Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gladwell LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1154101921

Gladwell LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Baltimore, Maryland. Registered with an NPI since 2023.

In the registry since
2023
Specialties on file
2
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1015 Debbie Ave
Baltimore, MD 21221-3339
Phone: (253) 509-4433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Mental Health Clinic/Center (Including Community Mental Health Center) (primary) Taxonomy 261QM0801X
Psychiatric/Mental Health Nurse Practitioner Taxonomy 363LP0808X

Record details

NPI number1154101921
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Catherine Donnerstag — President · (443) 600-8467
NPI enumeratedSeptember 29, 2023
Last updated in NPPESNovember 21, 2025
Certification dateNovember 21, 2025
Mailing address1015 Debbie Ave, Baltimore, MD 21221-3339

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