MRS. AUDREY L TREWIN OTR/L
NPI 1376861435
Occupational Therapist - Pediatrics in Torrance, CA

NPI Status: Active since May 12, 2010

Contact Information

21615 HAWTHORNE BLVD STE 200
TORRANCE, CA
ZIP 90503
Phone: (310) 371-8555
Fax: (310) 371-4488

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

Individual
Female
Occupational Therapist
Pediatrics

About AUDREY TREWIN

This page provides the complete NPI Profile along with additional information for Audrey Trewin, a provider established in Torrance, California with a medical specialization in Occupational Therapist, focusing in pediatrics . The healthcare provider is registered in the NPI registry with number 1376861435 assigned on May 2010. The practitioner's primary taxonomy code is 225XP0200X with license number 5790 (CA). The provider is registered as an individual and her NPI record was last updated 12 years ago.

NPI: 1376861435
Provider Name: MRS. AUDREY L TREWIN OTR/L
Gender: Female
Entity Type: Individual
Location Address: 21615 HAWTHORNE BLVD STE 200 TORRANCE, CA 90503
Location Phone: (310) 371-8555
Location Fax: (310) 371-4488
Mailing Address: 1233 S HELBERTA AVE REDONDO BEACH, CA 90277
Mailing Phone: (650) 704-8123
Is Sole Proprietor?: Yes
Enumeration Date: 05-12-2010
Last Update Date: 01-27-2014
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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.: 5790
License State: CA
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.

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 1376861435, we treat the final digit (5) 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 65. The final step is to find the difference between that total and the next multiple of ten (70 - 65 = 5).

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 → 14 → 1 + 4

Pos 4

Unchanged

Pos 5

Doubled → 16 → 1 + 6

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 6

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 7 → 14 → 5 8 → 16 → 7 1 → 2 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 4 + 6 + 1 + 6 + 6 + 2 + 4 + 6 + 24 = 65

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

The next multiple of ten after 65 is 70. The difference is the calculated check digit.

70 - 65 = 5

This NPI is valid

The calculated check digit is 5, which matches the last digit of 1376861435.