DIANA LOUISE ELSTAD
NPI 1154475994
Counselor in Seattle, WA

NPI Status: Active since January 22, 2007

Contact Information

1800 WESTLAKE AVE N
SUITE 204
SEATTLE, WA
ZIP 98109
Phone: (425) 890-7113

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  • Individual
  • Female
  • Counselor

About DIANA ELSTAD

This page provides the complete NPI Profile along with additional information for Diana Elstad, a provider established in Seattle, Washington with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1154475994 assigned on January 2007. The practitioner's primary taxonomy code is 101Y00000X with license number LH00003771 (WA). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI
1154475994
Provider Name
DIANA LOUISE ELSTAD
Gender
Female
Entity Type
Individual
Location Address
1800 WESTLAKE AVE N SUITE 204 SEATTLE, WA 98109
Location Phone
(425) 890-7113
Mailing Address
1800 WESTLAKE AVE N SUITE 204 SEATTLE, WA 98109
Mailing Phone
(425) 890-7113
Is Sole Proprietor?
Yes
Enumeration Date
01-22-2007
Last Update Date
12-13-2013
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
LH00003771
License State
WA
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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)
1101YA0400XBehavioral Health & Social Service Providers

Counselor
Addiction (Substance Use Disorder)

CP00000475 (WA)

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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 1154475994, 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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
4
Doubled → 8
Pos 6
7
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
9
Unchanged
Pos 9
9
Doubled → 18 → 1 + 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 5 → 10 → 1 4 → 8 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 8 + 7 + 1 + 0 + 9 + 1 + 8 + 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 1154475994.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Social Worker (Clinical)
1800 WESTLAKE AVE N, SUITE 102A
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 305
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 200
SEATTLE, WA 98109
Psychologist
1800 WESTLAKE AVE N, SUITE 305
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
Clinic/Center (Mental Health (Including Community Mental Health Center))
1800 WESTLAKE AVE N
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, #303
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 303
SEATTLE, WA 98109
Marriage & Family Therapist
1800 WESTLAKE AVE N, SUITE 303
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE #304
SEATTLE, WA 98109
Massage Therapist
1800 WESTLAKE AVE N
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE #102
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 303
SEATTLE, WA 98109
Marriage & Family Therapist
1800 WESTLAKE AVE N, SUITE 204
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE #206
SEATTLE, WA 98109
Counselor (Mental Health)
1800 WESTLAKE AVE N, SUITE 303
SEATTLE, WA 98109

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154475994, enumerated as an "individual" on January 22, 2007.

The provider is located at 1800 WESTLAKE AVE N SUITE 204 SEATTLE, WA 98109 and the phone number is (425) 890-7113.

Counselor with taxonomy code 101Y00000X.