DR. JEFFREY AUSTIN WILLIAMSON D.D.S.
NPI 1245359868
Dentist - General Practice in Lake Oswego, OR

NPI Status: Active since March 28, 2007

Contact Information

5 CENTERPOINTE DR
SUITE 260
LAKE OSWEGO, OR
ZIP 97035
Phone: (503) 684-4174
Fax: (503) 624-7297

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  • Individual
  • Male
  • Dentist
  • General Practice

About JEFFREY WILLIAMSON

This page provides the complete NPI Profile along with additional information for Jeffrey Williamson, a provider established in Lake Oswego, Oregon with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1245359868 assigned on March 2007. The practitioner's primary taxonomy code is 1223G0001X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1245359868
Provider Name
DR. JEFFREY AUSTIN WILLIAMSON D.D.S.
Gender
Male
Entity Type
Individual
Location Address
5 CENTERPOINTE DR SUITE 260 LAKE OSWEGO, OR 97035
Location Phone
(503) 684-4174
Location Fax
(503) 624-7297
Mailing Address
5 CENTERPOINTE DR SUITE 260 LAKE OSWEGO, OR 97035
Mailing Phone
(503) 684-4174
Mailing Fax
(503) 624-7297
Is Sole Proprietor?
Yes
Enumeration Date
03-28-2007
Last Update Date
07-08-2007
Code Navigator

A dentist like Jeffrey Williamson 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.

Location Map

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 State
OR
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 1245359868, 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
1
Doubled → 2
Pos 2
2
Unchanged
Pos 3
4
Doubled → 8
Pos 4
5
Unchanged
Pos 5
3
Doubled → 6
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
8
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
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 4 → 8 3 → 6 9 → 18 → 9 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 8 + 5 + 6 + 5 + 1 + 8 + 8 + 1 + 2 + 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 1245359868.

Other Providers at the Same Location


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

Internal Medicine (Hospice and Palliative Medicine)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Counselor (Professional)
5 CENTERPOINTE DR, SUITE 400
LAKE OSWEGO, OR 97035
Specialist
5 CENTERPOINTE DR, SUITE 400
LAKE OSWEGO, OR 97035
Family Medicine (Geriatric Medicine)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Nurse Practitioner (Adult Health)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Nurse Practitioner (Gerontology)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Internal Medicine
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Psychiatry & Neurology (Psychiatry)
5 CENTERPOINTE DR, SUITE 400
LAKE OSWEGO, OR 97035
Physical Medicine & Rehabilitation
5 CENTERPOINTE DR, STE 400
LAKE OSWEGO, OR 97035
Physician Assistant (Medical)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Clinic/Center (Ophthalmologic Surgery)
5 CENTERPOINTE DR, SUITE 390
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR, SUITE 600
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Nurse Practitioner (Family)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Psychiatry & Neurology (Psychiatry)
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035
Marriage & Family Therapist
5 CENTERPOINTE DR
LAKE OSWEGO, OR 97035

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1245359868, enumerated as an "individual" on March 28, 2007.

The provider is located at 5 CENTERPOINTE DR SUITE 260 LAKE OSWEGO, OR 97035 and the phone number is (503) 684-4174.

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