Psychologist | General Psychology

Dr. Nathanial Ian Chapman, PH.D.

2100 Napa Vallejo Hwy, Napa, California, 94558-6293

About Dr. Nathanial Ian Chapman

Dr. Nathanial Ian Chapman is a psychologist based in Napa, California who is specialized in General Psychology. Active license number of Dr. Nathanial Ian Chapman is PSY21835 for General Psychology in California. His current practice location is 2100 Napa Vallejo Hwy, Napa. Patients can contact him at 707-253-5021. Dr. Nathanial Ian Chapman, PH.D., specializes in General Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1477885010.

Dr. Nathanial Ian Chapman 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

Dr. Nathanial Ian Chapman'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. Nathanial Ian Chapman
Specialization General Psychology
Credentials PH.D.
Gender Male
Practice Address: 2100 Napa Vallejo Hwy,
Napa, CA - 94558-6293

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 Number1477885010
NPI Enumeration Date: 08 Feb, 2010
NPI Last Update On: 28 Mar, 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. Nathanial Ian Chapman are as mentioned below.

License NumberSpecializationStateStatus
PSY21835General Psychology CaliforniaPrimary

Mailing Address

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

Dr. Nathanial Ian Chapman
2100 Napa Vallejo Hwy,
Napa, CA - 94558-6293
Phone: 707-253-5021

Book an Appointment with Dr. Nathanial Ian Chapman

To schedule an appointment, contact Dr. Nathanial Ian Chapman at 2100 Napa Vallejo Hwy, Napa, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Nathanial Ian Chapman:

Dr. Nathanial Ian Chapman is a psychologist specializing in General 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.

Yes, Dr. Nathanial Ian Chapman 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. Nathanial Ian Chapman practices at 2100 Napa Vallejo Hwy, Napa, California, 94558-6293.

To schedule an appointment with Dr. Nathanial Ian Chapman, please contact the office at 707-253-5021.

Reviews & Feedback

Have you visited Dr. Nathanial Ian Chapman? Share your experience to help others looking for a psychologist in Napa, CA.

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