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SIXCHIRO LLC
NPI 1407126824
Chiropractor in Alexandria, VA

Active since January 02, 2012
2121 EISENHOWER AVE STE 101, ALEXANDRIA, VA 22314(703) 370-1800(703) 370-6118 Get Directions Write a Review

NPPES record last updated: May 26, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 26, 2021, Sep 20, 2016 (2 updates tracked since 2016).

About Sixchiro Llc NPPES

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

SIXCHIRO LLC (NPI 1407126824) is a healthcare organization registered as a chiropractor in Alexandria, Virginia and active in the NPI registry since January 2012. The organization maintains a secondary practice location in Alexandria and lists Melanie Lynn Six, Chiropractor, as its authorized official.

NPPES Registry Identity

NPI1407126824
Entity TypeOrganization
Primary Taxonomy111N00000X
Legal Business NameSIXCHIRO LLC
Location Address2121 EISENHOWER AVE STE 101Alexandria, VA 22314-5304
Mailing Address2121 Eisenhower Ave Ste 101Alexandria, VA 22314-5304 · (703) 370-1800 · Fax (703) 370-6118
Phone(703) 370-1800
Fax(703) 370-6118
Organization SubpartNo
Authorized OfficialMelanie Lynn SixChiropractor · (703) 370-1800
Enumeration DateJanuary 2, 2012
Last NPPES UpdateMay 26, 20212 updates tracked since enumeration
NPPES CertifiedApril 29, 2021
✔ NPI 1407126824 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in VA · 0104555987
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
2121 EISENHOWER AVE STE 101, Alexandria, VA 22314
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Secondary Practice Location 1

Location 11707 Osage St, Suite 400Alexandria, VA 22302-2607 · Phone (703) 370-1800 · Fax (703) 370-6118

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)

Sixchiro 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 Sixchiro LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Melanie Six, D.C.
Chiropractic
NPI 1497885503
2121 EISENHOWER AVE STE 101
Alexandria, VA 22314
(703) 370-1800
Same 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 Sixchiro LLC's NPI number?

The NPI number for Sixchiro LLC is 1407126824. It was assigned to this organization in the NPPES registry on January 2, 2012.

Where is Sixchiro LLC located?

Sixchiro LLC is located at 2121 Eisenhower Ave Ste 101, Alexandria, VA 22314. The listed phone number is (703) 370-1800.

What is Sixchiro LLC's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Sixchiro LLC enrolled in Medicare?

Yes. Sixchiro LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Sixchiro LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Chiropractic) reassigns their Medicare billing to Sixchiro 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 Sixchiro LLC was last updated on May 26, 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.