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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARILYN KENESTON
NPI 1841123460
Physician Assistant in Tysons Corner, VA

Active since June 04, 2026
8100 BOONE BLVD STE 720, TYSONS CORNER, VA 22182(703) 454-5544(301) 215-5944 Get Directions Write a Review

NPPES record last updated: November 4, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 4, 2026, Jun 4, 2026 (2 updates tracked since 2026).

About Marilyn Keneston NPPES

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

MARILYN KENESTON (NPI 1841123460) is an individual physician assistant in Tysons Corner, Virginia and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1841123460
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameMARILYN KENESTON
Location Address8100 BOONE BLVD STE 720Tysons Corner, VA 22182-2683
Mailing Address1575 Anderson Rd Apt T-216Mc Lean, VA 22102-1621 · (301) 215-5955 · Fax (301) 215-5944
Phone(703) 454-5544
Fax(301) 215-5944
Sole ProprietorNo
Enumeration DateJune 4, 2026
Last NPPES UpdateNovember 4, 20262 updates tracked since enumeration
NPPES CertifiedNovember 4, 2026
✔ NPI 1841123460 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
8100 BOONE BLVD STE 720, Tysons Corner, VA 22182
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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 Marilyn Keneston's NPI number?

The NPI number for Marilyn Keneston is 1841123460. It was assigned to this individual provider in the NPPES registry on June 4, 2026.

Where is Marilyn Keneston located?

Marilyn Keneston practices at 8100 Boone Blvd Ste 720, Tysons Corner, VA 22182. The listed phone number is (703) 454-5544.

What is Marilyn Keneston's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

When was this NPI record last updated?

The NPPES record for Marilyn Keneston was last updated on November 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 days 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.