Psychiatrist | 39+ years experience

John Tweed, MD

932 Congress St, Portland, Maine, 04102-3032

About John Tweed

John Tweed is a psychiatrist based in Portland, Maine with 39 years of experience in Psychiatry. He completed his graduation from Duke University School Of Medicine in 1987. He is also affiliated with hospitals like He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of John Tweed is 015119 for Psychiatry in Maine. His current practice location is 932 Congress St, Portland. Patients can contact him at 207-662-3097 or can fax him at 207-842-6556. John Tweed, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1992802003.

John Tweed 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

John Tweed'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 John Tweed
Specialization Psychiatry
Credentials MD
Accepts Medicare Assignment Yes
Experience 39+ years
Medical School Attended Duke University School Of Medicine
Graduation Year 1987
Gender Male
Practice Address: 932 Congress St,
Portland, ME - 04102-3032
Fax 207-842-6556

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.

PAC ID 1456499615
Enrollment ID I20220125000058
NPI Number1992802003
NPI Enumeration Date: 20 Sep, 2006
NPI Last Update On: 03 Mar, 2020

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 John Tweed are as mentioned below.

License NumberSpecializationStateStatus
015119Psychiatry MainePrimary

Hospital Affiliation

Doctors are affiliated to many hospitals whom they worked with in the past or are presently working with. One doctor can be affiliated to four to five hospitals at a time.
Hospital Name (CCN) StateHospital Type
(200039)Augusta, MEAcute Care Hospital

Group Practice

Group practices are practice of medicine by a group of healthcare professionals who share their premises and other resources. Following list states all the group name with which John Tweed is associated with along with the number of members in that group.
Organization Name (Group PAC ID) Members
Mainegeneral Medical Center (1254245715)455

Mailing Address

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

John Tweed
932 Congress St,
Portland, ME - 04102-3032
Phone: 207-662-3097
Fax: 207-842-6556

Book an Appointment with John Tweed

To schedule an appointment, contact John Tweed at 932 Congress St, Portland, Maine or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about John Tweed:

John Tweed 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.

John Tweed completed his education (MD) from Duke University School Of Medicine in 1987.

John Tweed has approximately 39 years of experience in Psychiatry.

Yes, John Tweed accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, John Tweed 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.

John Tweed practices at 932 Congress St, Portland, Maine, 04102-3032.

To schedule an appointment with John Tweed, please contact the office at 207-662-3097.

Reviews & Feedback

Have you visited John Tweed? Share your experience to help others looking for a psychiatrist in Portland, ME.

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