HALLIE NIX
NPI 1821743188
Dietitian, Registered in Muscle Shoals, AL

Active since February 15, 2022
2410 AVALON AVE, MUSCLE SHOALS, AL 35661(256) 386-0808(256) 389-8904 Get Directions Write a Review

NPPES record last updated: March 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Hallie Nix NPPES

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

HALLIE NIX (NPI 1821743188) is an individual dietitian, registered in Muscle Shoals, Alabama and active in the NPI registry since February 2022.

NPPES Registry Identity

NPI1821743188
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameHALLIE NIX
Location Address2410 AVALON AVEMuscle Shoals, AL 35661-3283
Mailing Address1504 Ben Taub LoopHouston, TX 77030
Fax(256) 389-8904
Sole ProprietorYes
Enumeration DateFebruary 15, 2022
Last NPPES UpdateMarch 19, 2024
NPPES CertifiedMarch 19, 2024
✔ NPI 1821743188 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
2410 AVALON AVE, Muscle Shoals, AL 35661

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Hallie Nix is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

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

Avalon Medical Group
  • Reassigned Medicare billing, Alabama enrollment
  • 27 clinicians in this Medicare group

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

Other Providers at the Same Location NPPES 18

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

Family Medicine
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Internal Medicine
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Nurse Practitioner (Family)
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Nurse Practitioner (Family)
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Nurse Practitioner (Family)
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Nurse Practitioner (Family)
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Family Medicine
2410 AVALON AVE
MUSCLE SHOALS, AL 35661
Family Medicine
2410 AVALON AVE
MUSCLE SHOALS, AL 35661

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 Hallie Nix's NPI number?

The NPI number for Hallie Nix is 1821743188. It was assigned to this individual provider in the NPPES registry on February 15, 2022.

Where is Hallie Nix located?

Hallie Nix practices at 2410 Avalon Ave, Muscle Shoals, AL 35661. The listed phone number is (256) 386-0808.

What is Hallie Nix's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Hallie Nix enrolled in Medicare?

Yes. Hallie Nix is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Hallie Nix's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Hallie Nix reassigns Medicare benefits to Avalon Medical Group (AL). 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 Hallie Nix'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 Hallie Nix was last updated on March 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.