Dr. William K. Marek
- Gender: Male
- Experience: 32 years
- Graduation year: 1989
- Sole propriator: Yes
- NPI: 1851560544
Dr. William K. Marek PH.D.
Clinical Psychologist
He is located at 105 Reflections Drive Apt. 18 in San Ramon, CA 94583. Can help patients with the following: Career Counseling, Posttraumatic Stress Disorder (PTSD), Self-Harming, Separation Anxiety Disorder, Sleep Disorders, Trauma. His National Provider Identifier (NPI) number is 1851560544. Appointment can be made via the phone number (925) 275-0294.
Conditions treated
Dr. William Keith Marek, being an clinical psychologist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. William K. Marek.
- Amnesia
- Anger Management
- Anxiety
- Attention-Deficit/Hyperactivity Disorder (ADHD)
- Autism
- Bipolar Disorder
- Career Counseling
- Childhood Behavioral and Emotional Disorders
- Compassion Fatigue
- Depression
- Dyslexia
- EMDR
- Eating Disorder
- Emotional Eating
- Family Conflict
- Gender Identity
- Grief
- Guilt and Shame
- Infertility
- Infidelity
- Isolation
- Life Coaching
- Life Transitions
- Loss, Grief, and Bereavement
- Mental Illness
- Obesity
- Obsessive Compulsive Disorder (OCD)
- Online Therapy
- Parenting
- Posttraumatic Stress Disorder (PTSD)
- Receptive Language Disorders
- Relationship Issues
- School Issues
- Seasonal Affective Disorder (SAD)
- Self-Esteem
- Self-Harming
- Separation Anxiety Disorder
- Sleep Disorders
- Spirituality and Religion
- Stress
- Trauma
Procedures Performed by Dr. William K. Marek
Insurances Accepted by Dr. William K. Marek
- Medicare
Medicare Enrollment
Dr. William K. Marek is enrolled to bill Medicare as a Practitioner - Clinical Psychologist .
Medicare practice location(s) (city/state/zip only, as reported to Medicare):
- MILL VALLEY, CA, 94941-4431
Bills through: Sud Specialty Group - Ca
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and is not a comment on insurance accepted, quality, outcomes, or board certification.
Studies
Graduated in 1989Additional Specialities
- Psychologist
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Questions & Answers
Where can you meet with Dr. William Keith Marek?
Dr. William Keith Marek's office is located at 105 Reflections Drive Apt. 18 in San Ramon, CA 94583.
Does Dr. William Keith Marek accept patients with Medicare?
Yes, Dr. William Keith Marek accepts patients with Medicare.
What conditions does Dr. William Keith Marek treat?
Dr. William Keith Marek provides treatment for Career Counseling, Posttraumatic Stress Disorder (PTSD), Self-Harming, Separation Anxiety Disorder, Sleep Disorders, Trauma. For the full list see this list.