DR. ROY W. CARLSON DDS
NPI 1639291644
Dentist - General Practice in Edmonds, WA

NPI Status: Active since April 03, 2007

Contact Information

21616 76TH AVE W
SUITE 204
EDMONDS, WA
ZIP 98026
Phone: (425) 775-2521
Fax: (425) 771-7171

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  • Individual
  • Male
  • Dentist
  • General Practice

About ROY CARLSON

This page provides the complete NPI Profile along with additional information for Roy Carlson, a provider established in Edmonds, Washington with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1639291644 assigned on April 2007. The practitioner's primary taxonomy code is 1223G0001X with license number 3908 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1639291644
Provider Name
DR. ROY W. CARLSON DDS
Gender
Male
Entity Type
Individual
Location Address
21616 76TH AVE W SUITE 204 EDMONDS, WA 98026
Location Phone
(425) 775-2521
Location Fax
(425) 771-7171
Mailing Address
21616 76TH AVE W SUITE 204 EDMONDS, WA 98026
Mailing Phone
(425) 775-2521
Mailing Fax
(425) 771-7171
Is Sole Proprietor?
No
Enumeration Date
04-03-2007
Last Update Date
07-08-2007
Code Navigator

A dentist like Roy Carlson is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
3908
License State
WA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1639291644, 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
6
Unchanged
Pos 3
3
Doubled → 6
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
9
Unchanged
Pos 7
1
Doubled → 2
Pos 8
6
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 3 → 6 2 → 4 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 6 + 9 + 4 + 9 + 2 + 6 + 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 1639291644.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
21616 76TH AVE W, #205
EDMONDS, WA 98026
Nurse Practitioner (Women's Health)
21616 76TH AVE W, #205
EDMONDS, WA 98026
Obstetrics & Gynecology
21616 76TH AVE W, #205
EDMONDS, WA 98026
Obstetrics & Gynecology
21616 76TH AVE W, #205
EDMONDS, WA 98026
Obstetrics & Gynecology
21616 76TH AVE W, #205
EDMONDS, WA 98026
Ophthalmology
21616 76TH AVE W, #110
EDMONDS, WA 98026
Ophthalmology
21616 76TH AVE W, STE 104
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, SUITE 112
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, SUITE 112
EDMONDS, WA 98026
Audiologist
21616 76TH AVE W, STE 112
EDMONDS, WA 98026
Audiologist
21616 76TH AVE W, STE 112
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, SUITE 112
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, SUITE 112
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, #112
EDMONDS, WA 98026
Anesthesiology
21616 76TH AVE W, SUITE #112
EDMONDS, WA 98026
Psychologist
21616 76TH AVE W, #102
EDMONDS, WA 98026
Otolaryngology
21616 76TH AVE W, SUITE 112
EDMONDS, WA 98026
Clinical Medical Laboratory
21616 76TH AVE W, SUITE 102
EDMONDS, WA 98026
Massage Therapist
21616 76TH AVE W, STE 102
EDMONDS, WA 98026
Social Worker (Clinical)
21616 76TH AVE W, SUITE 102
EDMONDS, WA 98026

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1639291644, enumerated as an "individual" on April 03, 2007.

The provider is located at 21616 76TH AVE W SUITE 204 EDMONDS, WA 98026 and the phone number is (425) 775-2521.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.