Psychologist | Clinical Psychology

Johanna Nielsen, PHD

801 Main St Ste 7, Concord, Massachusetts, 01742-3319

About Johanna Nielsen

Johanna Nielsen is a psychologist based in Concord, Massachusetts who is specialized in Clinical Psychology. Active license number of Johanna Nielsen is PSY10000430 for Clinical Psychology in Massachusetts. Her current practice location is 801 Main St Ste 7, Concord. Patients can contact her at 617-539-6762. Johanna Nielsen, PHD, specializes in Clinical Psychology and her NPI number (Unique professional ID assigned by NPPES) is 1861231847.

Johanna Nielsen is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Johanna Nielsen'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 Johanna Nielsen
Specialization Clinical Psychology
Credentials PHD
Gender Female
Practice Address: 801 Main St Ste 7,
Concord, MA - 01742-3319

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 Number1861231847
NPI Enumeration Date: 21 May, 2024
NPI Last Update On: 21 May, 2024

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 Johanna Nielsen are as mentioned below.

License NumberSpecializationStateStatus
PSY10000430Clinical Psychology MassachusettsPrimary

Mailing Address

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

Johanna Nielsen
801 Main St Ste 7,
Concord, MA - 01742-3319
Phone: 617-539-6762

Book an Appointment with Johanna Nielsen

To schedule an appointment, contact Johanna Nielsen at 801 Main St Ste 7, Concord, Massachusetts or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Johanna Nielsen:

Johanna Nielsen is a psychologist specializing in Clinical Psychology. She is a mental health professional with highly specialized training in the diagnosis and psychological treatment of mental, behavioral and emotional illnesses, including obsessive-compulsive disorder (OCD). Her main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that she can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Johanna Nielsen 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.

Johanna Nielsen practices at 801 Main St Ste 7, Concord, Massachusetts, 01742-3319.

To schedule an appointment with Johanna Nielsen, please contact the office at 617-539-6762.

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