Psychologist | Clinical Psychology

Dr. Mark Onusko, PSY.D.

2085 Wyandotte Ave, Lakewood, Ohio, 44107-6135

About Dr. Mark Onusko

Dr. Mark Onusko is a psychologist based in Lakewood, Ohio who is specialized in Clinical Psychology. Active license number of Dr. Mark Onusko is 7082 for Clinical Psychology in Ohio. His current practice location is 2085 Wyandotte Ave, Lakewood. Patients can contact him at 440-454-3385. Dr. Mark Onusko, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1710390299.

Dr. Mark Onusko 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. Mark Onusko'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. Mark Onusko
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 2085 Wyandotte Ave,
Lakewood, OH - 44107-6135

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 Number1710390299
NPI Enumeration Date: 03 Jun, 2014
NPI Last Update On: 03 Jun, 2014

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. Mark Onusko are as mentioned below.

License NumberSpecializationStateStatus
7082Clinical Psychology OhioPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Mark Onusko such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
7082OtherOhioOHIO PSYCHOLOGIST LICENSE

Mailing Address

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

Dr. Mark Onusko
2085 Wyandotte Ave,
Lakewood, OH - 44107-6135
Phone: 440-454-3385

Book an Appointment with Dr. Mark Onusko

To schedule an appointment, contact Dr. Mark Onusko at 2085 Wyandotte Ave, Lakewood, Ohio or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Mark Onusko:

Dr. Mark Onusko 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. Mark Onusko 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. Mark Onusko practices at 2085 Wyandotte Ave, Lakewood, Ohio, 44107-6135.

To schedule an appointment with Dr. Mark Onusko, please contact the office at 440-454-3385.

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