ATRIUM HEALTHCARE GROUP LLC
NPI 1396450607
Internal Medicine in Annandale, VA

Q: What is Atrium Healthcare Group LLC's NPI number?

The NPI number for Atrium Healthcare Group LLC is 1396450607. It was assigned to this organization in the NPPES registry on January 20, 2023.

Q: What is Atrium Healthcare Group LLC's specialty?

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

Active since January 20, 2023

7501 LITTLE RIVER TPKE STE 303, ANNANDALE, VA 22003(703) 256-4141 Get Directions Write a Review

NPPES record last updated: July 30, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jul 30, 2023, Feb 1, 2023, Jan 20, 2023 (3 updates tracked since 2023).

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About Atrium Healthcare Group Llc NPPES

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

ATRIUM HEALTHCARE GROUP LLC (NPI 1396450607) is a healthcare organization registered as an internal medicine in Annandale, Virginia and active in the NPI registry since January 2023. The organization lists Kate Sedghi, Practice Administrator, as its authorized official.

NPPES Registry Identity

NPI1396450607

Entity TypeOrganization

Primary Taxonomy207R00000X

Legal Business NameATRIUM HEALTHCARE GROUP LLC

Location Address7501 LITTLE RIVER TPKE STE 303Annandale, VA 22003-2923

Mailing Address7501 Little River Turnpike Ste#303Annandale, VA 22003-3547 · (703) 256-4141

Phone(703) 256-4141

Organization SubpartNo

Authorized OfficialKate SedghiPractice Administrator · (703) 256-4141

Enumeration DateJanuary 20, 2023

Last NPPES UpdateJuly 30, 20233 updates tracked since enumeration

NPPES CertifiedJuly 29, 2023

✔ NPI 1396450607 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207R00000X

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.

7501 LITTLE RIVER TPKE STE 303, Annandale, VA 22003

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Other Names 1

Former Legal Business NameAtrium Healthcare Group Llc

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)

Atrium Healthcare Group Llc 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 Atrium Healthcare Group LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Maziar Sadri

Internal Medicine

NPI 1922487198

7501 LITTLE RIVER TPKE STE 303
Annandale, VA 22003

(703) 256-4141

✔ PECOS✔ Accepts MedicareSame address

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 Atrium Healthcare Group LLC's NPI number?

The NPI number for Atrium Healthcare Group LLC is 1396450607. It was assigned to this organization in the NPPES registry on January 20, 2023.

Where is Atrium Healthcare Group LLC located?

Atrium Healthcare Group LLC is located at 7501 Little River Tpke Ste 303, Annandale, VA 22003. The listed phone number is (703) 256-4141.

What is Atrium Healthcare Group LLC's specialty?

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

Is Atrium Healthcare Group LLC enrolled in Medicare?

Yes. Atrium Healthcare Group LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Atrium Healthcare Group LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Internal Medicine) reassigns their Medicare billing to Atrium Healthcare Group LLC. 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 Atrium Healthcare Group LLC was last updated on July 30, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.