Dr. William Edward Callahan Jr.
MD | Psychiatry
120 Vantis, Suite 540, Aliso Viejo
California, 92656-2676
949-916-5656 949-916-5657
Maps & DirectionsDr. William Edward Callahan Jr. is a Aliso Viejo, California based psychiatrist who is specialized in Psychiatry. Active license number of Dr. William Edward Callahan Jr. is G62750 for Psychiatry in California. His current practice location is 120 Vantis, Suite 540, Aliso Viejo. Patients can reach him at 949-916-5656 or can fax him at 949-916-5657. Dr. William Edward Callahan Jr. is MD in Psychiatry and his NPI number (Unique professional ID assigned by NPPES) is 1538130513.
Dr. William Edward Callahan Jr. specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
Complete Profile:
Dr. William Edward Callahan Jr. 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. William Edward Callahan Jr. |
| Specialization: | Psychiatry |
| Gender: | Male |
| Credentials: | MD |
| Practice Address: | 120 Vantis, Suite 540, Aliso Viejo,
California, 92656-2676 |
| Phone: | 949-916-5656 |
| Fax: | 949-916-5657 |
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: | 1538130513 |
| NPI Enumeration Date: | 30 Jan, 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. William Edward Callahan Jr. are as mentioned below.
| License Number | Specialization | State | Status | |
| G62750 | Psychiatry | California | Primary | |
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. William Edward Callahan Jr.
120 Vantis, Suite 540
Aliso Viejo, California |
| Zip: | 92656-2676 |
| Phone Number: | 949-916-5656 |
| Fax Number: | 949-916-5657 |
Patients can reach Dr. William Edward Callahan Jr. at
120 Vantis, Suite 540, Aliso Viejo, California or can
call to book an appointment on 949-916-5656.
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Data of this site is collected from Medicare & Medicaid Services (CMS) and NPPES. Last updated on 08 December, 2025.