DR. DOUGLAS ROBERT VERHOEF D.D.S.
NPI 1891009304
Dentist - Prosthodontics in Seattle, WA

NPI Status: Active since July 27, 2010

Contact Information

1959 NE PACIFIC ST
DEPT. OF RESTORATIVE DENTISTRY 357456
SEATTLE, WA
ZIP 98195
Phone: (206) 543-5948
Fax: (206) 543-7783

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  • Individual
  • Male
  • Dentist
  • Prosthodontics

About DOUGLAS VERHOEF

This page provides the complete NPI Profile along with additional information for Douglas Verhoef, a provider established in Seattle, Washington with a medical specialization in Dentist, focusing in prosthodontics . The healthcare provider is registered in the NPI registry with number 1891009304 assigned on July 2010. The practitioner's primary taxonomy code is 1223P0700X with license number DE 00004409 (WA). The provider is registered as an individual and his NPI record was last updated 16 years ago.

NPI
1891009304
Provider Name
DR. DOUGLAS ROBERT VERHOEF D.D.S.
Gender
Male
Entity Type
Individual
Location Address
1959 NE PACIFIC ST DEPT. OF RESTORATIVE DENTISTRY 357456 SEATTLE, WA 98195
Location Phone
(206) 543-5948
Location Fax
(206) 543-7783
Mailing Address
319 NW 113TH PL SEATTLE, WA 98177
Mailing Phone
(206) 364-0924
Mailing Fax
(206) 543-7783
Is Sole Proprietor?
No
Enumeration Date
07-27-2010
Last Update Date
07-27-2010
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A dentist like Douglas Verhoef 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 Prosthodontics

Taxonomy Code
1223P0700X
Type
Dental Providers
License No.
DE 00004409
License State
WA
Taxonomy Description
That branch of dentistry pertaining to the restoration and maintenance of oral functions, comfort, appearance and health of the patient by the restoration of natural teeth and/or the replacement of missing teeth and contiguous oral and maxillofacial tissues with artificial substitutes.

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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 1891009304, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
0
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
0
Doubled → 0
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 9 → 18 → 9 0 → 0 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 0 + 0 + 1 + 8 + 3 + 0 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1891009304.

Other Providers at the Same Location


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

Internal Medicine (Nephrology)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Psychiatry & Neurology (Neurology)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Psychiatry & Neurology (Psychiatry)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Practitioner (Family)
1959 NE PACIFIC ST, BOX 356174
SEATTLE, WA 98195
Genetic Counselor, MS
1959 NE PACIFIC ST, BOX 357720
SEATTLE, WA 98195
Genetic Counselor, MS
1959 NE PACIFIC ST, BOX 356320 UNIV. OF WASH
SEATTLE, WA 98195
Nurse Practitioner (Family)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Emergency Medicine
1959 NE PACIFIC ST
SEATTLE, WA 98195
Obstetrics & Gynecology (Maternal & Fetal Medicine)
1959 NE PACIFIC ST
SEATTLE, WA 98195
Orthopaedic Surgery (Sports Medicine)
1959 NE PACIFIC ST, BOX 356500
SEATTLE, WA 98195
Pharmacist (Pharmacotherapy)
1959 NE PACIFIC ST, BOX 356015
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST, BOX 356540
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195
Nurse Anesthetist, Certified Registered
1959 NE PACIFIC ST
SEATTLE, WA 98195

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891009304, enumerated as an "individual" on July 27, 2010.

The provider is located at 1959 NE PACIFIC ST DEPT. OF RESTORATIVE DENTISTRY 357456 SEATTLE, WA 98195 and the phone number is (206) 543-5948.

Dentist with taxonomy code 1223P0700X and a focus in Prosthodontics.