DR. XAVIOUR JAMES WALKER M.D.
NPI 1104151042
Internal Medicine - Geriatric Medicine in Orange, CA

NPI Status: Active since October 09, 2009

Contact Information

200 S MANCHESTER AVE
SUITE 835
ORANGE, CA
ZIP 92868
Phone: (714) 456-6576
Fax: (714) 456-7933

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  • Individual
  • Male
  • Internal Medicine
  • Geriatric Medicine

About XAVIOUR WALKER

This page provides the complete NPI Profile along with additional information for Xaviour Walker, an internist established in Orange, California with a medical specialization in Internal Medicine, focusing in geriatric medicine . The healthcare provider is registered in the NPI registry with number 1104151042 assigned on October 2009. The practitioner's primary taxonomy code is 207RG0300X with license number A142764 (CA). The provider is registered as an individual and his NPI record was last updated 10 years ago.

NPI
1104151042
Provider Name
DR. XAVIOUR JAMES WALKER M.D.
Gender
Male
Entity Type
Individual
Location Address
200 S MANCHESTER AVE SUITE 835 ORANGE, CA 92868
Location Phone
(714) 456-6576
Location Fax
(714) 456-7933
Mailing Address
200 S. MANCHESTER SUITE 835 ORANGE, CA 92868
Mailing Phone
(714) 456-6576
Mailing Fax
(714) 456-7933
Is Sole Proprietor?
Yes
Enumeration Date
10-09-2009
Last Update Date
11-08-2016
Code Navigator

An internist like Xaviour Walker is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

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

Internal Medicine Geriatric Medicine

Taxonomy Code
207RG0300X
Type
Allopathic & Osteopathic Physicians
License No.
A142764
License State
CA
Taxonomy Description
An internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the patient's home, the office, long-term care settings such as nursing homes and the hospital.

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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 1104151042, 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 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
1
Unchanged
Pos 3
0
Doubled → 0
Pos 4
4
Unchanged
Pos 5
1
Doubled → 2
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
0
Unchanged
Pos 9
4
Doubled → 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 0 → 0 1 → 2 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 0 + 4 + 2 + 5 + 2 + 0 + 8 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1104151042.

Other Providers at the Same Location


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

Obstetrics & Gynecology (Maternal & Fetal Medicine)
200 S MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Physician Assistant
200 S MANCHESTER AVE, SUITE #300
ORANGE, CA 92868
Neuromusculoskeletal Medicine & OMM
200 S MANCHESTER AVE, SUITE 110
ORANGE, CA 92868
Surgery (Plastic and Reconstructive Surgery)
200 S MANCHESTER AVE, 650
ORANGE, CA 92868
Internal Medicine (Infectious Disease)
200 S MANCHESTER AVE, SUITE 514
ORANGE, CA 92868
Plastic Surgery
200 S MANCHESTER AVE, SUITE 650
ORANGE, CA 92868
Family Medicine
200 S MANCHESTER AVE, SUITE 315
ORANGE, CA 92868
Plastic Surgery
200 S MANCHESTER AVE, SUITE 650
ORANGE, CA 92868
Plastic Surgery
200 S MANCHESTER AVE, STE 650
ORANGE, CA 92868
Surgery (Plastic and Reconstructive Surgery)
200 S MANCHESTER AVE, SUITE 650
ORANGE, CA 92868
Student in an Organized Health Care Education/Training Program
200 S MANCHESTER AVE, #206
ORANGE, CA 92868
Clinic/Center
200 S MANCHESTER AVE, SUITE 110
ORANGE, CA 92868
Surgery
200 S MANCHESTER AVE, SUITE 650
ORANGE, CA 92868
Clinic/Center (Medical Specialty)
200 S MANCHESTER AVE, SUITE 110
ORANGE, CA 92868
Specialist
200 S MANCHESTER AVE, SUITE 206
ORANGE, CA 92868
Clinic/Center (Medical Specialty)
200 S MANCHESTER AVE, SUITE 600
ORANGE, CA 92868
Speech-Language Pathologist
200 S MANCHESTER AVE, STE 100
ORANGE, CA 92868
Physical Therapist
200 S MANCHESTER AVE, 100
ORANGE, CA 92868
Physical Therapist
200 S MANCHESTER AVE, SUITE 100
ORANGE, CA 92868
Speech-Language Pathologist
200 S MANCHESTER AVE, SUITE 100
ORANGE, CA 92868

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1104151042, enumerated as an "individual" on October 09, 2009.

The provider is located at 200 S MANCHESTER AVE SUITE 835 ORANGE, CA 92868 and the phone number is (714) 456-6576.

Internal Medicine with taxonomy code 207RG0300X and a focus in Geriatric Medicine.