WALTER IWEKA EJINAKA
NPI 1528902004
Registered Nurse - Critical Care Medicine in Los Angeles, CA

NPI Status: Active since April 16, 2026

Contact Information

2051 MARENGO ST
LOS ANGELES, CA
ZIP 90033
Phone: (323) 409-1000

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  • Individual
  • Male
  • Registered Nurse
  • Critical Care Medicine

About WALTER EJINAKA

This page provides the complete NPI Profile along with additional information for Walter Ejinaka, a provider established in Los Angeles, California with a medical specialization in Registered Nurse, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1528902004 assigned on April 2026. The practitioner's primary taxonomy code is 163WC0200X with license number 95233757 (CA). The provider is registered as an individual and his NPI record was last updated April 2026.

NPI
1528902004
Provider Name
WALTER IWEKA EJINAKA
Gender
Male
Entity Type
Individual
Location Address
2051 MARENGO ST LOS ANGELES, CA 90033
Location Phone
(323) 409-1000
Mailing Address
9720 FLOWER ST APT 208 BELLFLOWER, CA 90706
Mailing Phone
(424) 244-4131
Is Sole Proprietor?
No
Enumeration Date
04-16-2026
Last Update Date
04-16-2026
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A registered nurse (RN) like Walter Ejinaka coordinates and provides patient care and educates patients about various health conditions. Registered nurses give advice and emotional support to patients and their families. The typical duties of a registered nurse include: assessing patient conditions, record medical histories and symptoms, observe patients and record the observations, administer medicines and treatments, consult and collaborate with doctors, operate and monitor medical equipment, teach patients and families how to manage injuries or illnesses, etc.

Registered nurses typically work as part of a team with physicians and other healthcare professionals. In some medical teams registered nurses supervise nursing assistants, licensed practical nurses, and home health aides.

Critical care nurses - this registered nurse specializes in providing care at hospital intensive-care units, tending to patients with severe, acute illnesses and injuries that require meticulous monitoring and intervention.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Registered Nurse Critical Care Medicine

Taxonomy Code
163WC0200X
Type
Nursing Service Providers
License No.
95233757
License State
CA

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1528902004, we treat the final digit (4) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 4).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
2
Doubled → 4
Pos 4
8
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
0
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
0
Doubled → 0
Check
4
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 2 → 4 9 → 18 → 9 2 → 4 0 → 0

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 4 + 8 + 1 + 8 + 0 + 4 + 0 + 0 + 24 = 56

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1528902004.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Occupational Therapist
2051 MARENGO ST
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
2051 MARENGO ST, C3C162
LOS ANGELES, CA 90033
Nurse Practitioner (Acute Care)
2051 MARENGO ST
LOS ANGELES, CA 90033
Occupational Therapist
2051 MARENGO ST
LOS ANGELES, CA 90033
Emergency Medicine
2051 MARENGO ST, DEPT OF EM: INPT TOWER ROOM C1A100
LOS ANGELES, CA 90033
Nurse Practitioner (Acute Care)
2051 MARENGO ST
LOS ANGELES, CA 90033
Physical Therapist
2051 MARENGO ST, IPT 2ND FLOOR, C2B101
LOS ANGELES, CA 90033
Emergency Medicine
2051 MARENGO ST, DEPT OF EM: INPT TOWER ROOM C1A100
LOS ANGELES, CA 90033
General Acute Care Hospital
2051 MARENGO ST
LOS ANGELES, CA 90033
Physician Assistant
2051 MARENGO ST, LAC-USC MEDICAL CENTER, DEM, IPT, RM C1A108
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
2051 MARENGO ST
LOS ANGELES, CA 90033
Dietitian, Registered (Nutrition, Pediatric)
2051 MARENGO ST, ROOM 1H212
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
2051 MARENGO ST
LOS ANGELES, CA 90033
Surgery (Trauma Surgery)
2051 MARENGO ST, DIVISION OF TRAUMA AND CRITICAL CARE USC
LOS ANGELES, CA 90033
Psychiatric Unit
2051 MARENGO ST
LOS ANGELES, CA 90033
Psychiatric Hospital
2051 MARENGO ST
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
2051 MARENGO ST
LOS ANGELES, CA 90033
Nurse Practitioner (Family)
2051 MARENGO ST
LOS ANGELES, CA 90033
Emergency Medicine
2051 MARENGO ST, INPATIENT TOWER - ROOM C1A100
LOS ANGELES, CA 90033
Anesthesiology
2051 MARENGO ST, IPT C4E100
LOS ANGELES, CA 90033

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528902004, enumerated as an "individual" on April 16, 2026.

The provider is located at 2051 MARENGO ST LOS ANGELES, CA 90033 and the phone number is (323) 409-1000.

Registered Nurse with taxonomy code 163WC0200X and a focus in Critical Care Medicine.