Dr. Howard Cohen, MD
Psychiatrist
12800 Preston Rd
Dallas, TX 75230
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Availability last updated 04/21/2026
Dr. Howard Cohen, MD
Psychiatrist
12800 Preston Rd
Dallas, TX 75230
Welcome to SanCharles Behavioral Healthcare Services, LLC, based in Addison, Texas, where we provide outstanding telehealth-only behavioral health services. Our psychiatric mental health nurse practitioner, Sandra Nwanganga-Anusiem, DNP, PMHNP-BC, provides compassionate, nonjudgmental care for patients of all ages, including those in the LGBTQ+ community.
Sandra uses research-backed approaches to ease symptoms of mental health challenges, offering her patients opportunities to feel their best and thrive during every stage of life.
SanCharles Behavioral Healthcare Services LLC treats attention-deficit/hyperactivity disorder (ADHD), bipolar disorder, depression, and anxiety disorders. We also care for patients with obsessive-compulsive disorder (OCD), post-traumatic stress disorder (PTSD), grief, personality disorders, including borderline personality disorder, and many other conditions.
Sandra offers counseling, medication management, lifestyle coaching, and a combination of treatments that restore mental health, well-being, and quality of life. She tailors treatment plans to patients' individualized needs, allowing them to rediscover joy and flourish.
Schedule a virtual mental health evaluation at SanCharles Behavioral Healthcare Services LLC by calling the office or booking an appointment online today.
Dr. Sandra Nwanganga-Anusiem, PMHNP-BC
Nurse Practitioner
15080 E Beltwood Pkwy
Suite 108
Addison, TX 75001
Dr. Howard Cohen, MD
Psychiatrist
10400 N Central Espressway
Dallas, TX 75231
Ingrid Suazo, APRN
Psychiatrist
5050 Quorum Dr
Ste 700
Dallas, TX 75254
Dr. Howard Cohen, MD
Psychiatrist
8111 Meadow Road
Dallas, TX 75231
Codie Vassar, MD
Psychiatrist
3202 Delaford Drive
Carrollton, TX 75007
Dr. Howard Cohen, MD
Psychiatrist
7777 Forest Lane
Dallas, TX 75230
Reshmi Dutta, PMHNP
Psychiatrist
16910 Dallas Pkwy
Suite 208
Dallas, TX 75248
Dr. Howard Cohen, MD
Psychiatrist
9440 Poppy Dr
Dallas, TX 75218
Linda Lefler, MD
Psychiatrist
811 S Central Expy
Ste 518
Richardson, TX 75080
Maria Doutherd is a board-certified Psychiatric Mental Health Nurse Practitioner with over 15 years of nursing experience. She earned her Master of Science in Nursing as a PMHNP from Walden University and brings a strong medical background to her psychiatric practice.
Maria provides comprehensive psychiatric evaluations and medication management for children, adolescents, and adults. She treats anxiety disorders, major depressive disorder, ADHD, bipolar disorder, schizophrenia, and autism spectrum disorders, and takes a thoughtful, evidence-based approach to diagnosis and treatment.
She is known for her compassionate, patient-centered style and believes in collaborative care and shared decision-making. Maria prioritizes education, open communication, and individualized treatment plans that align with each patient’s goals, values, and overall well-being.
Maria Doutherd, APRN
Nurse Practitioner
811 South Central Expressway
Suite 536
Richardson, TX 75080
Dr. Mayur Patel, MD
Psychiatrist
2071 N Collins Blvd Ste 100
Richardson, TX 75080
Codie Vassar, MD
Psychiatrist
1675 Republic Parkway
St 190
Mesquite, TX 75150