HOLLIE PORTWINE
NPI 1336891159
Occupational Therapy Assistant in Richland Center, WI
NPI Status: Active since January 23, 2022
Contact Information
1400 W SEMINARY ST
RICHLAND CENTER, WI
ZIP 53581
Phone: (608) 647-8931
- Individual
- Female
- Occupational Therapy Assistant
About HOLLIE PORTWINE
This page provides the complete NPI Profile along with additional information for Hollie Portwine, a provider established in Richland Center, Wisconsin with a medical specialization in Occupational Therapy Assistant. The healthcare provider is registered in the NPI registry with number 1336891159 assigned on January 2022. The practitioner's primary taxonomy code is 224Z00000X with license number 5747-27 (WI). The provider is registered as an individual and her NPI record was last updated one year ago.
- NPI
- 1336891159
- Provider Name
- HOLLIE PORTWINE
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1400 W SEMINARY ST RICHLAND CENTER, WI 53581
- Location Phone
- (608) 647-8931
- Mailing Address
- 26357 COUNTY HWY Y RICHLAND CENTER, WI 53581
- Mailing Phone
- (608) 632-1641
- Is Sole Proprietor?
- No
- Enumeration Date
- 01-23-2022
- Last Update Date
- 09-09-2025
- Code Navigator
Location Map
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.
- 5747-27
- License State
- WI
- 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 1336891159, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 5 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1336891159, enumerated as an "individual" on January 23, 2022.
The provider is located at 1400 W SEMINARY ST RICHLAND CENTER, WI 53581 and the phone number is (608) 647-8931.
Occupational Therapy Assistant with taxonomy code 224Z00000X.
