ALLISON M. WILLIAMS OTR/L
NPI 1801051859
Occupational Therapist - Pediatrics in Chicago, IL

NPI Status: Active since July 18, 2008

Contact Information

10 E ONTARIO ST
CHICAGO, IL
ZIP 60611
Phone: (312) 649-0728

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  • Individual
  • Female
  • Occupational Therapist
  • Pediatrics

About ALLISON WILLIAMS

This page provides the complete NPI Profile along with additional information for Allison Williams, a provider established in Chicago, Illinois with a medical specialization in Occupational Therapist, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1801051859 assigned on July 2008. The practitioner's primary taxonomy code is 225XP0200X with license number OT004181 (GA). The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1801051859
Provider Name
ALLISON M. WILLIAMS OTR/L
Gender
Female
Entity Type
Individual
Location Address
10 E ONTARIO ST CHICAGO, IL 60611
Location Phone
(312) 649-0728
Mailing Address
PO BOX 1107 CHICAGO, IL 60690
Is Sole Proprietor?
Yes
Enumeration Date
07-18-2008
Last Update Date
03-02-2016
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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 Therapist Pediatrics

Taxonomy Code
225XP0200X
Type
Respiratory, Developmental, Rehabilitative and Restorative Service Providers
License No.
OT004181
License State
GA
Taxonomy Description
Occupational therapists provide services to infants, toddlers and children who have or who are at risk for developmental delays or disabilities. Occupational therapy is concerned with a child's ability to participate in daily life activities or occupations. Occupational therapists use their unique expertise to help children with social-emotional, physical, cognitive, communication, and adaptive behavioral challenges and to help children to be prepared for and perform important learning and school-related activities and to fulfill their rule as students. Through an understanding of the impact of disability, illness, and impairment on a child's development, plan, ability to learn new skills, and overall occupational performance, occupational therapists design interventions that promote healthy development, establish needed skills, and/or modify environments, all in support of participation in daily activities.

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)
1225X00000XRespiratory, Developmental, Rehabilitative and Restorative Service Providers

Occupational Therapist

OT004181 (GA)

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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 1801051859, we treat the final digit (9) 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 0 + 1 + 0 + 5 + 2 + 8 + 1 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1801051859.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Social Worker (Clinical)
10 E ONTARIO ST, 2008
CHICAGO, IL 60611
Dietitian, Registered
10 E ONTARIO ST, UNIT 4506
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1801051859, enumerated as an "individual" on July 18, 2008.

The provider is located at 10 E ONTARIO ST CHICAGO, IL 60611 and the phone number is (312) 649-0728.

Occupational Therapist with taxonomy code 225XP0200X and a focus in Pediatrics.