Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. DERRICK KNOX MD
NPI 1295480218
Psychiatry & Neurology - Psychiatry in Camp Lejeune, NC

Active since February 17, 2022
MLG PSYCH (BLDG 327), CLR-27, BLDG 2, CAMP LEJEUNE, NC 28547(910) 451-6628 Get Directions Write a Review

NPPES record last updated: July 10, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

Record update history: Jul 10, 2026, Feb 17, 2022 (2 updates tracked since 2022).

  • Individual
  • Male
  • Psychiatry & Neurology
  • Psychiatry

About DERRICK KNOX

This page provides the complete NPI Profile along with additional information for Derrick Knox, a provider established in Camp Lejeune, North Carolina with a medical specialization in Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1295480218 assigned on February 2022. The practitioner's primary taxonomy code is 2084P0800X with license number 0101279387 (VA). The provider is registered as an individual and his NPI record was last updated July 2026.

NPI
1295480218
Provider Name
MR. DERRICK KNOX MD
Gender
Male
Entity Type
Individual
Location Address
MLG PSYCH (BLDG 327) CLR-27, BLDG 2 CAMP LEJEUNE, NC 28547
Location Phone
(910) 451-6628
Mailing Address
MLG PSYCH (BLDG 327) CLR-27, BLDG 2 CAMP LEJEUNE, NC 28547
Is Sole Proprietor?
Yes
Enumeration Date
02-17-2022
Last Update Date
07-10-2026
Code Navigator

A psychiatrist like Derrick Knox are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
License No.
0101279387
License State
VA
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

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)
1171000000XOther Service Providers

Military Health Care Provider

 
2208D00000XAllopathic & Osteopathic Physicians

General Practice

0101279387 (VA)

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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 1295480218, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 8 + 8 + 0 + 2 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1295480218.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295480218, enumerated as an "individual" on February 17, 2022.

The provider is located at MLG PSYCH (BLDG 327) CLR-27, BLDG 2 CAMP LEJEUNE, NC 28547 and the phone number is (910) 451-6628.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.