JOSELYN DLOUHY O.D.
NPI 1952928558
Optometrist - Corneal and Contact Management in Bloomington, IN

NPI Status: Active since June 30, 2020

Contact Information

744 E 3RD ST
BLOOMINGTON, IN
ZIP 47405
Phone: (269) 362-5262

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Female
Optometrist
Corneal and Contact Management

About JOSELYN DLOUHY

This page provides the complete NPI Profile along with additional information for Joselyn Dlouhy, a provider established in Bloomington, Indiana with a medical specialization in Optometrist, focusing in corneal and contact management . The healthcare provider is registered in the NPI registry with number 1952928558 assigned on June 2020. The practitioner's primary taxonomy code is 152WC0802X with license number 18004229A (IN). The provider is registered as an individual and her NPI record was last updated 6 years ago.

NPI: 1952928558
Provider Name: JOSELYN DLOUHY O.D.
Gender: Female
Entity Type: Individual
Location Address: 744 E 3RD ST BLOOMINGTON, IN 47405
Location Phone: (269) 362-5262
Mailing Address: 744 E 3RD ST BLOOMINGTON, IN 47405
Is Sole Proprietor?: No
Enumeration Date: 06-30-2020
Last Update Date: 06-30-2020
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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.: 18004229A
License State: IN
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.

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 1952928558, 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 10 → 1 + 0

Pos 4

Unchanged

Pos 5

Doubled → 18 → 1 + 8

Pos 6

Unchanged

Pos 7

Doubled → 16 → 1 + 6

Pos 8

Unchanged

Pos 9

Doubled → 10 → 1 + 0

Check

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 5 → 10 → 1 9 → 18 → 9 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 8 + 2 + 1 + 6 + 5 + 1 + 0 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8

This NPI is valid

The calculated check digit is 8, which matches the last digit of 1952928558.