MARJORIE ESTELLE TRIBBLE RBT
NPI 1477191013
Behavior Analyst in Greenbelt, MD
NPI Status: Active since December 13, 2019
Contact Information
7500 GREENWAY CENTER DR
GREENBELT, MD
ZIP 20770
Phone: (301) 585-9595
- Individual
- Female
- Behavior Analyst
About MARJORIE TRIBBLE
This page provides the complete NPI Profile along with additional information for Marjorie Tribble, a provider established in Greenbelt, Maryland with a medical specialization in Behavior Analyst. The healthcare provider is registered in the NPI registry with number 1477191013 assigned on December 2019. The practitioner's primary taxonomy code is 103K00000X with license number 106S00000X (MD). The provider is registered as an individual and her NPI record was last updated February 2026.
- NPI
- 1477191013
- Provider Name
- MARJORIE ESTELLE TRIBBLE RBT
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 7500 GREENWAY CENTER DR GREENBELT, MD 20770
- Location Phone
- (301) 585-9595
- Mailing Address
- 8701 GEORGIA AVE SUITE 411 SILVER SPRING, MD 20910
- Is Sole Proprietor?
- No
- Enumeration Date
- 12-13-2019
- Last Update Date
- 02-12-2026
- 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 No.
- 106S00000X
- License State
- MD
- 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 1477191013, we treat the final digit (3) 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).
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 57 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
GREENBELT, MD 20770
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477191013, enumerated as an "individual" on December 13, 2019.
The provider is located at 7500 GREENWAY CENTER DR GREENBELT, MD 20770 and the phone number is (301) 585-9595.
Behavior Analyst with taxonomy code 103K00000X.
