DR. CLAYTON JOSEPH CASSIDY DPM
NPI 1780320663
Podiatrist - Foot & Ankle Surgery in Lorain, OH

NPI Status: Active since May 12, 2022

Contact Information

3700 KOLBE RD
LORAIN, OH
ZIP 44053
Phone: (440) 960-4000

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

Individual
Male
Podiatrist
Foot & Ankle Surgery

About CLAYTON CASSIDY

This page provides the complete NPI Profile along with additional information for Clayton Cassidy, a provider established in Lorain, Ohio with a medical specialization in Podiatrist, focusing in foot & ankle surgery . The healthcare provider is registered in the NPI registry with number 1780320663 assigned on May 2022. The practitioner's primary taxonomy code is 213ES0103X with license number 59.000962 (OH). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI: 1780320663
Provider Name: DR. CLAYTON JOSEPH CASSIDY DPM
Gender: Male
Entity Type: Individual
Location Address: 3700 KOLBE RD LORAIN, OH 44053
Location Phone: (440) 960-4000
Mailing Address: 20300 N PARK BLVD APT 5B SHAKER HEIGHTS, OH 44118
Mailing Phone: (216) 925-2505
Mailing Fax
Is Sole Proprietor?: Yes
Enumeration Date: 05-12-2022
Last Update Date: 06-28-2022
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Location Map

Secondary Locations

9500 Euclid Ave # Na-23
Cleveland, OH 44195
(216) 444-2200

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: Podiatrist Foot & Ankle Surgery
Taxonomy Code: 213ES0103X
Type: Podiatric Medicine & Surgery Service Providers
License No.: 59.000962
License State: OH

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No.	Taxonomy Code	Type	Classification / Specialization	License No. (State)
1	390200000X	Student, Health Care	Student in an Organized Health Care Education/Training Program

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 1780320663, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 16 → 1 + 6

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 0

Pos 8

Unchanged

Pos 9

Doubled → 12 → 1 + 2

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 8 → 16 → 7 3 → 6 0 → 0 6 → 12 → 3