DR. TY JUAN MARKHAM PSYD
NPI 1285799254
Clinical Neuropsychologist in Torrey, UT

NPI Status: Active since December 27, 2006

Contact Information

87 W. MAIN ST.
TORREY, UT
ZIP 84775
Phone: (435) 491-0230
Fax: (801) 581-6243

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  • Individual
  • Female
  • Clinical Neuropsychologist

About TY MARKHAM

This page provides the complete NPI Profile along with additional information for Ty Markham, a provider established in Torrey, Utah with a medical specialization in Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1285799254 assigned on December 2006. The practitioner's primary taxonomy code is 103G00000X with license number 270973-2501 (UT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1285799254
Provider Name
DR. TY JUAN MARKHAM PSYD
Gender
Female
Entity Type
Individual
Location Address
87 W. MAIN ST. TORREY, UT 84775
Location Phone
(435) 491-0230
Location Fax
(801) 581-6243
Mailing Address
150 N. CENTER ST. P.O. BOX 750337 TORREY, UT 84775
Mailing Phone
(435) 491-0230
Mailing Fax
(801) 581-6243
Is Sole Proprietor?
Yes
Enumeration Date
12-27-2006
Last Update Date
09-11-2025
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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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
License No.
270973-2501
License State
UT
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human 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)
1103T00000XBehavioral Health & Social Service Providers

Psychologist

270973-2501 (UT)
2103TA0700XBehavioral Health & Social Service Providers

Psychologist
Adult Development & Aging

270973-2501 (UT)
3103TB0200XBehavioral Health & Social Service Providers

Psychologist
Cognitive & Behavioral

270973-2501 (UT)
4103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

270973-2501 (UT)
5103TC1900XBehavioral Health & Social Service Providers

Psychologist
Counseling

270973-2501 (UT)
6103TF0000XBehavioral Health & Social Service Providers

Psychologist
Family

270973-2501 (UT)
7103TP2701XBehavioral Health & Social Service Providers

Psychologist
Group Psychotherapy

270973-2501 (UT)
8103TR0400XBehavioral Health & Social Service Providers

Psychologist
Rehabilitation

270973-2501 (UT)

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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 1285799254, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
8
Doubled → 16 → 1 + 6
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
4
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 7 → 14 → 5 9 → 18 → 9 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 6 + 5 + 1 + 4 + 9 + 1 + 8 + 2 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1285799254.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1285799254, enumerated as an "individual" on December 27, 2006.

The provider is located at 87 W. MAIN ST. TORREY, UT 84775 and the phone number is (435) 491-0230.

Clinical Neuropsychologist with taxonomy code 103G00000X.