Psychiatrist

William Theodore Olsen Iii, MD

11 Caldwell Rd, Augusta, Maine, 04330-5739

About William Theodore Olsen Iii

William Theodore Olsen Iii is a psychiatrist based in Augusta, Maine who is specialized in Psychiatry. Active license number of William Theodore Olsen Iii is MD30597 for Psychiatry in Maine. His current practice location is 11 Caldwell Rd, Augusta. Patients can contact him at 207-213-2037. William Theodore Olsen Iii, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1285210054.

William Theodore Olsen Iii 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

William Theodore Olsen Iii'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 William Theodore Olsen Iii
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 11 Caldwell Rd,
Augusta, ME - 04330-5739

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 Number1285210054
NPI Enumeration Date: 22 Mar, 2021
NPI Last Update On: 16 Aug, 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 William Theodore Olsen Iii are as mentioned below.

License NumberSpecializationStateStatus
MD30597Psychiatry MainePrimary

Mailing Address

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

William Theodore Olsen Iii
11 Caldwell Rd,
Augusta, ME - 04330-5739
Phone: 207-213-2037

Book an Appointment with William Theodore Olsen Iii

To schedule an appointment, contact William Theodore Olsen Iii at 11 Caldwell Rd, Augusta, Maine or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about William Theodore Olsen Iii:

William Theodore Olsen Iii 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, William Theodore Olsen Iii 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.

William Theodore Olsen Iii practices at 11 Caldwell Rd, Augusta, Maine, 04330-5739.

To schedule an appointment with William Theodore Olsen Iii, please contact the office at 207-213-2037.

Reviews & Feedback

Have you visited William Theodore Olsen Iii? Share your experience to help others looking for a psychiatrist in Augusta, ME.

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