John Thomassen, Ph.D.

  • Updated 3 months ago
  • 1815 S Clinton Ave #448, Rochester, NY 14618
  • Diagnostic Evaluations
  • Psychologists

About John Thomassen, Ph.D.

John Thomassen, Ph.D., is a practice specializing in diagnostic and forensic evaluations for individuals aged 6 and above. With extensive experience in the assessment and treatment of both mental health disorders and developmental disabilities, Dr. Thomassen offers comprehensive assessments of individuals to provide greater clarity of their strengths, challenges, and DSM-V diagnoses. His data-based reports help inform mental health and educational providers of the relative contribution of underlying mental health or neuro-developmental differences and help clients access services in the community. Additionally, Dr. Thomassen is available for expert witness testimony in legal settings if required.

Services

Age ranges served

6 years and above

Care options

Working hours

Closed

9:00 am - 6:00 pm

  • Monday

    9:00 am - 6:00 pm
  • Tuesday

    9:00 am - 6:00 pm
  • Wednesday

    9:00 am - 6:00 pm
  • Thursday

    9:00 am - 6:00 pm
  • Friday

    9:00 am - 5:00 pm
  • Saturday

    Closed all day
  • Sunday

    Closed all day
  • Local time

    04/01/2025 6:46 pm

Languages

  • English

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Company Management

  • B.A. in Psychology from the State University of New York at Stony Brook in 1979; Ph.D. in Clinical Psychology from the University of Rochester in 1988

Office address

1815 S Clinton Ave #448, Rochester, NY 14618, USA

Information

City:

Rochester,NY

Supported providers:

81

Zip code:

14618

Supported providers:

7

State:

NY

Supported providers:

More details about providers

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