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DR. JULIA B GARCIA-DIAZ MD
NPI 1700844594
Internal Medicine - Infectious Disease in New Orleans, LA

Active since May 02, 2006PECOS Enrolled
1514 JEFFERSON HWY, NEW ORLEANS, LA 70121(504) 842-4000 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Julia B Garcia-diaz Md NPPES

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

DR. JULIA B GARCIA-DIAZ MD (NPI 1700844594) is an individual infectious disease provider in New Orleans, Louisiana, licensed in Louisiana (MD.10817R) and active in the NPI registry since May 2006. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700844594
Entity TypeIndividualFemale
Primary Taxonomy207RI0200X
Provider Legal NameDR. JULIA B GARCIA-DIAZCredential: MD
Location Address1514 JEFFERSON HWYNew Orleans, LA 70121-2429
Mailing Address1514 Jefferson HwyNew Orleans, LA 70121-2429 · (504) 842-4000
Phone(504) 842-4000
Sole ProprietorNo
Enumeration DateMay 2, 2006
Last NPPES UpdateJuly 13, 2026
✔ NPI 1700844594 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · Infectious DiseaseAllopathic & Osteopathic Physicians
Taxonomy Code207RI0200X
License✔ Licensed in LA · MD.10817R
Definition
An internist who deals with infectious diseases of all types and in all organ systems. Conditions requiring selective use of antibiotics call for this special skill. This physician often diagnoses and treats AIDS patients and patients with fevers which have not been explained. Infectious disease specialists may also have expertise in preventive medicine and travel medicine.
1514 JEFFERSON HWY, New Orleans, LA 70121
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Other Identifiers 1

Medicaid1496669LA

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Julia B Garcia-diaz Md 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 Julia Garcia-diaz reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Ochsner Clinic LLC
Same address
Pediatrics
1514 JEFFERSON HWY
New Orleans, LA 70121
  • Reassigned Medicare billing, Louisiana enrollment
  • 4,559 clinicians in this Medicare group
NPI 1215136080 (504) 842-3000

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 70121 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$128.88 typical visit price
range $55.50 – $170.30
Typical copayment $32.22 (range $13.87 – $42.57)
Most-billed visit code 99204
Established Patient
$98.35 typical visit price
range $17.42 – $138.03
Typical copayment $24.58 (range $4.35 – $34.50)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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. WALTER JORDAN HOYT JR. M.D.
Internal Medicine (Clinical Cardiac Electrophysiology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3900
DANIELLE M PICKHAM M.D.
Surgery
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3000
TAMMY ANN FRANCIPANE RNC CNNP
Nurse Practitioner (Pediatrics, Critical Care)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4000
LINGLING DU M.D.
Internal Medicine (Hematology & Oncology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4000
DR. BRIAN THOMAS HALBERT M.D.
Internal Medicine (Hematology & Oncology)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3910
ADRIENNE A. TRUXILLO NP
Nurse Practitioner (Pediatrics)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3900
WENDY LYNN CAMBRE CRNA
Nurse Anesthetist, Certified Registered
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-3755
AIMEE ELISE HILTBOLD M.D.
Internal Medicine (Cardiovascular Disease)
1514 JEFFERSON HWY
NEW ORLEANS, LA 70121
Jefferson Parish (504) 842-4145

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 Julia Garcia-diaz's NPI number?

The NPI number for Julia Garcia-diaz is 1700844594. It was assigned to this individual provider in the NPPES registry on May 2, 2006.

Where is Julia Garcia-diaz located?

Julia Garcia-diaz practices at 1514 Jefferson Hwy, New Orleans, LA 70121. The listed phone number is (504) 842-4000.

What is Julia Garcia-diaz's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.

Is Julia Garcia-diaz enrolled in Medicare?

Yes. Julia Garcia-diaz is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Julia Garcia-diaz's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Julia Garcia-diaz reassigns Medicare benefits to Ochsner Clinic LLC (New Orleans, 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 Julia Garcia-diaz'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 Julia Garcia-diaz was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.