MR. JEFFREY ALLEN WILLIS RN
NPI 1982555892
Registered Nurse - Administrator in Inglewood, CA

NPI Status: Active since February 06, 2026

Contact Information

555 E HARDY ST
INGLEWOOD, CA
ZIP 90301
Phone: (310) 419-8628
Fax: (310) 412-4504

Get Directions Write a Review

  • Individual
  • Male
  • Registered Nurse
  • Administrator

About JEFFREY WILLIS

This page provides the complete NPI Profile along with additional information for Jeffrey Willis, a provider established in Inglewood, California with a medical specialization in Registered Nurse, focusing in administrator . The healthcare provider is registered in the NPI registry with number 1982555892 assigned on February 2026. The practitioner's primary taxonomy code is 163WA2000X with license number 95061769 (CA). The provider is registered as an individual and his NPI record was last updated February 2026.

NPI
1982555892
Provider Name
MR. JEFFREY ALLEN WILLIS RN
Gender
Male
Entity Type
Individual
Location Address
555 E HARDY ST INGLEWOOD, CA 90301
Location Phone
(310) 419-8628
Location Fax
(310) 412-4504
Mailing Address
14333 WHITEROCK DR LA MIRADA, CA 90638
Mailing Phone
(310) 419-8628
Mailing Fax
(310) 412-4504
Is Sole Proprietor?
No
Enumeration Date
02-06-2026
Last Update Date
02-06-2026
Code Navigator

A registered nurse (RN) like Jeffrey Willis 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.

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 Administrator

Taxonomy Code
163WA2000X
Type
Nursing Service Providers
License No.
95061769
License State
CA

Reviews for MR. JEFFREY ALLEN WILLIS RN

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1982555892, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
8
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
2
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 8 → 16 → 7 5 → 10 → 1 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 1 + 0 + 5 + 1 + 0 + 8 + 1 + 8 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1982555892.

Other Providers at the Same Location


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

Pharmacist (Pharmacotherapy)
555 E HARDY ST, DEPT OF PHARMACY (RM 2087, 4TH FLOOR OFFICE)
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST, CENTINELA HOSPITAL MEDICAL CENTER
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST, CENTINELA HOSPITAL MEDICAL CENTER
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST, CENTINELA HOSPITAL MEDICAL CENTER
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST, CENTINELA HOSPITAL MEDICAL CENTER
INGLEWOOD, CA 90301
Emergency Medicine
555 E HARDY ST
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST, CENTINELA HOSPITAL MEDICAL CENTER
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301
Anesthesiology
555 E HARDY ST
INGLEWOOD, CA 90301
Internal Medicine
555 E HARDY ST
INGLEWOOD, CA 90301
Radiology (Diagnostic Radiology)
555 E HARDY ST
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301
Emergency Medicine
555 E HARDY ST
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301
Internal Medicine
555 E HARDY ST
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301
Pharmacist
555 E HARDY ST, PHARMACEUTICAL SVCS
INGLEWOOD, CA 90301
Dietitian, Registered
555 E HARDY ST
INGLEWOOD, CA 90301
Emergency Medicine
555 E HARDY ST
INGLEWOOD, CA 90301
Emergency Medicine
555 E HARDY ST
INGLEWOOD, CA 90301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982555892, enumerated as an "individual" on February 06, 2026.

The provider is located at 555 E HARDY ST INGLEWOOD, CA 90301 and the phone number is (310) 419-8628.

Registered Nurse with taxonomy code 163WA2000X and a focus in Administrator.