Psychologist | Clinical Psychology

Dr. William Joseph O'connell, PSY.D.

2288 Blue Water Blvd, Odenton, Maryland, 21113-3309

About Dr. William Joseph O'connell

Dr. William Joseph O'connell is a psychologist based in Odenton, Maryland who is specialized in Clinical Psychology. Active license number of Dr. William Joseph O'connell is 03152 for Clinical Psychology in Maryland. His current practice location is 2288 Blue Water Blvd, Odenton. Patients can contact him at 410-941-7272. Dr. William Joseph O'connell, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1669309696.

Dr. William Joseph O'connell 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Practice Information

Dr. William Joseph O'connell'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. William Joseph O'connell
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 2288 Blue Water Blvd,
Odenton, MD - 21113-3309

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 Number1669309696
NPI Enumeration Date: 05 May, 2026
NPI Last Update On: 05 May, 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. William Joseph O'connell are as mentioned below.

License NumberSpecializationStateStatus
03152Clinical Psychology MarylandPrimary

Mailing Address

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

Dr. William Joseph O'connell
12216 Ambleside Dr,
Potomac, MD - 20854-2112
Phone: 410-941-7272

Book an Appointment with Dr. William Joseph O'connell

To schedule an appointment, contact Dr. William Joseph O'connell at 2288 Blue Water Blvd, Odenton, Maryland or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Dr. William Joseph O'connell:

Dr. William Joseph O'connell is a psychologist specializing in Clinical Psychology. He 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). His main focus is on diagnosing and treating mental, emotional, and behavioral disorders. Some of the common disorders that he can treat are learning disabilities, substance abuse, depression, anxiety, and eating disorders.

Yes, Dr. William Joseph O'connell 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. William Joseph O'connell practices at 2288 Blue Water Blvd, Odenton, Maryland, 21113-3309.

To schedule an appointment with Dr. William Joseph O'connell, please contact the office at 410-941-7272.

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