MR. CHRISTOPHER HAYDEN DUNN L.D.O
NPI 1497947493
Technician/Technologist - Optician in Naples, FL

NPI Status: Active since August 14, 2007

Contact Information

5926 PREMIER WAY #112
NAPLES, FL
ZIP 34109
Phone: (239) 465-0180
Fax: (239) 465-0185

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  • Individual
  • Male
  • Technician/Technologist
  • Optician

About CHRISTOPHER DUNN

This page provides the complete NPI Profile along with additional information for Christopher Dunn, a provider established in Naples, Florida with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1497947493 assigned on August 2007. The practitioner's primary taxonomy code is 156FX1800X with license number DO 4567 (FL). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1497947493
Provider Name
MR. CHRISTOPHER HAYDEN DUNN L.D.O
Gender
Male
Entity Type
Individual
Location Address
5926 PREMIER WAY #112 NAPLES, FL 34109
Location Phone
(239) 465-0180
Location Fax
(239) 465-0185
Mailing Address
5926 PREMIER WAY #112 NAPLES, FL 34109
Mailing Phone
(239) 465-0180
Mailing Fax
(239) 465-0185
Is Sole Proprietor?
Yes
Enumeration Date
08-14-2007
Last Update Date
08-14-2007
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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

Technician/Technologist Optician

Taxonomy Code
156FX1800X
Type
Eye and Vision Services Providers
License No.
DO 4567
License State
FL
Taxonomy Description
Opticians help fit eyeglasses and contact lenses, following prescriptions from Ophthalmologists and Optometrists. They also help customers decide which eyeglass frame or contact lenses to buy.

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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 1497947493, we treat the final digit (3) 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 3).

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
4
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
7
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
3
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 9 → 18 → 9 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 1 + 8 + 7 + 1 + 8 + 4 + 1 + 4 + 4 + 1 + 8 + 24 = 77

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

The next multiple of ten after 77 is 80. The difference is the calculated check digit.

80 - 77 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1497947493.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1497947493, enumerated as an "individual" on August 14, 2007.

The provider is located at 5926 PREMIER WAY #112 NAPLES, FL 34109 and the phone number is (239) 465-0180.

Technician/Technologist with taxonomy code 156FX1800X and a focus in Optician.