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Treesa Williamson, PMHNP

Experienced mental health professional

Provides online counseling through Brightside Health

At a glance

Treesa is an experienced, licensed Mental Health Professional who specializes in affordable online therapy offered through our partner, Brightside Health.

5.0 stars
Clients are very satisfied with Treesa. View 18 reviews
Great news, Treesa is accepting new clients!
She is normally fully-booked.
Speaks English
Offers Telehealth visits
Licensed in Pennsylvania, Florida, and 1 more

Recent reviews

Treesa is very kind, caring, and patient! She helped me through one of the roughest times I've experienced, and I would not have gotten the medication/therapeutic help I needed, had it not been for her.

Reviewed August 2025

It's just our second visit but I feel she understands me and is helping me want to do better and checking if I am feeling better in every aspect of life!!! I appreciate the conversation

Reviewed July 2025

More about Treesa

  • 1 - 2 years' experience
  • Female
  • PMHNP

Treesa Williamson is a Dual Certified Nurse Practitioner specializing in mental health and adult/geriatric medicine. She provides comprehensive care for individuals managing depression, anxiety, ADHD, insomnia, bipolar disorder, and other mood-related conditions.

With advanced training from Walden University in Adult/Gerontology Primary Care and a Post-Master’s certification in Psychiatric Mental Health from Wilkes University, Treesa brings a well-rounded approach to mental health treatment. She has experience working with patients from diverse backgrounds and is known for her strong clinical skills and ability to build meaningful, supportive relationships with clients.

In addition to medication management, Treesa incorporates Cognitive Behavioral Therapy (CBT), mindfulness techniques, Motivational Interviewing, emotionally focused therapy, and culturally responsive care into her practice. She also offers faith-based approaches for those who seek spiritual integration in their healing journey.

Treesa is dedicated to fostering a compassionate, client-centered environment where individuals feel heard and empowered in their mental health journey."

Brightside Health is a fully online mental health practice providing life-changing care for anxiety, depression, and related conditions through personalized Psychiatry and Therapy services available to all 50 states. Named the "best online psychiatry service" for 4 years in a row by such publications as Forbes, Healthline, Yahoo, VeryWellMind and Everyday Health among others.

Specialties

Anxiety Depression Psychiatry Consultation Panic Attack Burnout Post-Traumatic Stress Disorder (PTSD) Insomnia Mental Health Problem Crisis Intervention Suicide Prevention ADD/ADHD Substance Use Disorder Addiction Alcoholism Premenstrual Dysphoric Disorder (PMDD) Seasonal Affective Disorder (SAD) Postpartum Depression Bipolar Disorder/Manic Depression Trauma Phobias

Insurance Accepted

  • Aetna
  • Allegiance
  • Ambetter
  • Cigna
  • Florida Blue
  • Highmark Blue Cross Blue Shield
  • Independence Blue Cross
  • Medicare
  • Meritain
  • Optum
  • UnitedHealthcare
  • Wellcare

Treatment Approaches

  • Prescription Medication
  • Cognitive Behavioral (CBT)
  • Clinical Supervision and Licensed Supervisors
  • Compassion Focused
  • Culturally Sensitive
  • Emotionally Focused
  • Interpersonal
  • Intervention
  • Mindfulness-Based (MBCT)
  • Motivational Interviewing
  • Person-Centered
  • Strength-Based
  • Trauma Focused

Licenses

Treesa Williamson's National Provider Identifier (NPI) is 1598159824.

  • PMHNP · Pennsylvania
  • PMHNP · Florida
  • PMHNP · Connecticut

About online healthcare

Affordable.
Get high-quality care for a low flat fee without the high cost.
Convenient.
Get the care you need, when and where it works for you.
Available now.
No waiting lists. No phone calls. Just complete a short online assessment and get treatment in as little as 48 hours.

Brightside makes it easy to get professional help through secure video sessions, messaging, and personalized care plans. It’s ideal for people who want effective treatment without the hassle of commuting or scheduling delays. Starting at $95 per month, Brightside is typically far more affordable than traditional in-person care. Clinical studies show that Brightside’s evidence-based approach delivers real results: Most members see significant improvement within 12 weeks, many achieving full remission.

Reviews for Treesa Williamson

All reviews have been submitted by clients after seeing the provider.

Overall rating:

5.0

18 reviews

5
4
3
2
1

Clients mention: Caring Great Helped Listens Wonderful Amazing Attentive Easy Grateful Helping

Treesa is very kind, caring, and patient! She helped me through one of the roughest times I've experienced, and I would not have gotten the medication/therapeutic help I needed, had it not been for her.

Reviewed August 2025

It's just our second visit but I feel she understands me and is helping me want to do better and checking if I am feeling better in every aspect of life!!! I appreciate the conversation

Reviewed July 2025

N/A - she is very thoughtful and listens to her patients! Highly recommend her!!

Reviewed August 2025

Ms Williamson is the only prescriber I have trusted and stuck with in 10 years. She is so caring, supportive, and does not make me feel judged.

Reviewed September 2025

I Love how she really listens and honestly hears me.

Reviewed June 2025

She's doing a wonderful job she is very awesome

Reviewed August 2025

I waited for 25 minutes but the doctor didn’t show up. What should I do now?

Reviewed August 2025

She is amazing, no improvements needed!

Reviewed July 2025

She helped me so much and I look forward to seeing her again.

Reviewed August 2025

I love the energy and vibes that she brings to the appointments. Is always is very understanding, welcoming individual.

Reviewed July 2025

Treesa has been absolutely wonderful, and I wouldn't change a thing.

Reviewed July 2025

She's awesome just the way she is❤️

Reviewed September 2025

We will just keep in touch

Reviewed August 2025

It's very professional but personal. She makes sure you have the whole package. Therapy, medication, and comfortability. Easy to talk to

Reviewed August 2025

Very positive experience so far. Knowledgeable and I am grateful she was able to get my medication right very quickly

Reviewed October 2025

Awesome! Just keep being Awesome!

Reviewed June 2025

everything was great! She listened to everything I had to say and she seemed to really care!!

Reviewed May 2025

She is very attentive and thorough throughout our sessions. She also has great information about resources.

Reviewed August 2025

How was your experience with Treesa?

Frequently asked questions

Does Treesa Williamson offer telehealth visits?

Yes. Treesa Williamson works with clients by exchanging messages, chatting live, speaking over the phone, or video conferencing based on what works for the client at that particular time.

What language(s) does Treesa Williamson speak?

Treesa Williamson speaks English.

How many years of experience does Treesa Williamson have?

Treesa Williamson has 1 - 2 years of experience.

Where is Treesa Williamson licensed to practice?

Treesa Williamson is licensed to practice in Pennsylvania, Florida, and Connecticut.

Does Treesa Williamson accept insurance?

Yes, Treesa Williamson accepts Aetna, Allegiance, Ambetter, Cigna, Florida Blue, Highmark Blue Cross Blue Shield, Independence Blue Cross, Medicare, Meritain, Optum, UnitedHealthcare, and Wellcare.

Does Treesa Williamson accept clients outside of the United States?

No, Treesa Williamson does not accept clients outside of the United States.

Is online therapy as effective as in-person therapy?

Numerous studies support the effectiveness of online platforms in facilitating life changes. For instance, research published by JMIR Publications, conducted by teams from the University of Berkeley, UCSF, and SF General Hospital, found that "users of [a major teletherapy service] experienced significantly reduced depression symptom severity after engaging with the platform."

What treatment approaches does Treesa Williamson offer?

Treesa Williamson offers clients Cognitive Behavioral Therapy (CBT), Acceptance and Commitment Therapy (ACT), Emotionally-Focused Therapy (EFT), Psychodynamic Therapy, Mindfulness Therapy, Motivational Interviewing, Client-Centered Therapy, Solution-Focused Therapy, and Trauma-Focused Therapy.

How can I communicate with Treesa Williamson?

Treesa Williamson can be engaged in any one of four ways: (1) Exchanging messages, (2) chatting live, (3) speaking over the phone, or (4) video conferencing. You can use different ways at different times as you wish, based on your needs, availability, and convenience.

How do I get started with Treesa Williamson?

Just tap the CHAT NOW button or tap here: A new window will open and you'll be directed to a simple form that will help start the conversation. Please note: It can take up to a few days to be matched to a therapist.

Mental health conditions are real, common, and treatable.

And recovery is possible.

Messaging
Live Chat
Phone
Video

When you tap CHAT NOW a new window will open and you'll be directed to a simple form that will help start the conversation. Please note: It can take up to a few days to be matched to a therapist.