registry since June 2023. The organization maintains a secondary practice location in Richmond and lists Victor P Clark, Owner, as its authorized official.

NPPES Registry Identity

NPI1477247864
Entity TypeOrganization
Primary Taxonomy207RI0200X
Legal Business NameCLARK INFECTIOUS DISEASE GROUP
Location Address2501 PARKERS LN FL 4Alexandria, VA 22306-3209
Mailing Address105 Watch Harbour CtSuffolk, VA 23435-3179 · (757) 582-1629
Phone(703) 664-7000
Organization SubpartYesParent: Clark Alliance Services Inc
Authorized OfficialVictor P ClarkOwner · (757) 582-1629
Enumeration DateJune 7, 2023
Last NPPES UpdateFebruary 5, 20264 updates tracked since enumeration
NPPES CertifiedFebruary 5, 2026
✔ NPI 1477247864 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
2501 PARKERS LN FL 4, Alexandria, VA 22306
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Secondary Practice Location 1

Location 12220 Edward Holland DrRichmond, VA 23230-2519 · Phone (757) 582-1629 · Fax (757) 819-4995

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

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Clark Infectious Disease Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

2

Medicare enrollment records show 2 clinicians reassign Medicare billing to Clark Infectious Disease Group, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (2)

Sana Attar, MD
Internal Medicine
NPI 1790172724
8220 MEADOWBRIDGE RD STE 203
Mechanicsville, VA 23116
(804) 764-2200
✔ PECOS✔ Accepts Medicare79 mi
Edward Wong, M.D.
Infectious Disease
NPI 1760421473
2220 EDWARD HOLLAND DRIVE
Richmond, VA 23230
(804) 678-7091
✔ PECOS82 mi

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

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 Clark Infectious Disease Group's NPI number?

The NPI number for Clark Infectious Disease Group is 1477247864. It was assigned to this organization in the NPPES registry on June 7, 2023.

Where is Clark Infectious Disease Group located?

Clark Infectious Disease Group is located at 2501 Parkers Ln Fl 4, Alexandria, VA 22306. The listed phone number is (703) 664-7000.

What is Clark Infectious Disease Group's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Clark Infectious Disease Group enrolled in Medicare?

Yes. Clark Infectious Disease Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Clark Infectious Disease Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 2 clinicians reassign their Medicare billing to Clark Infectious Disease Group, in Infectious Disease and Internal Medicine. 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Clark Infectious Disease Group was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 months 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.