ROMEO T VILLASENOR
NPI 1003613803
Occupational Therapy Assistant in Chicago, IL

NPI Status: Active since February 27, 2025

Contact Information

4018 N PARKSIDE AVE # 1
CHICAGO, IL
ZIP 60634
Phone: (773) 732-0049

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  • Individual
  • Male
  • Occupational Therapy Assistant

About ROMEO VILLASENOR

This page provides the complete NPI Profile along with additional information for Romeo Villasenor, a provider established in Chicago, Illinois with a medical specialization in Occupational Therapy Assistant. The healthcare provider is registered in the NPI registry with number 1003613803 assigned on February 2025. The practitioner's primary taxonomy code is 224Z00000X with license number 057002328 (IL). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1003613803
Provider Name
ROMEO T VILLASENOR
Gender
Male
Entity Type
Individual
Location Address
4018 N PARKSIDE AVE # 1 CHICAGO, IL 60634
Location Phone
(773) 732-0049
Mailing Address
4018 N PARKSIDE AVE # 1 CHICAGO, IL 60634
Mailing Phone
(773) 732-0049
Is Sole Proprietor?
No
Enumeration Date
02-27-2025
Last Update Date
02-27-2025
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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

Occupational Therapy Assistant

Taxonomy Code
224Z00000X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
057002328
License State
IL
Taxonomy Description
An occupational therapy assistant is a person who has graduated from an occupational therapy assistant program accredited by the Accreditation Council for Occupational Therapy Education (ACOTE) or predecessor organizations, has successfully completed a period of supervised fieldwork experience required by the accredited occupational therapy assistant program, has passed a nationally recognized entry-level examination for occupational therapy assistants, and fulfills state requirements for licensure, certification, or registration. An occupational therapy assistant provides interventions under the supervision of an occupational therapist which emphasize the therapeutic use of everyday life activities (i.e., occupations) with individuals or groups for the purpose of facilitating participation in roles and situations and in home, school, workplace, community and other settings. Occupational therapy services are provided for the purpose of promoting health and wellness and are provided to those who have or are at risk for developing an illness, injury, disease, disorder, condition, impairment, disability, activity limitation, or participation restriction. Occupational therapy assistants address the physical, cognitive, psychosocial, sensory, and other aspects of occupational performance in a variety of contexts to support engagement in everyday life activities that affect health, well-being, and quality of life.

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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 1003613803, 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 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
0
Unchanged
Pos 3
0
Doubled → 0
Pos 4
3
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
1
Unchanged
Pos 7
3
Doubled → 6
Pos 8
8
Unchanged
Pos 9
0
Doubled → 0
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 0 → 0 6 → 12 → 3 3 → 6 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 0 + 0 + 3 + 1 + 2 + 1 + 6 + 8 + 0 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1003613803.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1003613803, enumerated as an "individual" on February 27, 2025.

The provider is located at 4018 N PARKSIDE AVE # 1 CHICAGO, IL 60634 and the phone number is (773) 732-0049.

Occupational Therapy Assistant with taxonomy code 224Z00000X.