Psychologist | Clinical Psychology

Dr. Sumner Jay Sydeman, PH.D.

617 N Humphreys St Ste 101, Flagstaff, Arizona, 86001-3063

About Dr. Sumner Jay Sydeman

Dr. Sumner Jay Sydeman is a psychologist based in Flagstaff, Arizona who is specialized in Clinical Psychology. Active license number of Dr. Sumner Jay Sydeman is 3538 for Clinical Psychology in Arizona. His current practice location is 617 N Humphreys St Ste 101, Flagstaff. Patients can contact him at 928-779-3783 or can fax him at 928-773-1150. Dr. Sumner Jay Sydeman, PH.D., specializes in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1376755843.

Dr. Sumner Jay Sydeman 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. Sumner Jay Sydeman'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. Sumner Jay Sydeman
Specialization Clinical Psychology
Credentials PH.D.
Gender Male
Practice Address: 617 N Humphreys St Ste 101,
Flagstaff, AZ - 86001-3063
Fax 928-773-1150

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 Number1376755843
NPI Enumeration Date: 04 May, 2007
NPI Last Update On: 28 Apr, 2008

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. Sumner Jay Sydeman are as mentioned below.

License NumberSpecializationStateStatus
3538Clinical Psychology ArizonaPrimary

Mailing Address

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

Dr. Sumner Jay Sydeman
617 N Humphreys St Ste 101,
Flagstaff, AZ - 86001-3063
Phone: 928-779-3783
Fax: 928-773-1150

Book an Appointment with Dr. Sumner Jay Sydeman

To schedule an appointment, contact Dr. Sumner Jay Sydeman at 617 N Humphreys St Ste 101, Flagstaff, Arizona or call the phone number listed below.

Book an Appointment

Frequently Asked Questions

Below are some commonly asked questions about Dr. Sumner Jay Sydeman:

Dr. Sumner Jay Sydeman 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. Sumner Jay Sydeman 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. Sumner Jay Sydeman practices at 617 N Humphreys St Ste 101, Flagstaff, Arizona, 86001-3063.

To schedule an appointment with Dr. Sumner Jay Sydeman, please contact the office at 928-779-3783.

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