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MRS. MARIE KATHERINE CLARK ACNP
NPI 1245478833
Nurse Practitioner - Acute Care in Arlington, VA

Active since February 04, 2009PECOS Enrolled
1625 N GEORGE MASON DR STE 288, ARLINGTON, VA 22205(703) 558-6300 Get Directions Write a Review

NPPES record last updated: February 28, 2021. Verified against the NPPES registry weekly; last sync: November 08, 2026.

About Mrs. Marie Katherine Clark Acnp NPPES

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

MRS. MARIE KATHERINE CLARK ACNP (NPI 1245478833) is an individual acute care provider in Arlington, Virginia, licensed in Virginia (0024000047) and active in the NPI registry since February 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1245478833
Entity TypeIndividualFemale
Primary Taxonomy363LA2100X
Provider Legal NameMRS. MARIE KATHERINE CLARKCredential: ACNP
Location Address1625 N GEORGE MASON DR STE 288Arlington, VA 22205-3683
Mailing Address1625 N George Mason Dr Ste 288Arlington, VA 22205-3683
Phone(703) 558-6300
Sole ProprietorYes
Enumeration DateFebruary 4, 2009
Last NPPES UpdateFebruary 28, 2021
NPPES CertifiedFebruary 28, 2021
✔ NPI 1245478833 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Acute CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LA2100X
License✔ Licensed in VA · 0024000047
1625 N GEORGE MASON DR STE 288, Arlington, VA 22205
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mrs. Marie Katherine Clark Acnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marie Clark reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Virginia Hospital Center Physician Group, LLC
Same address
Plastic and Reconstructive Surgery
1625 N GEORGE MASON DR, SUITE 315
Arlington, VA 22205
  • Reassigned Medicare billing, District of Columbia enrollment
  • 436 clinicians in this Medicare group
NPI 1174965057 (703) 717-4217

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 22205 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

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

DR. JOHN R GARRETT M.D.
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491
JILLIAN STEWART MSN, NP-C
Nurse Practitioner (Family)
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491
MEGAN LANGE CRNP
Nurse Practitioner (Acute Care)
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491
KATHRYN MARGARET KEARNEY PA-C
Physician Assistant
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491
VIRGINIA HOSPITAL CENTER PHYSICIAN GROUP LLC
Thoracic Surgery (Cardiothoracic Vascular Surgery)
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491
MRS. JANINE SPROULES KITTNER FNP-BC
Nurse Practitioner (Family)
1625 N GEORGE MASON DR STE 288
ARLINGTON, VA 22205
Arlington County (703) 558-6491

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 Marie Clark's NPI number?

The NPI number for Marie Clark is 1245478833. It was assigned to this individual provider in the NPPES registry on February 4, 2009.

Where is Marie Clark located?

Marie Clark practices at 1625 N George Mason Dr Ste 288, Arlington, VA 22205. The listed phone number is (703) 558-6300.

What is Marie Clark's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.

Is Marie Clark enrolled in Medicare?

Yes. Marie Clark is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marie Clark's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marie Clark reassigns Medicare benefits to Virginia Hospital Center Physician Group, LLC (Arlington, VA). The 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 Marie Clark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marie Clark was last updated on February 28, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.