1. Home
  2. Directory
  3. Maryland
  4. Gaithersburg
  5. Behavior Analyst
  6. NPI Profile
Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

LEONARD DARREN ROSS JR.
NPI 1124530027
Behavior Analyst in Gaithersburg, MD

Active since October 31, 2017
9250 GAITHER RD, GAITHERSBURG, MD 20877(843) 789-9956 Get Directions Write a Review

NPPES record last updated: August 27, 2026. Verified against the NPPES registry weekly; last sync: September 13, 2026.

Record update history: Aug 27, 2026, Oct 31, 2017 (2 updates tracked since 2017).

About Leonard Darren Ross Jr. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

LEONARD DARREN ROSS JR. (NPI 1124530027) is an individual behavior analyst provider in Gaithersburg, Maryland, licensed in Maryland (LBA2752) and active in the NPI registry since October 2017.

NPPES Registry Identity

NPI1124530027
Entity TypeIndividualMale
Primary Taxonomy103K00000X
Provider Legal NameLEONARD DARREN ROSS JR.
Location Address9250 GAITHER RDGaithersburg, MD 20877-1420
Mailing Address9250 Gaither RdGaithersburg, MD 20877-1420 · (843) 789-9956
Phone(843) 789-9956
Sole ProprietorNo
Enumeration DateOctober 31, 2017
Last NPPES UpdateAugust 27, 20262 updates tracked since enumeration
NPPES CertifiedAugust 27, 2026
✔ NPI 1124530027 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyBehavior AnalystBehavioral Health & Social Service Providers
Taxonomy Code103K00000X
License✔ Licensed in MD · LBA2752
Definition
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.
9250 GAITHER RD, Gaithersburg, MD 20877
Open in Google Maps ↗

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LOUIS D RESTO JR.
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (484) 965-9966
VIRTI CHOKSI
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (888) 726-4774
CHARLES LEE STITT JR.
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (484) 965-9966
ABIGAIL STAMPFLY
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (484) 965-9966
MONIQUE HALL
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (888) 726-4774
SAABIRAH JONES
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (301) 337-8811
SHANEL SMTITH
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (301) 337-8811
VALINDA WYNN
Behavior Technician
9250 GAITHER RD
GAITHERSBURG, MD 20877
Montgomery County (888) 726-4774

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Leonard Ross's NPI number?

The NPI number for Leonard Ross is 1124530027. It was assigned to this individual provider in the NPPES registry on October 31, 2017.

Where is Leonard Ross located?

Leonard Ross practices at 9250 Gaither Rd, Gaithersburg, MD 20877. The listed phone number is (843) 789-9956.

What is Leonard Ross's specialty?

The primary specialty registered for this NPI is Behavior Analyst with taxonomy code 103K00000X.

When was this NPI record last updated?

The NPPES record for Leonard Ross was last updated on August 27, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.