Psychologist | Clinical Psychology | 41+ years experience

Rion Barrett Kweller, PH.D.

5500 Main St, Suite 308, Williamsville, New York, 14221-6755

About Rion Barrett Kweller

Rion Barrett Kweller is a psychologist based in Williamsville, New York with 41 years of experience in Clinical Psychology. He completed his graduation in 1985. He accepts the Medicare-approved amount. Patients will not be billed for any more than the Medicare deductible and coinsurance. Active license number of Rion Barrett Kweller is 009373 for Clinical Psychology in New York. His current practice location is 5500 Main St, Suite 308, Williamsville. Patients can contact him at 716-634-1184 or can fax him at 716-634-3207. Rion Barrett Kweller, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1447248026.

Rion Barrett Kweller 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

Rion Barrett Kweller'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 Rion Barrett Kweller
Specialization Clinical Psychology
Credentials PH.D.
Accepts Medicare Assignment Yes
Experience 41+ years
Graduation Year 1985
Gender Male
Practice Address: 5500 Main St, Suite 308
Williamsville, NY - 14221-6755
Fax 716-634-3207

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 1951574409
Enrollment ID I20111029000018
NPI Number1447248026
NPI Enumeration Date: 08 Oct, 2005
NPI Last Update On: 22 Sep, 2011

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 Rion Barrett Kweller are as mentioned below.

License NumberSpecializationStateStatus
009373Clinical Psychology New YorkPrimary
009373General Psychology New YorkSecondary

Mailing Address

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

Rion Barrett Kweller
5500 Main St, Suite 308
Williamsville, NY - 14221-6755

Book an Appointment with Rion Barrett Kweller

To schedule an appointment, contact Rion Barrett Kweller at 5500 Main St, Suite 308, Williamsville, New York or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Rion Barrett Kweller:

Rion Barrett Kweller 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.

Rion Barrett Kweller has approximately 41 years of experience in Clinical Psychology.

Yes, Rion Barrett Kweller accepts Medicare assignment, meaning the provider participates in Medicare and accepts Medicare-approved amounts for eligible services.

Yes, Rion Barrett Kweller 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.

Rion Barrett Kweller practices at 5500 Main St, Suite 308, Williamsville, New York, 14221-6755.

To schedule an appointment with Rion Barrett Kweller, please contact the office at 716-634-1184.

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