Psychiatrist

Dr. Douglas Mcwilliams, MD

7330 Grace Dr Ste B, Columbia, Maryland, 21044-3392

About Dr. Douglas Mcwilliams

Dr. Douglas Mcwilliams is a psychiatrist based in Columbia, Maryland who is specialized in Psychiatry. Active license number of Dr. Douglas Mcwilliams is D0102833 for Psychiatry in Maryland. His current practice location is 7330 Grace Dr Ste B, Columbia. Patients can contact him at 301-485-6797 or can fax him at 833-212-1523. Dr. Douglas Mcwilliams, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1851897318.

Dr. Douglas Mcwilliams specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Practice Information

Dr. Douglas Mcwilliams's specialty, credentials, practice address, contact phone number and fax are as below. Patients can call on the below given phone number for appointment.

Provider Name Dr. Douglas Mcwilliams
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 7330 Grace Dr Ste B,
Columbia, MD - 21044-3392
Fax 833-212-1523

Professional Identification Codes

NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to healthcare providers in the United States by the Centers for Medicare and Medicaid Services (CMS). NPI details are as mentioned below.

NPI Number1851897318
NPI Enumeration Date: 03 Apr, 2018
NPI Last Update On: 12 Jun, 2026

Medical Licenses:

Healthcare professionals can hold one or more medical licenses for different specialties in the same state or different states. Related medical licenses for Dr. Douglas Mcwilliams are as mentioned below.

License NumberSpecializationStateStatus
D0102833Psychiatry MarylandPrimary

Mailing Address

Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned Practice address.

Dr. Douglas Mcwilliams
7330 Grace Dr Ste B,
Columbia, MD - 21044-3392
Phone: 301-485-6797
Fax: 833-212-1523

Book an Appointment with Dr. Douglas Mcwilliams

To schedule an appointment, contact Dr. Douglas Mcwilliams at 7330 Grace Dr Ste B, Columbia, Maryland or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Douglas Mcwilliams:

Dr. Douglas Mcwilliams is a psychiatrist specializing in Psychiatry. He specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Yes, Dr. Douglas Mcwilliams is currently accepting new patients. To schedule an appointment, contact the office directly and schedule an appointment.
*Availability may change. Please contact the office directly to ask about appointments.

Dr. Douglas Mcwilliams practices at 7330 Grace Dr Ste B, Columbia, Maryland, 21044-3392.

To schedule an appointment with Dr. Douglas Mcwilliams, please contact the office at 301-485-6797.

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**Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 14 September, 2026.