Dr. Graham Charles Volker is a Santa Ana, California based psychologist who is specialized in Clinical Psychology. Active license number of Dr. Graham Charles Volker is PSY784 for Clinical Psychology in California. His current practice location is 2130 E 4th St, Suite 200, Santa Ana. Patients can reach him at 714-543-5437. Dr. Graham Charles Volker is PHD in Clinical Psychology and his NPI number (Unique professional ID assigned by NPPES) is 1316039571.
Dr. Graham Charles Volker 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.
Complete Profile:
Dr. Graham Charles Volker speciality, credentials, practice address, contact phone number and fax are as below.
Patients can call on the below given phone number for appointment.
| Name: | Dr. Graham Charles Volker |
| Specialization: | Clinical Psychology |
| Gender: | Male |
| Credentials: | PHD |
| Practice Address: | 2130 E 4th St, Suite 200, Santa Ana,
California, 92705-3818 |
| Phone: | 714-543-5437 |
Professional Identification Codes:
NPI number stands for National Provider Identifier which is a unique 10-digit identification number issued to health care providers in the United States by the Centers for Medicare and Medicaid Services (CMS).
NPI details are as mentioned below.
| NPI Number: | 1316039571 |
| NPI Enumeration Date: | 28 Sep, 2006 |
| NPI Last Update On: | 08 Jul, 2007 |
Medical Licenses:
Doctors can have one or more medical licenses for different specialities in the same state or different states. Related medical licenses for Dr. Graham Charles Volker are as mentioned below.
| License Number | Specialization | State | Status | |
| PSY784 | Clinical Psychology | California | Primary | |
Other Medical Identifiers:
Other legacy medical identifiers associated with Dr. Graham Charles Volker such as Medicaid, Medicare PIN, NSC, UPIN etc. are mentioned as below.
| Identifier | Type | State | Issuer |
| PSY7844 | Other | California | PSYCHOLOGIST LICENSE |
Business Mailing Address:
Business mailing address can be used for mailing purpose only, for visiting purpose patients need to refer above mentioned address.
| Address: | Dr. Graham Charles Volker
2130 E 4th St, Suite 200
Santa Ana, California |
| Zip: | 92705-3818 |
| Phone Number: | 714-543-5437 |
Patients can reach Dr. Graham Charles Volker at
2130 E 4th St, Suite 200, Santa Ana, California or can
call to book an appointment on 714-543-5437.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.