Allyson Marnell, BCBA

Behavior Analyst · Wilmington, DE

Individual Active NPI

NPI number 1699250712

Practice location

1000 N. West Street
Suite 1200
Wilmington, DE 19801-1058
Phone
(855) 832-6727
Fax
(772) 675-9100

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NPI record

NPI
1699250712
Entity type
Individual (Type 1)
Enumeration date
September 25, 2018
Last updated
November 20, 2025
Certified
November 20, 2025
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
Behavior Analyst Primary 103K00000X 1-22-58600 DE
Behavior Technician 106S00000X RBT-18-49314 DE
Mental Health Counselor 101YM0800X — —

About Allyson Marnell

Allyson Marnell, BCBA is a healthcare provider registered in the NPI registry with the primary taxonomy Behavior Analyst (code 103K00000X). The practice location is 1000 N. West Street, Suite 1200, Wilmington, DE 19801-1058. The NPI number 1699250712 was assigned on September 25, 2018 and the record was last updated on November 20, 2025.

Allyson Marnell lists 2 licenses in the registry: #1-22-58600 (DE) for Behavior Analyst; #RBT-18-49314 (DE) for Behavior Technician. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Allyson Marnell, BCBA?

The NPI number is 1699250712.

What is the phone number of Allyson Marnell?

The phone number listed for the practice location is (855) 832-6727.

Where is Allyson Marnell located?

1000 N. West Street, Suite 1200, Wilmington, DE 19801-1058.

What is the taxonomy code for Allyson Marnell?

The primary taxonomy code is 103K00000X – Behavior Analyst; 2 more listed above.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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