1. Home
  2. Directory
  3. Virginia
  4. Fairfax
  5. Internal Medicine
  6. NPI Profile

DIMENSIONS DIRECT PRIMARY CARE , PLLC
NPI 1851615074
Internal Medicine in Fairfax, VA

Active since March 17, 2010
8503 ARLINGTON BOULEVARD, SUITE 120, FAIRFAX, VA 22031(571) 229-9183(571) 229-9192 Get Directions Write a Review

NPPES record last updated: March 9, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dimensions Direct Primary Care , Pllc NPPES

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

DIMENSIONS DIRECT PRIMARY CARE , PLLC (NPI 1851615074), doing business as Internal Medicine Of Manassas, Pc, is a healthcare organization registered as an internal medicine in Fairfax, Virginia and active in the NPI registry since March 2010. The organization lists Sheila Mehra Chen, Physician/founder, as its authorized official.

NPPES Registry Identity

NPI1851615074
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameDIMENSIONS DIRECT PRIMARY CARE , PLLC
Location Address8503 ARLINGTON BOULEVARD, SUITE 120Fairfax, VA 22031
Mailing Address8503 Arlington Boulevard, Suite 120Fairfax, VA 22031 · (571) 229-9183 · Fax (571) 229-9192
Phone(571) 229-9183
Fax(571) 229-9192
Organization SubpartNo
Authorized OfficialSheila Mehra ChenPhysician/founder · (571) 229-9183
Enumeration DateMarch 17, 2010
Last NPPES UpdateMarch 9, 2020
NPPES CertifiedMarch 9, 2020
✔ NPI 1851615074 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in VA · 0101242263
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
8503 ARLINGTON BOULEVARD, Fairfax, VA 22031
Open in Google Maps ↗

Other Names 1

Former Legal Business NameInternal Medicine Of Manassas, Pc

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)

Dimensions Direct Primary Care , Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dimensions Direct Primary Care , PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Sheila Chen, M.D.
Internal Medicine
NPI 1548471675
8405 DORSEY CIR SUITE 101
Manassas, VA 20110
(571) 229-9183
✔ PECOS15 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 Dimensions Direct Primary Care , PLLC's NPI number?

The NPI number for Dimensions Direct Primary Care , PLLC is 1851615074. It was assigned to this organization in the NPPES registry on March 17, 2010. The provider was formerly known as Internal Medicine Of Manassas, PC.

Where is Dimensions Direct Primary Care , PLLC located?

Dimensions Direct Primary Care , PLLC is located at 8503 Arlington Boulevard Suite 120, Fairfax, VA 22031. The listed phone number is (571) 229-9183.

What is Dimensions Direct Primary Care , PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Dimensions Direct Primary Care , PLLC enrolled in Medicare?

Yes. Dimensions Direct Primary Care , PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dimensions Direct Primary Care , PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Dimensions Direct Primary Care , PLLC. 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 Dimensions Direct Primary Care , PLLC was last updated on March 9, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.