JOANNA R FLETCHER M.S., BCBA
NPI 1194321612
Behavior Analyst in Ontario, CA

NPI Status: Active since December 09, 2020

Contact Information

4688 ONTARIO MILLS PKWY
ONTARIO, CA
ZIP 91764
Phone: (714) 834-1111

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

Individual
Female
Behavior Analyst

About JOANNA FLETCHER

This page provides the complete NPI Profile along with additional information for Joanna Fletcher, a provider established in Ontario, California with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1194321612 assigned on December 2020. The practitioner's primary taxonomy code is 103K00000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI: 1194321612
Provider Name: JOANNA R FLETCHER M.S., BCBA
Gender: Female
Entity Type: Individual
Location Address: 4688 ONTARIO MILLS PKWY ONTARIO, CA 91764
Location Phone: (714) 834-1111
Mailing Address: 4688 ONTARIO MILLS PKWY ONTARIO, CA 91764
Mailing Phone: (714) 834-1111
Is Sole Proprietor?: No
Enumeration Date: 12-09-2020
Last Update Date: 05-15-2025
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Location Map

Secondary Locations

121 S Chester Ave Apt 11
Pasadena, CA 91106
(971) 226-1089

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
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.

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 1194321612, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).

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 → 18 → 1 + 8

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 2

Pos 8

Unchanged

Pos 9

Doubled → 2

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 9 → 18 → 9 3 → 6 1 → 2 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 8 + 4 + 6 + 2 + 2 + 6 + 2 + 24 = 58

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

The next multiple of ten after 58 is 60. The difference is the calculated check digit.

60 - 58 = 2

This NPI is valid

The calculated check digit is 2, which matches the last digit of 1194321612.