MARISSA L. WILLIAMSON BCBA
NPI 1942512496
Behavior Analyst in Thousand Oaks, CA

NPI Status: Active since July 12, 2010

Contact Information

100 E THOUSAND OAKS BLVD
#228
THOUSAND OAKS, CA
ZIP 91360
Phone: (877) 262-9133
Fax: (877) 262-9134

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  • Individual
  • Female
  • Behavior Analyst

About MARISSA WILLIAMSON

This page provides the complete NPI Profile along with additional information for Marissa Williamson, a provider established in Thousand Oaks, California with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1942512496 assigned on July 2010. The practitioner's primary taxonomy code is 103K00000X with license number 1-09-6790 (). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1942512496
Provider Name
MARISSA L. WILLIAMSON BCBA
Gender
Female
Entity Type
Individual
Location Address
100 E THOUSAND OAKS BLVD #228 THOUSAND OAKS, CA 91360
Location Phone
(877) 262-9133
Location Fax
(877) 262-9134
Mailing Address
100 E THOUSAND OAKS BLVD #228 THOUSAND OAKS, CA 91360
Mailing Phone
(877) 262-9133
Mailing Fax
(877) 262-9134
Is Sole Proprietor?
Yes
Enumeration Date
07-12-2010
Last Update Date
07-12-2010
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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

Behavior Analyst

Taxonomy Code
103K00000X
Type
Behavioral Health & Social Service Providers
License No.
1-09-6790
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 1942512496, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Unchanged
Pos 3
4
Doubled → 8
Pos 4
2
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
1
Unchanged
Pos 7
2
Doubled → 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
6
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 4 → 8 5 → 10 → 1 2 → 4 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 8 + 2 + 1 + 0 + 1 + 4 + 4 + 1 + 8 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1942512496.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, STE 258
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 236
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, SUITE #258
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, #258
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD, 236
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, #228
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, #228
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 160
THOUSAND OAKS, CA 91360
Behavior Analyst
100 E THOUSAND OAKS BLVD, SUITE 228
THOUSAND OAKS, CA 91360
Social Worker (Clinical)
100 E THOUSAND OAKS BLVD, SUITE 236
THOUSAND OAKS, CA 91360
Psychologist (Clinical Child & Adolescent)
100 E THOUSAND OAKS BLVD, SUITE 217
THOUSAND OAKS, CA 91360
Chiropractor
100 E THOUSAND OAKS BLVD, SUITE 147
THOUSAND OAKS, CA 91360
Counselor (Mental Health)
100 E THOUSAND OAKS BLVD
THOUSAND OAKS, CA 91360
Psychologist (Clinical)
100 E THOUSAND OAKS BLVD, STE 140
THOUSAND OAKS, CA 91360
Clinic/Center (Adult Mental Health)
100 E THOUSAND OAKS BLVD, SUITE 140
THOUSAND OAKS, CA 91360
Marriage & Family Therapist
100 E THOUSAND OAKS BLVD
THOUSAND OAKS, CA 91360
Family Medicine
100 E THOUSAND OAKS BLVD, STE 176
THOUSAND OAKS, CA 91360

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1942512496, enumerated as an "individual" on July 12, 2010.

The provider is located at 100 E THOUSAND OAKS BLVD #228 THOUSAND OAKS, CA 91360 and the phone number is (877) 262-9133.

Behavior Analyst with taxonomy code 103K00000X.