Last edited 12/11/2023

Katherine Maas PMHNP-BC

VerifiedOffers Online TherapyIn-person Meetings
Acepting new clientsAccepts Insurance
Headshot of Katherine Maas PMHNP-BC

General Office Hours

In Eastern Time

Mondayfrom 08:00 AM to 08:00 PM
Tuesdayfrom 08:00 AM to 08:00 PM
Wednesdayfrom 08:00 AM to 08:00 PM
Thursdayfrom 08:00 AM to 08:00 PM
Fridayfrom 08:00 AM to 08:00 PM

What was your path to becoming a therapist? What inspired you to choose this profession?

Katherine Maas, DNP, APRN, PMHNP-BC received her Bachelor of Science in Nursing at Georgetown in 2014. She completed her Doctor of Nursing Practice from George Mason University in 2020. Katherine's past nursing experience includes critical care, cardiology, community health, and inpatient and outpatient psychiatry. She treats psychiatric patients across the lifespan. Katherine employs a variety of approaches and methodologies while working collaboratively with her patient to design appropriate and effective treatment plans. Katherine has worked extensively with the pediatric autism community and has helped Anne Arundel County Schools and several AACO advocacy groups to develop community-based programs for special needs families. She has received numerous awards and received recognition for patient care, scholarship, and clinical advancement.


Medication Management

General Expertise

Child mental health

Fertility Issues


Life transitions

Women's issues

Medication Management

In-Network Insurance



Cigna EAP

Evernorth Health Services

Johns Hopkins Healthcare


Adults (25-65)

Children (5-12)

Adolescents (13-17)


  • Maryland, PMHNP-BC, R237827


Georgetown University

George Mason University

Online Therapy

Office at 1511 Ritchie Highway, Arnold, MD

Frequently Asked Questions About Katherine Maas, PMHNP-BC

It’s not uncommon to have questions before starting therapy. Katherine Maas, PMHNP-BC, has answered a few of the questions they receive most often from new clients.

Is Katherine Maas accepting new clients?

Yes, Katherine Maas is accepting new clients for online therapy in Maryland and in-person appointments at 1511 Ritchie Highway, Suite 202, Arnold, MD, 21012.

Does Katherine Maas accept insurance?

Yes, Katherine Maas accepts insurance, including Aetna, CareFirst, Cigna EAP, Evernorth Health Services and Johns Hopkins Healthcare.

Does Katherine Maas offer in-person appointments?

Yes, Katherine Maas offers in-person appointments at 1511 Ritchie Highway, Suite 202, Arnold, MD, 21012.

Does Katherine Maas offer online therapy?

Yes, Katherine Maas offers online therapy via video sessions to people in Maryland.

How quickly can I see Katherine Maas?

Katherine Maas typically can speak with new clients within 48 hours. You can see their current general office hours and request an appointment on their profile page.

What languages does Katherine Maas speak?

Katherine Maas conducts therapy sessions in English.

Can I book an appointment with Katherine Maas online?

Yes, you can easily book an appointment with Katherine Maas online using Choosing Therapy’s directory.