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KACIE LUMMEN SIMS
NPI 1619291630
Pediatrics - Pediatric Hematology-Oncology in Baton Rouge, LA

Active since March 19, 2010PECOS Enrolled
8300 CONSTANTIN BLVD, BATON ROUGE, LA 70809(225) 763-6337(225) 374-4661 Get Directions Write a Review

NPPES record last updated: April 9, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Apr 9, 2021, Mar 17, 2018, Sep 14, 2017 (3 updates tracked since 2017).

About Kacie Lummen Sims NPPES

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

KACIE LUMMEN SIMS (NPI 1619291630) is an individual pediatric hematology-oncology provider in Baton Rouge, Louisiana, licensed in Louisiana (206145) and active in the NPI registry since March 2010. She is enrolled in Medicare PECOS and maintains a secondary practice location in Oklahoma City.

NPPES Registry Identity

NPI1619291630
Entity TypeIndividualFemale
Primary Taxonomy2080P0207X
Provider Legal NameKACIE LUMMEN SIMS
Location Address8300 CONSTANTIN BLVDBaton Rouge, LA 70809-3489
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 765-5727 · Fax (225) 765-9196
Phone(225) 763-6337
Fax(225) 374-4661
Sole ProprietorNo
Enumeration DateMarch 19, 2010
Last NPPES UpdateApril 9, 20213 updates tracked since enumeration
NPPES CertifiedApril 9, 2021
✔ NPI 1619291630 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Hematology-OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0207X
Licenses✔ Licensed in LA · 206145✔ Licensed in OK · 30780
Definition
A pediatrician trained in the combination of pediatrics, hematology and oncology to recognize and manage pediatric blood disorders and cancerous diseases.
8300 CONSTANTIN BLVD, Baton Rouge, LA 70809
Open in Google Maps ↗

Other Names 1

Former Name (1)Kacie Nicole Lummen

Secondary Practice Location 1

Location 11200 Childrens Ave, OUCP 14500Oklahoma City, OK 73104-4637 · Phone (405) 271-8001 ext. 42536

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Louisiana, HMO Louisiana, 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)

Kacie Lummen Sims is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Kacie Sims 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 Kacie Sims's NPI number?

The NPI number for Kacie Sims is 1619291630. It was assigned to this individual provider in the NPPES registry on March 19, 2010. The provider is also known as Kacie Nicole Lummen.

Where is Kacie Sims located?

Kacie Sims practices at 8300 Constantin Blvd, Baton Rouge, LA 70809. The listed phone number is (225) 763-6337.

What is Kacie Sims's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Hematology-Oncology, with taxonomy code 2080P0207X.

Is Kacie Sims enrolled in Medicare?

Yes. Kacie Sims is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Kacie Sims's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Kacie Sims 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 Kacie Sims's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Kacie Sims accept?

Health plans from Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Kacie Sims 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 Kacie Sims was last updated on April 9, 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.