Psychiatrist

Dr. Nicholas Harper Caggiano, MD

333 Borthwick Ave, Portsmouth, New Hampshire, 03801-7128

About Dr. Nicholas Harper Caggiano

Dr. Nicholas Harper Caggiano is a psychiatrist based in Portsmouth, New Hampshire who is specialized in Psychiatry. Active license number of Dr. Nicholas Harper Caggiano is 1021827 for Psychiatry in Massachusetts. His current practice location is 333 Borthwick Ave, Portsmouth. Patients can contact him at 603-570-3119. Dr. Nicholas Harper Caggiano, MD, specializes in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1548901564.

Dr. Nicholas Harper Caggiano 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. Nicholas Harper Caggiano'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. Nicholas Harper Caggiano
Specialization Psychiatry
Credentials MD
Gender Male
Practice Address: 333 Borthwick Ave,
Portsmouth, NH - 03801-7128

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 Number1548901564
NPI Enumeration Date: 05 Apr, 2022
NPI Last Update On: 10 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. Nicholas Harper Caggiano are as mentioned below.

License NumberSpecializationStateStatus
1021827Psychiatry MassachusettsPrimary

Mailing Address

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

Dr. Nicholas Harper Caggiano
333 Borthwick Ave,
Portsmouth, NH - 03801-7128

Book an Appointment with Dr. Nicholas Harper Caggiano

To schedule an appointment, contact Dr. Nicholas Harper Caggiano at 333 Borthwick Ave, Portsmouth, New Hampshire or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Nicholas Harper Caggiano:

Dr. Nicholas Harper Caggiano 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. Nicholas Harper Caggiano 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. Nicholas Harper Caggiano practices at 333 Borthwick Ave, Portsmouth, New Hampshire, 03801-7128.

To schedule an appointment with Dr. Nicholas Harper Caggiano, please contact the office at 603-570-3119.

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