MR. JOHN ESPOSITO O.D.
NPI 1841425766
Technician/Technologist - Optician in Fishkill, NY

NPI Status: Active since May 20, 2009

Contact Information

26 W MERRITT BLVD
FISHKILL, NY
ZIP 12524
Phone: (845) 896-1310
Fax: (845) 896-7498

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NPPES record last updated: May 20, 2009. Verified against the NPPES registry weekly; last sync: July 12, 2026.

  • Individual
  • Male
  • Technician/Technologist
  • Optician

About JOHN ESPOSITO

This page provides the complete NPI Profile along with additional information for John Esposito, a provider established in Fishkill, New York with a medical specialization in Technician/technologist, focusing in optician . The healthcare provider is registered in the NPI registry with number 1841425766 assigned on May 2009. The practitioner's primary taxonomy code is 156FX1800X with license number 006378 (NY). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1841425766
Provider Name
MR. JOHN ESPOSITO O.D.
Gender
Male
Entity Type
Individual
Location Address
26 W MERRITT BLVD FISHKILL, NY 12524
Location Phone
(845) 896-1310
Location Fax
(845) 896-7498
Mailing Address
26 W MERRITT BLVD FISHKILL, NY 12524
Mailing Phone
(845) 896-1310
Mailing Fax
(845) 896-7498
Is Sole Proprietor?
Yes
Enumeration Date
05-20-2009
Last Update Date
05-20-2009
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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.
006378
License State
NY
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 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 1841425766, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 8 + 2 + 1 + 0 + 7 + 1 + 2 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1841425766.

Other Providers at the Same Location


The following 18 providers are registered at the same or a nearby location.

Eyewear Supplier
26 W MERRITT BLVD
FISHKILL, NY 12524
Optometrist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Optometrist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacist
26 W MERRITT BLVD
FISHKILL, NY 12524
Clinic/Center (Dental)
26 W MERRITT BLVD
FISHKILL, NY 12524
Optometrist
26 W MERRITT BLVD
FISHKILL, NY 12524
Technician/Technologist (Optician)
26 W MERRITT BLVD
FISHKILL, NY 12524
Technician/Technologist (Optician)
26 W MERRITT BLVD
FISHKILL, NY 12524
Technician/Technologist (Optician)
26 W MERRITT BLVD
FISHKILL, NY 12524
Optometrist
26 W MERRITT BLVD
FISHKILL, NY 12524
Optometrist
26 W MERRITT BLVD
FISHKILL, NY 12524
Pharmacy (Community/Retail Pharmacy)
26 W MERRITT BLVD
FISHKILL, NY 12524
Technician/Technologist (Optician)
26 W MERRITT BLVD
FISHKILL, NY 12524

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841425766, enumerated as an "individual" on May 20, 2009.

The provider is located at 26 W MERRITT BLVD FISHKILL, NY 12524 and the phone number is (845) 896-1310.

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