Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

HALCY MARTIN-DEAN
NPI 1588583744
Psychologist - School in Klamath Falls, OR

Active since July 13, 2026
1336 AVALON ST, KLAMATH FALLS, OR 97603(541) 883-4745(541) 883-4706 Get Directions

NPPES record added: July 13, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Psychologist
  • School

About HALCY MARTIN-DEAN

This page provides the complete NPI Profile along with additional information for Halcy Martin-dean, a provider established in Klamath Falls, Oregon with a medical specialization in Psychologist, focusing in school . The healthcare provider is registered in the NPI registry with number 1588583744 assigned on July 2026. The practitioner's primary taxonomy code is 103TS0200X. The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1588583744
Provider Name
HALCY MARTIN-DEAN
Gender
Female
Entity Type
Individual
Location Address
1336 AVALON ST KLAMATH FALLS, OR 97603
Location Phone
(541) 883-4745
Location Fax
(541) 883-4706
Mailing Address
1336 AVALON ST KLAMATH FALLS, OR 97603
Mailing Phone
(541) 883-4745
Mailing Fax
(541) 883-4706
Is Sole Proprietor?
No
Enumeration Date
07-13-2026
Last Update Date
07-13-2026
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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 School

Taxonomy Code
103TS0200X
Type
Behavioral Health & Social Service Providers
License State
OR
Taxonomy Description
A psychologist whose specialty is concerned with the science and practice of psychology with children, youth, families; learners of all ages; and the schooling process. The basic education and training of school psychologists prepares them to provide a range of psychological diagnosis, assessment, intervention, prevention, health promotion, and program development and evaluation services with a special focus on the developmental processes of children and youth within the context of schools, families and other systems. School psychologists are prepared to intervene at the individual and system level, and develop, implement, and evaluate preventive programs. In these efforts, they conduct ecologically valid assessments and intervene to promote positive learning environments within which children and youth from diverse backgrounds to ensure that all have equal access to effective educational and psychological services that promote healthy development

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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 1588583744, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
5
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
3
Doubled → 6
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
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 5 → 10 → 1 3 → 6 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 1 + 6 + 8 + 1 + 0 + 8 + 6 + 7 + 8 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1588583744.

Other Providers at the Same Location


The following 11 providers are registered at the same or a nearby location.

Local Education Agency (LEA)
1336 AVALON ST
KLAMATH FALLS, OR 97603
Local Education Agency (LEA)
1336 AVALON ST
KLAMATH FALLS, OR 97603
Speech-Language Pathologist
1336 AVALON ST
KLAMATH FALLS, OR 97603
Registered Nurse
1336 AVALON ST
KLAMATH FALLS, OR 97603
Registered Nurse
1336 AVALON ST
KLAMATH FALLS, OR 97603
Registered Nurse
1336 AVALON ST
KLAMATH FALLS, OR 97603
Speech-Language Pathologist
1336 AVALON ST
KLAMATH FALLS, OR 97603
Speech-Language Pathologist
1336 AVALON ST
KLAMATH FALLS, OR 97603
Speech-Language Pathologist
1336 AVALON ST
KLAMATH FALLS, OR 97603
Specialist/Technologist (Speech-Language Assistant)
1336 AVALON ST
KLAMATH FALLS, OR 97603
Psychologist (School)
1336 AVALON ST
KLAMATH FALLS, OR 97603

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1588583744, enumerated as an "individual" on July 13, 2026.

The provider is located at 1336 AVALON ST KLAMATH FALLS, OR 97603 and the phone number is (541) 883-4745.

Psychologist with taxonomy code 103TS0200X and a focus in School.