MR. DAVID L CALOF
NPI 1366684508
Counselor - Mental Health in Seattle, WA

NPI Status: Active since April 02, 2009

Contact Information

10564 5TH AVE NE
SUITE 405
SEATTLE, WA
ZIP 98125
Phone: (206) 306-9026
Fax: (206) 306-9631

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  • Individual
  • Male
  • Counselor
  • Mental Health

About DAVID CALOF

This page provides the complete NPI Profile along with additional information for David Calof, 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 1366684508 assigned on April 2009. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and his NPI record was last updated 5 years ago.

NPI
1366684508
Provider Name
MR. DAVID L CALOF
Gender
Male
Entity Type
Individual
Location Address
10564 5TH AVE NE SUITE 405 SEATTLE, WA 98125
Location Phone
(206) 306-9026
Location Fax
(206) 306-9631
Mailing Address
10564 5TH AVE NE SUITE 405 SEATTLE, WA 98125
Mailing Phone
(206) 306-9026
Mailing Fax
(206) 306-9631
Is Sole Proprietor?
Yes
Enumeration Date
04-02-2009
Last Update Date
02-13-2021
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A mental health counselor like David Calof 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

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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 1366684508, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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
1
Doubled → 2
Pos 2
3
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
6
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
8
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 6 → 12 → 3 6 → 12 → 3 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 2 + 6 + 1 + 2 + 8 + 8 + 5 + 0 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1366684508.

Other Providers at the Same Location


The following 19 providers are registered at the same or a nearby location.

Audiologist
10564 5TH AVE NE, SUITE 203
SEATTLE, WA 98125
Ophthalmology
10564 5TH AVE NE, SUITE 301
SEATTLE, WA 98125
Ophthalmology
10564 5TH AVE NE, SUITE 102
SEATTLE, WA 98125
Physical Therapist
10564 5TH AVE NE, SUITE 302
SEATTLE, WA 98125
Physical Therapist
10564 5TH AVE NE, SUITE 302
SEATTLE, WA 98125
Specialist
10564 5TH AVE NE
SEATTLE, WA 98125
Massage Therapist
10564 5TH AVE NE, #202
SEATTLE, WA 98125
Audiologist
10564 5TH AVE NE, SUITE 203
SEATTLE, WA 98125
Dentist
10564 5TH AVE NE, SUITE 403
SEATTLE, WA 98125
Massage Therapist
10564 5TH AVE NE, SUITE 303
SEATTLE, WA 98125
Specialist
10564 5TH AVE NE, STE 103
SEATTLE, WA 98125
Massage Therapist
10564 5TH AVE NE, SUITE 303
SEATTLE, WA 98125
Dentist
10564 5TH AVE NE, #205
SEATTLE, WA 98125
Audiologist
10564 5TH AVE NE, SUITE 203
SEATTLE, WA 98125
Family Medicine
10564 5TH AVE NE, SUITE 402
SEATTLE, WA 98125
Community/Behavioral Health
10564 5TH AVE NE, SUITE 301
SEATTLE, WA 98125
Occupational Therapist (Hand)
10564 5TH AVE NE, SUITE 402
SEATTLE, WA 98125
Audiologist-Hearing Aid Fitter
10564 5TH AVE NE, #203
SEATTLE, WA 98125
Surgery (Vascular Surgery)
10564 5TH AVE NE, SUITE 102
SEATTLE, WA 98125

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1366684508, enumerated as an "individual" on April 02, 2009.

The provider is located at 10564 5TH AVE NE SUITE 405 SEATTLE, WA 98125 and the phone number is (206) 306-9026.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.