DR. HAYLEY ELIZABETH CLOCKSIN PHD
NPI 1043185002
Psychologist - Clinical Child & Adolescent in Columbia, MO

NPI Status: Active since October 09, 2025

Contact Information

701 VETERANS UNITED DR
COLUMBIA, MO
ZIP 65201
Phone: (573) 884-6052
Fax: (573) 884-3195

NPI Profile Information
Primary Taxonomy
Secondary Taxonomies
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Psychologist
Clinical Child & Adolescent

About HAYLEY CLOCKSIN

This page provides the complete NPI Profile along with additional information for Hayley Clocksin, a provider established in Columbia, Missouri with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1043185002 assigned on October 2025. The practitioner's primary taxonomy code is 103TC2200X with license number 2025036861 (MO). The provider is registered as an individual and her NPI record was last updated March 2026.

NPI: 1043185002
Provider Name: DR. HAYLEY ELIZABETH CLOCKSIN PHD
Gender: Female
Entity Type: Individual
Location Address: 701 VETERANS UNITED DR COLUMBIA, MO 65201
Location Phone: (573) 884-6052
Location Fax: (573) 884-3195
Mailing Address: PO BOX 843966 KANSAS CITY, MO 64184
Mailing Phone: (573) 884-3300
Mailing Fax: (573) 884-3195
Is Sole Proprietor?: No
Enumeration Date: 10-09-2025
Last Update Date: 03-23-2026
Code Navigator

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: Psychologist Clinical Child & Adolescent
Taxonomy Code: 103TC2200X
Type: Behavioral Health & Social Service Providers
License No.: 2025036861
License State: MO
Taxonomy Description: A psychologist who develops and applies scientific knowledge to the delivery of psychological services to infants, toddlers, children and adolescents within their social context. Of particular importance to the specialty of clinical child psychology is an understanding of the basic psychological needs of children and adolescents, and how the family and other social contexts influence the socio-emotional adjustment, cognitive development, behavioral adaptation and health status of children and adolescents.

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)
1	103T00000X	Behavioral Health & Social Service Providers	Psychologist	2025036861 (MO)

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 1043185002, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 8

Pos 4

Unchanged

Pos 5

Doubled → 2

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 0

Check

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 4 → 8 1 → 2 5 → 10 → 1 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 8 + 3 + 2 + 8 + 1 + 0 + 0 + 0 + 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 1043185002.