KATHARINE BERENSON SELAH
NPI 1922897743
Psychologist - Clinical Child & Adolescent in Portland, OR

NPI Status: Active since May 06, 2025

Contact Information

1800 SW 1ST AVE STE 400
PORTLAND, OR
ZIP 97201
Phone: (917) 951-1437

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  • Individual
  • Female
  • Psychologist
  • Clinical Child & Adolescent

About KATHARINE SELAH

This page provides the complete NPI Profile along with additional information for Katharine Selah, a provider established in Portland, Oregon with a medical specialization in Psychologist, focusing in clinical child & adolescent . The healthcare provider is registered in the NPI registry with number 1922897743 assigned on May 2025. The practitioner's primary taxonomy code is 103TC2200X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1922897743
Provider Name
KATHARINE BERENSON SELAH
Gender
Female
Entity Type
Individual
Location Address
1800 SW 1ST AVE STE 400 PORTLAND, OR 97201
Location Phone
(917) 951-1437
Mailing Address
1800 SW 1ST AVE STE 400 PORTLAND, OR 97201
Mailing Phone
(971) 251-9856
Is Sole Proprietor?
No
Enumeration Date
05-06-2025
Last Update Date
06-30-2025
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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

Psychologist Clinical Child & Adolescent

Taxonomy Code
103TC2200X
Type
Behavioral Health & Social Service Providers
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.

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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 1922897743, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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
9
Unchanged
Pos 3
2
Doubled → 4
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
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 8 → 16 → 7 7 → 14 → 5 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 4 + 2 + 1 + 6 + 9 + 1 + 4 + 7 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1922897743.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1922897743, enumerated as an "individual" on May 06, 2025.

The provider is located at 1800 SW 1ST AVE STE 400 PORTLAND, OR 97201 and the phone number is (917) 951-1437.

Psychologist with taxonomy code 103TC2200X and a focus in Clinical Child & Adolescent.