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DR. IRIEON WALKER M.D.
NPI 1902291123
Anesthesiology - Critical Care Medicine in New Orleans, LA

Active since April 03, 2015PECOS EnrolledAccepts Medicare Assignment
1415 TULANE AVE, NEW ORLEANS, LA 70112(504) 988-5263 Get Directions Write a Review

NPPES record last updated: November 7, 2022. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Irieon Walker M.d. NPPES

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

DR. IRIEON WALKER M.D. (NPI 1902291123) is an individual critical care medicine provider in New Orleans, Louisiana, licensed in Florida (ME145745) and active in the NPI registry since April 2015. She is enrolled in Medicare PECOS, is affiliated with Hca Florida Lake City Hospital, and is a graduate of Howard University College Of Medicine (2015).

NPPES Registry Identity

NPI1902291123
Entity TypeIndividualFemale
Primary Taxonomy207LC0200X
Provider Legal NameDR. IRIEON WALKERCredential: M.D.
Location Address1415 TULANE AVENew Orleans, LA 70112-2600
Mailing Address1415 Tulane AveNew Orleans, LA 70112-2600
Phone(504) 988-5263
Sole ProprietorNo
Medical School CMSHoward University College Of MedicineGraduated 2015
Enumeration DateApril 3, 2015
Last NPPES UpdateNovember 7, 2022
NPPES CertifiedNovember 7, 2022
✔ NPI 1902291123 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyAnesthesiology · Critical Care MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207LC0200X
License✔ Licensed in FL · ME145745
Definition
An anesthesiologist, who specializes in critical care medicine diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.
1415 TULANE AVE, New Orleans, LA 70112
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Oscar Health, Oscar Health Maintenance Organization of Florida, Oscar Insurance Company.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

Dr. Irieon Walker M.d. 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 ID9335410125
PECOS Enrollment IDI20251118004037
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 Reassignments

3

Medicare enrollment records show Irieon Walker reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ams National LLC
174 mi
Anesthesiology
28 N PALAFOX ST
Pensacola, FL 32502
  • Reassigned Medicare billing, Florida enrollment
  • 768 clinicians in this Medicare group
NPI 1316330830 (866) 653-2540
Anesthesia Medical Group, PC
467 mi
Anesthesiology
110 29TH AVE N, STE 301
Nashville, TN 37203
  • Reassigned Medicare billing, Tennessee enrollment
  • Medicare enrollment name: Anesthesia Medical Group, P.C.
  • 757 clinicians in this Medicare group
NPI 1215932413 (615) 327-4304
Intensive Care Consortium Inc
666 mi
Specialist
20900 BISCAYNE BLVD
Aventura, FL 33180
  • Reassigned Medicare billing, Florida enrollment
  • 287 clinicians in this Medicare group
NPI 1629019062 (561) 997-0821

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

Areas of Expertise CMS Part B claims 3

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Critical care, first 30-74 minutes 99291
Critical care involves immediate and constant attention by a team of specially-trained health professionals. It's for patients with life-threatening conditions, requiring first 30-74 minutes of intense monitoring and treatment.
330 services182 patients
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233
Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.
102 services83 patients
Insertion of artery tube for blood sampling or infusion through skin 36620
This procedure involves placing a small tube into an artery, usually in the wrist or elbow, to collect blood samples or administer medication. It's done under local anesthesia and is a common, safe practice.
27 services26 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Hca Florida Lake City Hospital

Acute Care Hospitals · Lake City, FL
3/5 CMS rating
OwnershipProprietary
CMS Certification Number100156
Location340 NW Commerce DrLake City, FL 32055 · Columbia County
Emergency services

Hca Florida North Florida Hospital

Acute Care Hospitals · Gainesville, FL
2/5 CMS rating
OwnershipProprietary
CMS Certification Number100204
Location6500 W Newberry RdGainesville, FL 32605 · Alachua County
Emergency services Birthing friendly

Tennova Healthcare-Clarksville

Acute Care Hospitals · Clarksville, TN
1/5 CMS rating
OwnershipProprietary
CMS Certification Number440035
Location651 Dunlop LaneClarksville, TN 37040 · Montgomery County
Emergency services Birthing friendly

Ascension Saint Thomas Hospital

Acute Care Hospitals · Nashville, TN
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number440082
Location4220 Harding Rd, PO Box 380Nashville, TN 37205 · Davidson County
Emergency services Birthing friendly

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. JAMES ROBINSON MD
Pediatrics (Pediatric Infectious Diseases)
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-2300
DR. CARLOS GALVANI M.D.
Surgery
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-6855
UNIVERSITY HEALTHCARE SYSTEM, L.C.
Rehabilitation Unit
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 588-5263
DR. RAOUL PEDRO RODRIGUEZ MD
Orthopaedic Surgery
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-2177
MS. RACHAEL GIOVANNA BORENSTEIN RN
Registered Nurse
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-5800
KIMBERLY BIENVENU SMITH CRNA
Nurse Anesthetist, Certified Registered
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-6958
EDITH MARIE GABOR N.P.
Family Medicine
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 988-3000
UNIVERSITY HEALTHCARE SYSTEM, L.C.
General Acute Care Hospital
1415 TULANE AVE
NEW ORLEANS, LA 70112
Orleans Parish (504) 588-5263

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 Irieon Walker's NPI number?

The NPI number for Irieon Walker is 1902291123. It was assigned to this individual provider in the NPPES registry on April 3, 2015.

Where is Irieon Walker located?

Irieon Walker practices at 1415 Tulane Ave, New Orleans, LA 70112. The listed phone number is (504) 988-5263.

What is Irieon Walker's specialty?

The primary specialty registered for this NPI is Anesthesiology, specializing in Critical Care Medicine, with taxonomy code 207LC0200X.

Is Irieon Walker enrolled in Medicare?

Yes. Irieon Walker 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 organizations bill Medicare for Irieon Walker's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Irieon Walker reassigns Medicare benefits to 3 organizations: Ams National LLC (Pensacola, FL), Anesthesia Medical Group, PC (Nashville, TN) and Intensive Care Consortium Inc (Aventura, FL). Each 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 Irieon Walker's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Irieon Walker accept?

Health plans from Oscar Health, Oscar Health Maintenance Organization of Florida and Oscar Insurance Company list Irieon Walker 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.

Is Irieon Walker affiliated with any hospitals?

According to CMS data, Irieon Walker is affiliated with Hca Florida Lake City Hospital, Hca Florida North Florida Hospital, Tennova Healthcare-Clarksville and Ascension Saint Thomas Hospital.

When was this NPI record last updated?

The NPPES record for Irieon Walker was last updated on November 7, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.