Individual psychotherapy
Build insight, strengthen coping, and work through anxiety, mood concerns, stressful transitions, and the other things that get in the way.
A personalized path toward lasting change
Dr. Della S. Lusk brings more than a quarter-century of professional experience to her work as a licensed psychologist and clinical director. Her practice is built for people who want care that is both compassionate and purposeful; care that makes room for the whole story while building practical steps forward.
She works with children, adolescents, adults, couples, and families. Sessions may focus on an immediate concern, a long-standing pattern, a difficulty in a relationship, a transition, or a personal goal that has been waiting.
Dr. Lusk sees clients in English and Spanish, intake and evaluation feedback included, so that the work can be done in the language you think in.
Clinical depth with an individual style
Dr. Lusk works primarily from a Cognitive Behavioral Therapy (CBT) perspective, an evidence-based and scientifically validated approach, and adapts it to each person in front of her. Therapy here is not a formula; sessions are shaped around your concerns, strengths, relationships, responsibilities, and your own definition of progress.
Couples and family counseling
Make room for clearer communication, healthier patterns, and more constructive ways to handle conflict and change.
Psychological evaluations
Comprehensive evaluations for forensic, educational, executive functioning, employment, neuropsychological, and specialized diagnostic purposes.
State licensure
Dr. Lusk has been licensed to practice psychology in Arizona since 1997, and holds her own license in three jurisdictions. Each of these boards publishes its licensee records, so you can confirm any of it yourself rather than taking our word for it.
| Jurisdiction | License no. | Issuing board |
|---|---|---|
| Arizona | PSY-003232 | Arizona Board of Psychologist Examiners |
| Delaware | B1-0011415 | Delaware Board of Examiners of Psychologists |
| Hawaii | PSY-2093 | Hawaii Board of Psychology |
Her National Provider Identifier is 1295925386, listed in the federal NPPES registry. That record also carries her provider taxonomies:
- Psychologist, Clinical (103TC0700X)
- Clinical Neuropsychologist (103G00000X)
- Psychologist, Forensic (103TF0200X)
Authority to practice across state lines
Care outside those three jurisdictions rests on the credentials below rather than on a separate license in every state. All three carry the same number.
| Credential | No. | Issued by |
|---|---|---|
| Authority to Practice Interjurisdictional Telepsychology (APIT) | 5130 | PSYPACT Commission |
| Temporary Authorization to Practice (TAP) | 5130 | PSYPACT Commission |
| ASPPB Interjurisdictional Practice Certificate (E.Passport) | 5130 | Association of State and Provincial Psychology Boards (ASPPB) |
The PSYPACT® Commission publishes the list of participating jurisdictions, and that list changes as states join; the board directory names the psychology regulator for each one. Authorization depends on the state you are physically in at the time of each appointment, which is why the office asks before you travel or move.
Experience when the situation is complex
Arizona has qualified Dr. Lusk as an expert witness, and her work includes psychological assessment alongside psychotherapy. She also completes neuropsychological evaluations, and has experience with Traumatic Brain Injury through her work with the Coastline Community College TBI program, as well as the Veterans Administration. Evaluations are approached with attention to the purpose of the assessment and to what the individual, family, school, organization, or court actually needs from it.
Education and training
Dr. Lusk completed a dual major in Spanish Literature and Psychology at Smith College, then doctoral training in clinical psychology at the California School of Professional Psychology–San Diego, an APA-accredited program.
Her own liberal arts background carries into her work. The practice has specific experience with students, faculty and staff of liberal arts colleges, among them Smith College, Pomona College, and Sarah Lawrence College, and with Yale-NUS College alumni now living in the United States. Where any of them sits in a participating jurisdiction, the usual telepsychology rules apply.
Full biographies for every clinician are on our providers page. You are welcome to ask her directly about her qualifications and experience.
Care that can travel with you
Arizona care is hybrid: in person at the Flagstaff office, virtual, or a combination of the two, whichever suits the work. Everywhere else, including Delaware and Hawaii, appointments are by secure video.
That reach matters most to the people who move: students, professionals who travel, military families, and anyone who would otherwise have to start over with a new clinician because of a change of address. Telepsychology availability still depends on where you are located and what authorization applies at the time of the appointment.
Concerns We Help With
Whether you meet us by secure video or in person at our Flagstaff office, these are the concerns we most often help with.
Anxiety
Worry that never quite switches off, treated with practical CBT so your days feel steadier.
Depression
Low mood that drains interest and energy, met with patient, structured care that rebuilds one step at a time.
Trauma
Careful, paced work for difficult experiences, with you in control of what you share and when.
ADHD assessment and coaching
Clear testing when you need answers, and practical coaching for the schedules and habits that follow.
Young adults
Support through the first years on your own: school, work, independence, and the relationships that come with them.
Burnout and stress
For professionals running on empty: therapy for the exhaustion, and coaching for the work habits underneath it.
Questions people often ask
What can I discuss in an initial appointment?
Whatever brought you here, what you hope will change, the history that bears on it, and whether Dr. Lusk’s approach fits what you need. Nothing is decided in that hour that you do not decide.
How do I confirm she is licensed where I live?
Her license numbers and the issuing boards are listed above, and each board publishes a licensee lookup. For telepsychology states, the PSYPACT® Commission publishes the list of participating jurisdictions.
Does Dr. Lusk work with families and couples?
Yes. Alongside individual psychotherapy she provides couples and family counseling, shaped around the relationships and concerns involved.
Can she provide services in Spanish?
Yes. Dr. Lusk is bilingual and works in English and Spanish, including intake and evaluation feedback.
Are evaluations available as well as therapy?
Yes. Her practice includes comprehensive psychological evaluations for clinical, educational, employment, forensic, neuropsychological, and specialized purposes.
