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

Nicola Clarke Wallen LLC

Organization Mental Health Clinic/Center (Including Community Mental Health Center) · NPI 1609490788

Nicola Clarke Wallen LLC is a Mental Health Clinic/Center (Including Community Mental Health Center) in Waldorf, Maryland. Registered with an NPI since 2020.

In the registry since
2020
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

3261 Old Washington Rd Ste 2020
Waldorf, MD 20602-3231
Phone: (301) 960-8930
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

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

Record details

NPI number1609490788
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Nicola Clarke Wallen — Psychiatric Mental Health Np/Owner · (301) 960-8930
Other names Atlas Behavioral Health Services; Atlas Behavioral Health Services
NPI enumeratedJune 3, 2020
Last updated in NPPESAugust 27, 2020
Certification dateAugust 27, 2020
Mailing address3261 Old Washington Rd Ste 2020, Waldorf, MD 20602-3231

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