Psychologist | Clinical Psychology | 46+ years experience

Dr. James Brien O'callaghan, PH.D.

4 Main St, New Milford, Connecticut, 06776-2802

About Dr. James Brien O'callaghan

Dr. James Brien O'callaghan is a psychologist based in New Milford, Connecticut with 46 years of experience in Clinical Psychology. He completed his graduation in 1980. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Dr. James Brien O'callaghan is 000101 for Psychology in Connecticut. His current practice location is 4 Main St, New Milford. Patients can contact him at 203-740-2595 or can fax him at 203-740-2287. Dr. James Brien O'callaghan, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1689796690.

Dr. James Brien O'callaghan 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. James Brien O'callaghan'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. James Brien O'callaghan
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 46+ years
Graduation Year 1980
Gender Male
Practice Address: 4 Main St,
New Milford, CT - 06776-2802
Fax 203-740-2287

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 0749325710
Enrollment ID I20100302000241
NPI Number1689796690
NPI Enumeration Date: 03 Apr, 2007
NPI Last Update On: 25 Mar, 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. James Brien O'callaghan are as mentioned below.

License NumberSpecializationStateStatus
000101Psychology ConnecticutPrimary
000930Clinical Psychology ConnecticutSecondary

Other Medical Identifiers

Other professional identifiers associated with Dr. James Brien O'callaghan such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
004074050MedicaidConnecticut

Mailing Address

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

Dr. James Brien O'callaghan
54 Plumtrees Rd,
Bethel, CT - 06801-1645
Phone: 203-743-1633
Fax: 203-791-8300

Book an Appointment with Dr. James Brien O'callaghan

To schedule an appointment, contact Dr. James Brien O'callaghan at 4 Main St, New Milford, Connecticut or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. James Brien O'callaghan:

Dr. James Brien O'callaghan is a psychologist specializing in Psychology. He is specialized in psychological testing and evaluating or assessing patient's personal characteristics, such as intelligence, personality, abilities, interests, aptitudes, and neuropsychological functioning. Accordingly, he performs counseling, psychoanalysis, psychotherapy, hypnosis, biofeedback, and behavior analysis and therapy. He can diagnose and treat mental and emotional disorder or disability, alcoholism and substance abuse, disorders of habit or conduct, as well as of the psychological aspects of physical illness, accident, injury, or disability by psycheducational evaluation, therapy, remediation, and consultation.

Dr. James Brien O'callaghan has approximately 46 years of experience in Psychology.

Yes, Dr. James Brien O'callaghan accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Dr. James Brien O'callaghan 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. James Brien O'callaghan practices at 4 Main St, New Milford, Connecticut, 06776-2802.

To schedule an appointment with Dr. James Brien O'callaghan, please contact the office at 203-740-2595.

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