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

Individual provider Psychiatric/Mental Health Nurse Practitioner · NPI 1659413615

Nicola Clarke Wallen, PMHNP is a Nurse Practitioner in Waldorf, Maryland. Qualified in 2014, 12 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
12
Licensed in
MD
In the registry since
2007
What do these letters mean?
PMHNP — Psychiatric-Mental Health Nurse Practitioner
A nurse practitioner specialising in mental health, able to prescribe psychiatric medication.

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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 · Licence R190596 (MD)

Record details

NPI number1659413615
Entity typeIndividual (Type 1)
GenderFemale
Credentials PMHNP
Sole proprietorYes
NPI enumeratedFebruary 13, 2007
Last updated in NPPESAugust 25, 2020
Certification dateAugust 25, 2020

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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