SARAH BIESOLD BCBA
NPI 1013539519
Behavior Analyst in Federal Way, WA
NPI Status: Active since May 07, 2020
Contact Information
1010 S 336TH ST STE 108
FEDERAL WAY, WA
ZIP 98003
Phone: (253) 350-4465
- Individual
- Female
- Behavior Analyst
About SARAH BIESOLD
This page provides the complete NPI Profile along with additional information for Sarah Biesold, a provider established in Federal Way, Washington with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1013539519 assigned on May 2020. The practitioner's primary taxonomy code is 103K00000X. The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1013539519
- Provider Name
- SARAH BIESOLD BCBA
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 1010 S 336TH ST STE 108 FEDERAL WAY, WA 98003
- Location Phone
- (253) 350-4465
- Mailing Address
- 1010 S 336TH ST STE 108 FEDERAL WAY, WA 98003
- Mailing Phone
- (253) 350-4465
- Is Sole Proprietor?
- No
- Enumeration Date
- 05-07-2020
- Last Update Date
- 02-25-2026
- 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
Behavior Analyst
- Taxonomy Code
- 103K00000X
- Type
- Behavioral Health & Social Service Providers
- License State
- WA
- Taxonomy Description
- A behavior analyst is qualified by at least a master's degree and Behavior Analyst Certification Board certification and/or a state-issued credential (such as a license) to practice behavior analysis independently. Behavior analysts provide the required supervision to assistant behavior analysts and behavior technicians. A behavior analyst delivers services consistent with the dimensions of applied behavior analysis. Common services may include, but are not limited to, conducting behavioral assessments, analyzing data, writing and revising behavior-analytic treatment plans, training others to implement components of treatment plans, and overseeing implementation of treatment plans.
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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 1013539519, 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.
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 51 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 3 providers are registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1013539519, enumerated as an "individual" on May 07, 2020.
The provider is located at 1010 S 336TH ST STE 108 FEDERAL WAY, WA 98003 and the phone number is (253) 350-4465.
Behavior Analyst with taxonomy code 103K00000X.
