Psychiatrist | Child & Adolescent Psychiatry

David Walter, D.O.

25 Middle Street, Portland, Maine, 04101

About David Walter

David Walter is a psychiatrist based in Portland, Maine who is specialized in Child & Adolescent Psychiatry. Active license number of David Walter is DO1537 for Child & Adolescent Psychiatry in Maine. His current practice location is 25 Middle Street, Portland. Patients can contact him at 207-321-8300. David Walter, D.O., specializes in Child & Adolescent Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1487868394.

David Walter has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Practice Information

David Walter'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 David Walter
Specialization Child & Adolescent Psychiatry
Credentials D.O.
Gender Male
Practice Address: 25 Middle Street,
Portland, ME - 04101

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 Number1487868394
NPI Enumeration Date: 09 May, 2007
NPI Last Update On: 08 Oct, 2025

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 David Walter are as mentioned below.

License NumberSpecializationStateStatus
DO1537Child & Adolescent Psychiatry MainePrimary
1537Child & Adolescent Psychiatry MaineSecondary

Other Medical Identifiers

Other professional identifiers associated with David Walter such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
310050099MedicaidMaine

Mailing Address

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

David Walter
25 Middle Street,
Portland, ME - 04101
Phone: 207-829-2966

Book an Appointment with David Walter

To schedule an appointment, contact David Walter at 25 Middle Street, Portland, Maine or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about David Walter:

David Walter is a psychiatrist specializing in Child & Adolescent Psychiatry. He has done additional skills and training in the diagnosis and treatment of developmental, behavioral, emotional, and mental disorders of childhood and adolescence.

Yes, David Walter 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.

David Walter practices at 25 Middle Street, Portland, Maine, 04101.

To schedule an appointment with David Walter, please contact the office at 207-321-8300.

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