SARAH MARIE BARTHELOW
NPI 1558880948
Counselor - Mental Health in Seattle, WA

NPI Status: Active since September 17, 2017

Contact Information

1307 N 45TH ST STE 200
SEATTLE, WA
ZIP 98103
Phone: (206) 854-1307

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

Individual
Female
Counselor
Mental Health

About SARAH BARTHELOW

This page provides the complete NPI Profile along with additional information for Sarah Barthelow, a provider established in Seattle, Washington with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1558880948 assigned on September 2017. The practitioner's primary taxonomy code is 101YM0800X with license number MC60872407 (WA). The provider is registered as an individual and her NPI record was last updated 8 years ago.

NPI: 1558880948
Provider Name: SARAH MARIE BARTHELOW
Gender: Female
Entity Type: Individual
Location Address: 1307 N 45TH ST STE 200 SEATTLE, WA 98103
Location Phone: (206) 854-1307
Mailing Address: 633 NW 75TH ST SEATTLE, WA 98117
Mailing Phone: (206) 854-1307
Is Sole Proprietor?: No
Enumeration Date: 09-17-2017
Last Update Date: 07-19-2018
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A mental health counselor like Sarah Barthelow provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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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: Counselor Mental Health
Taxonomy Code: 101YM0800X
Type: Behavioral Health & Social Service Providers
License No.: MC60872407
License State: WA

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 1558880948, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 8

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 5 → 10 → 1 8 → 16 → 7 0 → 0 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 + 0 + 8 + 1 + 6 + 8 + 0 + 9 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1558880948.