About US

Dr. Henrietta Evans DNP, RN, PMHNP-BC, GNP-BC

Tranquility Behavioral Health Clinic & TMS Center is family owned and operated by Dr. Henrietta Evans DNP, RN, PMHNP-BC, GNP-BC who has over 27 years of nursing and patient care experience.  Dr. Evans DNP has cared for patients in a variety of settings when they needed expert and competent nursing care. 


She began her nursing career as a Licensed Practical Nurse in 1993.  Joined the U.S. Army in 1995 and served her country for 8 years providing nursing care to our veterans.  After serving her country, Dr. Evans DNP then went on to pursue an Associate Degree in Nursing at Pearl River Community College in Poplarville, MS from 2001 to 2003. In 2005, she completed her Bachelors of Science Degree in Nursing at the University of Phoenix.  Dr. Evans DNP went on to pursue a Master's of Science in Nursing from the University of South Alabama in 2009 as a Psychiatric Mental Health NP and completed a Post-Master's Certificate in Gerontology in May of 2010 as a Geriatric Nurse Practitioner.  In 2015, she completed her Doctor of Nursing Practice at the University of South Alabama.


She has dedicated her life to helping individuals and families achieve happiness and wellness across the life span.  She understands how hard it is to make a decision to seek out psychiatric mental health services.  She believes in helping people holistically.  People often experience challenging life experiences that may be hard to deal with.  Making the right decision to get help is an important one, which can also be a difficult one. There are times in life where ​situations or daily life responsibilities compromise one’s ability to manage things in ways we would like too.  She believes in helping clients’ cope and manage those life challenges and situations.  

Our Mission

Our mission is to meet the needs of the growing psychiatric and behavioral health community by providing access to comprehensive psychiatric mental health and wellness services.  Our staff is committed to providing the best psychiatric health care possible to Harris, Montgomery, and Liberty Counties and its surrounding communities.  


Our Board Certified providers and our trained office staff provide high quality care.  Treatment plans will be individualized, developed and implemented with the client’s approval.    We will provide accessible, comprehensive and high quality psychiatric mental health services. We emphasize compassion, respect, trust, and confidentiality to promote the well-being of individuals and families.

About Nurse Practitioners

What Is a Doctor of Nursing Practice (DNP)?

What is a Psychiatric Mental Health Nurse Practitioner? (PMHNP-BC)

What is a Gerontological Nurse Practitioner


Nurse Practitioners 

"Who we are?"



Tel. 832-879-2107

Fax. 877-495-4112

201 Kingwood Medical Dr. 

Ste. A-500

Kingwood, TX 77339



Monday - Thursday:

8:00 AM - 5:00 PM


8:00 AM - 4:30 PM

Saturday: Closed

Sunday:  Closed

(Hours may vary based on patient need)




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