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REAGAN SUNDE MS, RDN, LDN
NPI 1245160431
Dietitian, Registered in Baton Rouge, LA

Active since May 20, 2026
8300 CONSTANTIN BLVD, BATON ROUGE, LA 70809(225) 374-1362 Get Directions Write a Review

NPPES record last updated: June 19, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Reagan Sunde Ms, Rdn, Ldn NPPES

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

REAGAN SUNDE MS, RDN, LDN (NPI 1245160431) is an individual dietitian, registered in Baton Rouge, Louisiana, licensed in Louisiana (4126) and active in the NPI registry since May 2026. She maintains a secondary practice location in Baton Rouge and is a graduate of University Of Alabama School Of Medicine (2025).

NPPES Registry Identity

NPI1245160431
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameREAGAN SUNDECredential: MS, RDN, LDN
Location Address8300 CONSTANTIN BLVDBaton Rouge, LA 70809-3489
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 765-5500 · Fax (225) 765-9196
Phone(225) 374-1362
Sole ProprietorNo
Medical School CMSUniversity Of Alabama School Of MedicineGraduated 2025
Enumeration DateMay 20, 2026
Last NPPES UpdateJune 19, 2026
NPPES CertifiedJune 19, 2026
✔ NPI 1245160431 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
License✔ Licensed in LA · 4126
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.
8300 CONSTANTIN BLVD, Baton Rouge, LA 70809
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Secondary Practice Location 1

Location 18200 Constantin Blvd Fl 4Baton Rouge, LA 70809-3481 · Phone (225) 765-5500 · Fax (225) 765-2054

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Reagan Sunde Ms, Rdn, Ldn is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3274099676
PECOS Enrollment IDI20260727001692

Medicare Billing Reassignment

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

Our Lady Of The Lake Physician Group LLC
0.7 mi
Internal Medicine
7777 HENNESSY BLVD, STE 6002
Baton Rouge, LA 70808
  • Reassigned Medicare billing, Louisiana enrollment
  • 873 clinicians in this Medicare group
NPI 1033494943 (225) 765-7727

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 20

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

DR. RICHARD FRANCIS LASSEIGNE JR. MD
Pediatrics
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-1410
MICHELLE LUSCO CAMBIAS NP
Nurse Practitioner (Neonatal)
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-4325
FRANCESCA TOCE WEEMS PA-C
Physician Assistant
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-1528
DR. NIVEDA ANITA CHELLAPPAN DO
Student in an Organized Health Care Education/Training Program
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-4325
ANNA P HUFFINES CPNP-AC/PC
Nurse Practitioner (Pediatrics)
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-1410
DR. ERIN RANTZ HAUCK M.D.
Hospitalist
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-5437
KRISTY KELLER PARENT PA
Physician Assistant (Surgical)
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-1410
JOHN PAUL LONA MD
Emergency Medicine
8300 CONSTANTIN BLVD
BATON ROUGE, LA 70809
East Baton Rouge Parish (225) 374-1410

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 Reagan Sunde's NPI number?

The NPI number for Reagan Sunde is 1245160431. It was assigned to this individual provider in the NPPES registry on May 20, 2026.

Where is Reagan Sunde located?

Reagan Sunde practices at 8300 Constantin Blvd, Baton Rouge, LA 70809. The listed phone number is (225) 374-1362.

What is Reagan Sunde's specialty?

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

Is Reagan Sunde enrolled in Medicare?

Yes. Reagan Sunde is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Reagan Sunde's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Reagan Sunde reassigns Medicare benefits to Our Lady Of The Lake Physician Group LLC (Baton Rouge, LA). 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 Reagan Sunde's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Reagan Sunde accept?

Health plans from UnitedHealthcare list Reagan Sunde as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Reagan Sunde was last updated on June 19, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.