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Lindsay Diemer, DO

Experienced mental health professional

Provides online counseling through Brightside Health

At a glance

Lindsay 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 Lindsay. View 16 reviews
Great news, Lindsay is accepting new clients!
She is normally fully-booked.
Speaks English
Offers Telehealth visits
Licensed in Indiana, Michigan, and 5 more

Recent reviews

I don’t think there’s anything that she could do better. She’s been very helpful and kind to me.

Reviewed July 2025

I love Dr. Diemer, she's very kind and knowledgeable. She has really helped find an effective treatment plan for me. She never makes me feel as though I am wrong or being judged.

Reviewed April 2025

More about Lindsay

  • Less than 1 year's experience
  • Female
  • DO

She does amazing! Very caring, helpful, and empathetic. Even if it's about a different issue than normal" -Krista H. from IN

Dr. Lindsay Diemer is a dedicated and compassionate psychiatrist. Specializing in child and adolescent psychiatry, Dr. Diemer is committed to providing personalized and evidence-based care to all patients. Dr. Diemer completed her medical degree at A.T. Still University, Kirksville College of Osteopathic Medicine and their residency in psychiatry at the Detroit Wayne County Health Authority in Detroit, MI. Dr Diemer completed additional fellowship training in Child and Adolescent Psychiatry at Indiana University, Riley Hospital for Children. She is dual board certified in General and Child and Adolescent Psychiatry. Throughout her career, Dr. Diemer has been known for her empathetic approach and ability to build strong therapeutic relationships with patients and their families. In addition to clinical practice, Dr. Diemer is actively involved in mentoring and teaching medical students and residents. Outside of their professional life, Dr. Diemer enjoys reading, watching sports, spending time with family and volunteering at her local animal shelter, which

helps her maintain a well-rounded perspective on life and work.

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

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

Lindsay Diemer's National Provider Identifier (NPI) is 1023457124.

  • DO · Indiana
  • DO · Michigan
  • DO · Ohio
  • DO · Florida
  • DO · New Jersey
  • DO · Texas
  • DO · Louisiana

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 Lindsay Diemer

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

Overall rating:

5.0

16 reviews

5
4
3
2
1

Clients mention: Listens Helped Helpful Comfortable Empathetic Great Understanding Wonderful Amazing Calm

I don’t think there’s anything that she could do better. She’s been very helpful and kind to me.

Reviewed July 2025

I love Dr. Diemer, she's very kind and knowledgeable. She has really helped find an effective treatment plan for me. She never makes me feel as though I am wrong or being judged.

Reviewed April 2025

She does amazing! Very caring, helpful, and empathetic. Even if it's about a different issue than normal

Reviewed February 2025

She is very thorough and checks off all my concerns.

Reviewed January 2025

Don't change a thing! She is wonderful

Reviewed June 2025

Lindsay does a great job!

Reviewed March 2025

Dr. Diemer has been fabulous so far. She is thorough and comprehensive in her assessments, and compassionate to me as the patient as far as treatments. I completed the appointment with all of my concerns addressed and a full understanding of my treatment plan.

Reviewed February 2025

Dr Diemer is truly great to work with. She genuinely listens and offers help in any way possible. Highly recommend her!

Reviewed October 2025

I love Lindsay, she is kind, listens, and really cares about her clients.

Reviewed October 2025

Lindsay is super helpful and I really appreciate her working with me.

Reviewed June 2025

She's helped me so much! I feel comfortable speaking with her and she's never judgmental and always understanding. She cares and always is able to remember important parts of my life. She's a phenomenal doctor!

Reviewed December 2024

She was very nice and helped me to stay calm.

Reviewed August 2025

She is much more thorough than any other doctor I’ve been to. She really takes the with her patients.

Reviewed December 2024

Such a kind and supportive lady!

Reviewed January 2025

She’s wonderful she listens to all my concerns and is very informative if I have any questions!

Reviewed May 2025

I love Lindsay Diemer! She is so friendly, empathetic, and she makes you feel very comfortable. You can tell she listens, and adequately addresses your concerns.

Reviewed December 2024

How was your experience with Lindsay?

Frequently asked questions

Does Lindsay Diemer offer telehealth visits?

Yes. Lindsay Diemer 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 Lindsay Diemer speak?

Lindsay Diemer speaks English.

How many years of experience does Lindsay Diemer have?

Lindsay Diemer has less than 1 year of experience.

Where is Lindsay Diemer licensed to practice?

Lindsay Diemer is licensed to practice in Indiana, Michigan, Ohio, Florida, New Jersey, Texas, and Louisiana.

Does Lindsay Diemer accept clients outside of the United States?

No, Lindsay Diemer 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 Lindsay Diemer offer?

Lindsay Diemer 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 Lindsay Diemer?

Lindsay Diemer 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 Lindsay Diemer?

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.