THERON GARRICK MCCORMICK MD
NPI 1649367541
Pediatrics - Pediatric Allergy/Immunology in Baton Rouge, LA

Active since October 10, 2006PECOS EnrolledAccepts Medicare Assignment
8200 CONSTANTIN BLVD FL 3, BATON ROUGE, LA 70809(225) 765-5500(225) 765-4378 Get Directions Write a Review

NPPES record last updated: February 5, 2021. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Theron Garrick Mccormick Md NPPES

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

THERON GARRICK MCCORMICK MD (NPI 1649367541) is an individual pediatric allergy/immunology provider in Baton Rouge, Louisiana, licensed in Louisiana (201441) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS, maintains a secondary practice location in Baton Rouge, and is a graduate of Louisiana State University School Of Medicine In New Orleans (2000).

NPPES Registry Identity

NPI1649367541
Entity TypeIndividualMale
Primary Taxonomy2080P0201X
Provider Legal NameTHERON GARRICK MCCORMICKCredential: MD
Location Address8200 CONSTANTIN BLVD FL 3Baton Rouge, LA 70809-3481
Mailing Address5959 S Sherwood Forest BlvdBaton Rouge, LA 70816-6038 · (225) 526-0011 · Fax (225) 765-9196
Fax(225) 765-4378
Sole ProprietorNo
Medical School CMSLouisiana State University School Of Medicine In New OrleansGraduated 2000
Enumeration DateOctober 10, 2006
Last NPPES UpdateFebruary 5, 2021
NPPES CertifiedFebruary 5, 2021
✔ NPI 1649367541 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Pediatric Allergy/ImmunologyAllopathic & Osteopathic Physicians
Taxonomy Code2080P0201X
License✔ Licensed in LA · 201441
Definition
A pediatrician who specializes in the diagnosis and treatment of allergies, allergic reactions, and immunologic diseases in children.
Also ListedAllergy & ImmunologyTaxonomy 207K00000X · License 201441 (LA), L5832 (TX)
8200 CONSTANTIN BLVD FL 3, Baton Rouge, LA 70809

Secondary Practice Location 1

Location 17777 Hennessy Blvd, Suite 408Baton Rouge, LA 70808-4300 · Phone (225) 765-6834 · Fax (225) 765-4378

Other Identifiers 1

Medicaid1017973LA

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Theron Garrick Mccormick Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2163467465
PECOS Enrollment IDI20071003000692
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 Theron Mccormick reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Internal Medicine
7777 HENNESSY BLVD, STE 6002
Baton Rouge, LA 70808
  • Reassigned Medicare billing, Louisiana enrollment
  • 873 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 16

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

Physician Assistant
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Neurological Surgery
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Nurse Practitioner (Pediatrics)
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Pediatrics
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Pediatrics (Pediatric Allergy/Immunology)
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Pediatrics (Pediatric Pulmonology)
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Physician Assistant
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809
Pediatrics (Pediatric Pulmonology)
8200 CONSTANTIN BLVD FL 3
BATON ROUGE, LA 70809

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 Theron Mccormick's NPI number?

The NPI number for Theron Mccormick is 1649367541. It was assigned to this individual provider in the NPPES registry on October 10, 2006.

Where is Theron Mccormick located?

Theron Mccormick practices at 8200 Constantin Blvd Fl 3, Baton Rouge, LA 70809. The listed phone number is (225) 765-5500.

What is Theron Mccormick's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Allergy/Immunology, with taxonomy code 2080P0201X.

Is Theron Mccormick enrolled in Medicare?

Yes. Theron Mccormick is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Theron Mccormick's services?

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

What insurance does Theron Mccormick accept?

Health plans from AmeriHealth Caritas Next, Blue Cross and Blue Shield of Louisiana, HMO Louisiana and UnitedHealthcare list Theron Mccormick 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 Theron Mccormick was last updated on February 5, 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.