Psychologist | Clinical Psychology

Dr. Mark Peterson, PSY.D.

8911 Lakewood Dr # 26a, Windsor, California, 95492-7856

About Dr. Mark Peterson

Dr. Mark Peterson is a psychologist based in Windsor, California who is specialized in Clinical Psychology. Active license number of Dr. Mark Peterson is PSB94026068 for Clinical Psychology in California. His current practice location is 8911 Lakewood Dr # 26a, Windsor. Patients can contact him at 916-798-7072. Dr. Mark Peterson, PSY.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1417600511.

Dr. Mark Peterson 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 Peterson'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 Peterson
Specialization Clinical Psychology
Credentials PSY.D.
Gender Male
Practice Address: 8911 Lakewood Dr # 26a,
Windsor, CA - 95492-7856

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 Number1417600511
NPI Enumeration Date: 28 Jan, 2022
NPI Last Update On: 28 Jan, 2022

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 Peterson are as mentioned below.

License NumberSpecializationStateStatus
PSB94026068Clinical Psychology CaliforniaPrimary

Other Medical Identifiers

Other professional identifiers associated with Dr. Mark Peterson such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
IdentifierTypeStateIssuer
18611570000MedicaidCalifornia

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 Peterson
9033 Acorn Ridge Cir,
Elk Grove, CA - 95758-5413
Phone: 916-798-7072

Book an Appointment with Dr. Mark Peterson

To schedule an appointment, contact Dr. Mark Peterson at 8911 Lakewood Dr # 26a, Windsor, California or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

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

Dr. Mark Peterson 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 Peterson 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 Peterson practices at 8911 Lakewood Dr # 26a, Windsor, California, 95492-7856.

To schedule an appointment with Dr. Mark Peterson, please contact the office at 916-798-7072.

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