Psychologist | General Psychology | 34+ years experience

Stephen R. Knowlton, PHD

466 Commonwealth Ave, Suite 201b, Boston, Massachusetts, 02215-2721

About Stephen R. Knowlton

Stephen R. Knowlton is a psychologist based in Boston, Massachusetts with 34 years of experience in General Psychology. He completed his graduation in 1992. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Stephen R. Knowlton is 6510 for Clinical Psychology in Massachusetts. His current practice location is 466 Commonwealth Ave, Suite 201b, Boston. Patients can contact him at 617-859-5806. Stephen R. Knowlton, PHD, specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1336291004.

Stephen R. Knowlton 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.

Practice Information

Stephen R. Knowlton'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 Stephen R. Knowlton
Specialization General Psychology
Credentials PHD
Accepts Medicare Assignment Yes
Experience 34+ years
Graduation Year 1992
Gender Male
Practice Address: 466 Commonwealth Ave, Suite 201b
Boston, MA - 02215-2721

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 2365541729
Enrollment ID I20070626000238
NPI Number1336291004
NPI Enumeration Date: 16 Jan, 2007
NPI Last Update On: 11 Sep, 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 Stephen R. Knowlton are as mentioned below.

License NumberSpecializationStateStatus
6510Clinical Psychology MassachusettsPrimary
6510General Psychology MassachusettsSecondary

Mailing Address

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

Stephen R. Knowlton
466 Commonwealth Ave, Suite 201b
Boston, MA - 02215-2721
Phone: 617-859-5806

Book an Appointment with Stephen R. Knowlton

To schedule an appointment, contact Stephen R. Knowlton at 466 Commonwealth Ave, Suite 201b, Boston, Massachusetts or call the phone number listed below.

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Frequently Asked Questions

Below are some commonly asked questions about Stephen R. Knowlton:

Stephen R. Knowlton 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.

Stephen R. Knowlton has approximately 34 years of experience in Clinical Psychology.

Yes, Stephen R. Knowlton accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Stephen R. Knowlton 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.

Stephen R. Knowlton practices at 466 Commonwealth Ave, Suite 201b, Boston, Massachusetts, 02215-2721.

To schedule an appointment with Stephen R. Knowlton, please contact the office at 617-859-5806.

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