DR. CHARLES DAVID MEAD O.D.
NPI 1164531471
Optometrist - Corneal and Contact Management in Vancouver, WA

NPI Status: Active since August 30, 2006

Contact Information

14406 NE 20TH AVE
VANCOUVER, WA
ZIP 98686
Phone: (360) 571-3084
Fax: (360) 571-3082

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  • Individual
  • Male
  • Optometrist
  • Corneal and Contact Management

About CHARLES MEAD

This page provides the complete NPI Profile along with additional information for Charles Mead, a provider established in Vancouver, Washington with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1164531471 assigned on August 2006. The practitioner's primary taxonomy code is 152WC0802X with license number OD00001440 (WA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1164531471
Provider Name
DR. CHARLES DAVID MEAD O.D.
Gender
Male
Entity Type
Individual
Location Address
14406 NE 20TH AVE VANCOUVER, WA 98686
Location Phone
(360) 571-3084
Location Fax
(360) 571-3082
Mailing Address
3201 NE 164TH ST RIDGEFIELD, WA 98642
Mailing Phone
(360) 573-6805
Is Sole Proprietor?
No
Enumeration Date
08-30-2006
Last Update Date
07-08-2007
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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

Optometrist Corneal and Contact Management

Taxonomy Code
152WC0802X
Type
Eye and Vision Services Providers
License No.
OD00001440
License State
WA
Taxonomy Description
The professional activities performed by an Optometrist related to the fitting of contact lenses to an eye, ongoing evaluation of the cornea's ability to sustain successful contact lens wear, and treatment of any external eye or corneal condition which can affect contact lens wear.

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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 1164531471, we treat the final digit (1) 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 49. The final step is to find the difference between that total and the next multiple of ten (50 - 49 = 1).

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
6
Doubled → 12 → 1 + 2
Pos 4
4
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 5 → 10 → 1 1 → 2 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 2 + 4 + 1 + 0 + 3 + 2 + 4 + 1 + 4 + 24 = 49

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

The next multiple of ten after 49 is 50. The difference is the calculated check digit.

50 - 49 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1164531471.

Other Providers at the Same Location


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

Specialist
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dentist
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dentist (General Practice)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dentist (General Practice)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dentist (General Practice)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dentist (General Practice)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dental Assistant
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dental Hygienist
14406 NE 20TH AVE
VANCOUVER, WA 98686
Denturist
14406 NE 20TH AVE, KAISER, SALMON CREEK DENTAL OFFICE
VANCOUVER, WA 98686
Dental Assistant
14406 NE 20TH AVE
VANCOUVER, WA 98686
Family Medicine
14406 NE 20TH AVE
VANCOUVER, WA 98686
Counselor (Addiction (Substance Use Disorder))
14406 NE 20TH AVE
VANCOUVER, WA 98686
Obstetrics & Gynecology
14406 NE 20TH AVE, KAISER PERMANENTE SALMON CREEK MEDICAL OFFICE
VANCOUVER, WA 98686
Dentist (General Practice)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Obstetrics & Gynecology
14406 NE 20TH AVE, KAISER SALMON CREEK MEDICAL OFFICE BUILDING
VANCOUVER, WA 98686
Physician Assistant (Medical)
14406 NE 20TH AVE
VANCOUVER, WA 98686
Ophthalmology
14406 NE 20TH AVE
VANCOUVER, WA 98686
Optometrist
14406 NE 20TH AVE, OPTOMETRY DEPARTMENT
VANCOUVER, WA 98686
Dental Hygienist
14406 NE 20TH AVE
VANCOUVER, WA 98686
Dental Assistant
14406 NE 20TH AVE
VANCOUVER, WA 98686

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1164531471, enumerated as an "individual" on August 30, 2006.

The provider is located at 14406 NE 20TH AVE VANCOUVER, WA 98686 and the phone number is (360) 571-3084.

Optometrist with taxonomy code 152WC0802X and a focus in Corneal and Contact Management.