The Practice, Named

The People You Will Actually See.

Two clinicians treat patients at Stillwater Psychiatric. Two more run the practice that lets the clinicians work the way they should.

Scrabble tiles spelling MINDFULNESS on a weathered wood surface, the practice's clinical philosophy rendered as a quiet header motif rather than a smiling-staff cliche
Portrait of Dr. Margaret Calloway, founding board-certified psychiatrist
Founder & Medical Director

Dr. Margaret Calloway, MD

Board-Certified Psychiatrist · UT Southwestern Residency

Twenty-two years of practice including emergency psychiatric leadership and medical-directorship roles across the Dallas–Fort Worth metroplex. Faculty teaching award from UT Southwestern Medical Center. Reviews every TMS and Spravato candidate personally before treatment begins.

Sees patients at both locations.

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Portrait of Sarah Caldwell, Psychiatric Mental Health Nurse Practitioner
Psychiatric Mental Health NP

Sarah Caldwell, PMHNP-BC

Board-Certified PMHNP · RN, BSN

Master's degree from Vanderbilt School of Nursing and a BSN from Texas Woman's University. Prior years in maternal and infant care at a Dallas-area hospital before transitioning into psychiatric practice. Leads the perinatal and postpartum mental health practice.

Sees patients at both locations.

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Portrait of Margaret Doyle, Practice Manager
Practice Manager

Margaret Doyle

Operations · Intake · Patient Experience

Nineteen years in the psychiatric and behavioral health fields across inpatient and outpatient settings. Manages operations, intake, and the patient-facing administrative team.

Not a clinical provider.

Portrait of Vanessa Whitcomb, Director of Outreach
Director of Outreach

Vanessa Whitcomb

Patient Experience · Referral Relationships

Bachelor's in Social Work, prior work in community mental health programs, and prior healthcare-marketing experience. Manages outreach, referral relationships, and external communications.

Not a clinical provider.

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