DR. DERRICK A WALKER D.O.
NPI 1427040823
Surgery in Brigham City, UT

Active since August 22, 2005
970 MEDICAL DR STE 202, BRIGHAM CITY, UT 84302(435) 723-0329(435) 723-0429 Get Directions Write a Review

NPPES record last updated: February 9, 2022. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Feb 9, 2022, Nov 30, 2020, Jan 12, 2017 (3 updates tracked since 2017).

  • Individual
  • Male
  • Surgery

About DERRICK WALKER

This page provides the complete NPI Profile along with additional information for Derrick Walker, a provider established in Brigham City, Utah with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1427040823 assigned on August 2005. The practitioner's primary taxonomy code is 208600000X with license number 10476500-1204 (UT). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1427040823
Provider Name
DR. DERRICK A WALKER D.O.
Gender
Male
Entity Type
Individual
Location Address
970 MEDICAL DR STE 202 BRIGHAM CITY, UT 84302
Location Phone
(435) 723-0329
Location Fax
(435) 723-0429
Mailing Address
PO BOX 405473 ATLANTA, GA 30384
Is Sole Proprietor?
No
Enumeration Date
08-22-2005
Last Update Date
02-09-2022
Code Navigator

A surgeon like Derrick Walker treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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

Surgery

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
10476500-1204
License State
UT
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1208600000XAllopathic & Osteopathic Physicians

Surgery

O-0397 (ID)
2208600000XAllopathic & Osteopathic Physicians

Surgery

02002432A (IN)

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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 1427040823, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
0
Doubled → 0
Pos 8
8
Unchanged
Pos 9
2
Doubled → 4
Check
3
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 0 → 0 0 → 0 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 0 + 4 + 0 + 8 + 4 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1427040823.

Other Providers at the Same Location


The following 7 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Clinical Nurse Specialist
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Obstetrics & Gynecology
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Surgery
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Advanced Practice Midwife
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Obstetrics & Gynecology
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302
Internal Medicine (Gastroenterology)
970 MEDICAL DR STE 202
BRIGHAM CITY, UT 84302

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427040823, enumerated as an "individual" on August 22, 2005.

The provider is located at 970 MEDICAL DR STE 202 BRIGHAM CITY, UT 84302 and the phone number is (435) 723-0329.

Surgery with taxonomy code 208600000X.